Best Email Testing Tools

Finding the best Email Testing Software for your business is now faster and easier! Compare prices, reviews, features, and get a free consultation to find the perfect software.

Live Agent1
Live Agent2
Live Agent3
Get Free Demo

Connect With Your Personal Advisor

List of 20 Best Email Testing Tools

Showing 1 - 25 of 26 products

Tools by Litmus Software

Litmus is a mail testing tool suitable for a variety of email clients, including mobile, web-based, Outlook, and cross-browser. Using HTML code, businesses can test the emails in Litmus. Using Litmus, users can also verify the web pages. To help marketers maximize the return on their email marketing investments, Litmus offers the industry's top email customization, optimization, and collaboration tools. Learn more about Litmus

Tools by Email on Acid

Email on Acid is a cloud-based platform for tracking emails. This email testing software enables users to test email content and is primarily targeted at small businesses, large agencies, and independent contractors. Campaign pre-checking, email statistics, email editing, spam testing, email templates, and email testing are some of Email on Acid's useful features. Learn more about Email on Acid

Your email infrastructure in one place - test, sen

Mailtrap offers some of the best email client testing tools. Customers can manage their email infrastructure with Mailtrap, an email delivery platform, from a single location. This software provides a centralized location to handle all email-related needs, including testing, sending, and detailed performance monitoring. This platform is quite suitable for small and medium-sized businesses. Learn more about Mailtrap

Tools by MailChip

MailChimp is an email testing platform. With the help of Mailchimp, users can handle and communicate with their customers, clients, and other leads. Their marketing strategy places a strong emphasis on good contact management practices, well-produced campaigns, and efficient data analysis. The program allows users to track customer engagements and disseminate newsletters through a range of social networks. Read MailChimp Reviews

Most Reviewed

Tools by ZeroBounce

ZeroBounce is an online email validation tool created to help businesses identify spam domains, eliminate invalid email addresses from their email lists, reduce bounces, and increase deliverability. It offers one of the best email testing tools. Companies won't have to pay for more email verifications than required because of usage-based pricing. The email validator can identify and delete email abuse and spam traps from email lists. Learn more about ZeroBounce

Email Validation & Email Finder Service

Clearout is an email inbox testing platform. By extending the business’s reach, lowering hard bounces, and increasing deliverability rates through real-time and bulk email verification and email validation, the Clearout tool makes sure that the user's emails reach the intended recipients. Businesses can effectively reach every lead and increase their sales potential using Clearout. Read Clearout Reviews

Email and SMS testing and automation API platform

Businesses may generate actual email addresses in code using the MailSlurp email and SMS API service. Businesses can also send and receive Javascript tests, apps, emails and attachments. Additionally, using email testing tools, users can develop phone numbers and retrieve incoming SMS. They can send and receive emails from tests, code, or an online dashboard after creating genuine email addresses on demand. Learn more about MailSlurp

Omnichannel marketing automation platform

The all-in-one email marketing and SMS platform from Omnisend automates marketing efforts throughout the full customer journey, ensuring that the right people receive the correct information at the right time. This email testing software offers popups and landing pages to collect and expand subscriber lists. With pre-built automation like welcome, abandoned cart procedures, yearly birthday mailings, and more, businesses can increase conversions. Read Omnisend Reviews

Tools by Wildbit LLC

A centralized platform called Postmark, an email template testing tool, enables businesses to manage, monitor, and streamline email delivery. Using the dashboard's actionable analytics, professionals may create administrative reports and keep track of the overall number of emails sent, opened, or bounced. Users can send via their SMTP interface, ready-made libraries, or API. Learn more about Postmark

Tools by Magnet Brains Software Technology Pvt. Ltd.

Pabbly email marketing is an email marketing software and email testing tool that can help businesses expand their workflow. Pabbly serves as a one-stop solution for business email campaign requirements. It is an email marketing solution that provides users the freedom to build their emails and distribute them to potential clients. Learn more about Pabbly Email Marketing

Tools by MailUp

With the capacity to send unlimited emails each month, MailUp is an email and SMS delivery solution that gives users the flexibility to send and customize their own promotional, newsletter, transactional, and SMS messages. This email template testing tool also assists users in automating email & SMS marketing campaigns. Users can send emails using SMTP+ from a web application, an online store, or a mailbox. Learn more about MailUp

Tools by ReachMail Inc.

ReachMail is a cloud-based email testing and marketing service that gives companies the ability to design, send, and track a variety of email campaigns from a single dashboard. ReachMail offers tools for creating and writing responsive emails that appear consistent and expert on computers and mobile devices. Users can access its drag-and-drop Message Builder and collection of free, editable email templates. Learn more about ReachMail

Tools by Mailgun

Developers and information technology specialists utilize Mailgun, a transactional email testing platform, to send, receive, and track emails using its robust API. It can be used by developers to send transactional emails, track their effectiveness, and improve emails for improved open rates. SMTP on the server is used to send outbound emails using Mailgun, a third-party email provider. Learn more about Mailgun

Tools by Metrics Delivered

With the help of the email verification tool and email testing tool, NeverBounce, businesses, startups, and nonprofits may eliminate duplicate emails, identify dangers, and validate email lists. The most precise, most recent results are obtained by NeverBounce when determining the legitimacy of an email utilizing hybrid verification, which combines accept all detection with real-time verification. Learn more about NeverBounce

Tools by InboxAlly

Email marketers can use InboxAlly, an Email testing software, to prevent their messages from ending up in spam folders. Businesses can instruct email providers to deliver their messages to the Inbox. Their open rates and revenue dramatically rise as a result of this. Additionally, the software is used to warm up IPs and domains. Key features include Send Time Optimization, Email Scheduling, Click Map, Real-time Email Editor, and List Segmentation. Read InboxAlly Reviews

Tools by GetResponse

GetResponse is a cloud-based application for email testing, website creation, email marketing, and conversion funnel management. It is intended for web marketers, marketing directors, business owners, and mid to large-sized organizations. GetResponse offers a wide range of services and products that are useful to all kinds of businesses. It provides CRM connectors, landing pages, webinars, marketing automation, and email marketing campaigns. Read GetResponse Reviews

Tools by Moosend

Moosend offers one of the best email testing tools. It offers the most innovative way to deliver email marketing and automation experiences that genuinely boost sales. Moosend is a powerful email marketing automation platform with an award-winning all-in-one user interface that will help users grow their businesses right now. It offers advanced automation flows, top-notch features, and lead generation capabilities. Read Moosend Reviews

Extremely Powerful Email and SMS Marketing Softwar

For moderate and bigger companies looking to expand their email campaigns, Campaigner is the ideal mail testing tool. It offers useful features like autoresponders and automation workflows. Campaigner can be used by midsize and large enterprises to optimize bespoke features and link with social media. Read Campaigner Reviews

Stripo is all-in-one email design platform

With Stripo's simple, flexible email template generator, users can create great emails with little to no coding knowledge. It offers email testing tools with which users can build emails more quickly, provide drag-and-drop and HTML editors, embedded tools for interaction, and many other capabilities. With the help of Stripo, users and teams from many sectors can quickly create responsive email templates without any HTML knowledge. Learn more about Stripo

Tools by SMTP2GO

A cloud-based email template testing tool called SMTP2GO aids email delivery and tracking. Its features include real-time analytics, weekly summaries, bounce/spam tracking, live chat, setup assistance, feedback loops, blacklist monitoring, and spam trap detection. A straightforward but efficient admin area makes it simple to set up and utilize. Read SMTP2GO Reviews

Brevo is a web-based email marketing solution appropriate for all sizes of businesses. This email testing software includes functionality for marketing automation, email campaigns, transactional emails, and SMS communications. With the use of design tools, Brevo users may produce emails that are mobile-friendly. Additionally, users can pre-test the deliverability of messages before delivering campaigns, and plan and automate marketing campaigns. Read Brevo Reviews

email testing tools guide

Email testing is a powerful tool for businesses to ensure that their marketing, transactional and bulk email campaigns are delivered, visually appealing and engaging. Using it, you can find any issues with your email before it reaches your audience.

In this article, we explore the best email testing tools, their benefits, common challenges and other important aspects. 

What Is an Email Testing Tool?

An email testing tool is a service or platform designed to test the emails of yet-to-be-sent campaigns in terms of their layout, deliverability and other aspects by imitating their sending to users. 

Usually, you can use this type of tool to see whether the design of an email and its content display nicely on the recipient’s end regardless of their device, email client or OS. You can also verify and validate your emails, check them for spam triggers and overall, test the deliverability of your emails.

Benefits You Get From Email Testing Tools

There are numerous benefits you can get from using email testing solutions. Here are some of the most important ones.

benefits of email testing tools

  1. Improved Deliverability

Since email testing platforms allow assessing your campaign’s deliverability, you can use them to spot any factors that can decrease it. Besides, the tools can provide recommendations on how you optimize your campaign to increase its deliverability.

  1. A/B Testing and Optimization

Running A/B testing with email testing tools allows you to compare the performance of multiple versions of an email and find the best performing one to target your audience with. The versions can have a different subject line, content, CTA or some other element but match in the rest of the email body.

  1. Time and Resource Savings

Integrating online email testing tools into your testing workflow saves time and resources like labor and decision-making potential. While you may spend more time on testing, you’ll be then able to redirect your resources to other tasks and avoid potential losses caused by running non-tested campaigns.

  1. Insights and Analytics

Reporting and analytics give you a deep insight into your email delivery path. You can see how they are delivered to various email service providers and get immediate feedback on email authentication success.

  1. Collaboration and Feedback

The tools can also allow in-app team collaboration, enabling timely and easy email design and content inspecting, debugging, and approval. This way, selected team members can test an email and provide suggestions on improving it or fixing any issues without switching back and forth between applications.

  1. Spam Trigger Identification

Even unconsciously, you can create emails that trigger spam filters and reduce deliverability. But testing tools help identify whether an email may potentially and in the spam folder, like due to overuse of certain words or HTML issues.

  1. Enhanced Email Rendering

The tools also enable testing your emails’ display across many screens and systems. Thus, you can see how your email will render on different email clients and devices to ensure all the media and formatting look just like you intended. 

  1. Improving Engagement Rates

Testing tools give you access to a lot of data on your emails, like metrics and readers’ impressions. This allows you to find the types of campaigns that resonate with your audience most and use them to boost subscriber engagement.

As you can see, email testing software benefits your email marketing efforts. Besides, it positively affects your team’s productivity and collaboration.

Different Types of Email Testing Tools

There are various types of mail testing tools that serve different purposes. Let’s discuss some tool type examples.

types of email testing tools

  1. Email Rendering Tools

Rendering tools allow you to see how your emails look across different email clients, devices and operating systems. So you can identify any design, image or consistency issues early on and fix them before sending your campaign.

  1. A/B Testing or Split Testing Tools

With A/B testing tools, you can test different versions of your campaigns. Then, you can determine and run the email version with the highest open, click-through or conversion rates.

  1. Email Deliverability Testing Tool

Email deliverability testing tools determine how likely your emails will reach recipients’ inboxes. The tool analyzes your sender's reputation, email contents, authentication and other aspects to spot issues that could affect your email deliverability.

  1. Spam Testing Tools

Spam testing tools determine potential spam filter triggers in your emails so that you can eliminate them. Thus, the tool can suggest optimizing your email’s content, subject lines and other aspects of your campaign.

  1. Email Analytics and Reporting Tools

Email analytics and reporting tools gather data on various metrics, like conversion and bounce rates. They also determine trends across your campaigns, helping you make informed decisions on optimizing your strategy.

  1. Automated Email Testing Tools

Automated mail testing tools can automatically perform A/B tests, test email subject lines and contents, including headers, graphics, attachments and links, and verify email rendering. With automation technologies, you may save time on completing repetitive activities.

  1. Link Tracking or Click-Through Rate Testing Tools

Link tracking software assesses user behavior depending on link performance in your emails. It may also provide click-through and conversion data to help you improve email campaign engagement.

These are some of the mail testing tool types you can come across. You may also need a more comprehensive all-in-one solution, but these are best for meeting particular marketing goals.

Essential Features of Email Testing Tools

Popular email testing tools are all unique in terms of the capabilities they provide. But there are also some main features most of them share — here they are.

features of email testing tools

  1. Email Verification

Email verification is a feature that verifies real and active recipients in your mailing list. Popular email verification tools help detect and remove inactive contacts, lowering bounce rates and improving the overall quality of your email list.

  1. Email Editor and Proofreader

The in-built email editor and proofreader allow you to create and update emails along with the testing. It provides a user-friendly interface with formatting capabilities, spell-checking and grammatical reviews to ensure error-free emails.

  1. Email Integration

Integrations allow you to easily import email campaigns, mailing lists and other relevant data into your tool. Also, your engineering team can access emails to integrate them into developer environment for further testing.

  1. Spam Testing

The spam testing feature analyzes the content and structure of your email to identify potential spam filter triggers. It provides tips and feedback on enhancing your emails so that they pass spam filters and reach the recipient's mailbox.

  1. HTML and Image Validation

This feature verifies the HTML code and looks for any compatibility or error issues that may influence the look of your email. It also validates image URLs to ensure they are relevant and linked properly inside the email.

  1. A/B Testing

A/B testing allows you to test multiple versions of your email campaigns and record their performance. This way, you can compare different email subject lines, contents, layouts or designs to determine the best-performing email versions.

  1. Sender Reputation Scoring

Sender reputation scoring determines the spam complaints, bounce rates and blacklisting you may get. So with this feature, you’ll be able to monitor and improve your sender score and enhance email deliverability.

  1. Analytics and Reporting

Analytics and reporting allow you to get in-depth insights into the engagement, conversions, open rates, click-through rates, bounce rates and other data on your campaigns. You can then use this data to make data-driven optimization decisions.

  1. Problem/Defect Tracking

Some email testing solutions provide defect-tracking capabilities so that you can identify issues in your emails. This allows you to fix the flaws in your campaign, like poor email structure or irresponsive design, before it reaches actual recipients.

  1. Deliverability Optimization

Running A/B testing with email client testing tools allows you to compare multiple email versions. By changing email subject lines, contents, CTAs and other elements, you can find the most well-performing email design to target your audience.

  1. Collaboration and Sharing

Sharing and collaboration capabilities enable team members to work on email campaigns right in the tool. They facilitate collaboration and approval processes by allowing you to share, assess and provide feedback on email drafts without switching apps.

  1. Test Automation

Automation features allow automating testing activities like spam, A/B and render testing. By performing these tests automatically, you can instead focus on evaluating the findings and working on your email marketing strategy.

These are the most common features you’ll find in best email testing software. Each of these can benefit your marketing strategy and workflow.

Criteria to Follow to Select the Right Email Testing Tool

While so many tools are available, how do you choose the right one for you? Here are aspects to consider when choosing one of the best email testing tools.

  1. User Interface (UI)

Check the tool's user interface to ensure it's easy to use, intuitive and offers a smooth testing experience. The tool's features and functions are easier to access when the interface is organized well.

  1. Deliverability Testing

Determine whether the tool has capabilities for email deliverability testing. To be effective in keeping your deliverability rate high, the tool has to provide insights into email authentication, spam filtering and sender score.

  1. Integrations and Compatibility

Make sure the tool has various packages and libraries for different coding languages so that it can be integrated into developer environments. Also, investigate the tool’s compatibility with third-party services you’ll likely need to use.

  1. Testing Automation

Check whether the tool supports automating different aspects of email testing so that you can minimize doing repetitive tasks manually. This includes scheduling tests, running A/B testing, automating rendering and testing for spam, all automatically.

  1. Email Rendering

Look for tools that allow for extensive testing of email rendering across many email clients, devices and screen sizes. You should be able to see a preview of how your emails will look to recipients to create a positive user experience.

  1. Spam and Security Testing

The tool you choose should support spam and security testing. It’s supposed to assist you in finding potential triggers for spam filters in your emails and offer suggestions on what changes to make to the email to enhance deliverability. 

  1. Customer Support and Documentation

Look for documentation and resources on how to use the tool, like user guides or knowledge bases. Available guidance on tool use and best practices will ensure that you’ll get prompt help in case of any issues down the road.

  1. Scalability

Consider email testing software's opportunities for scaling to test more as your business grows. Ensure that the tool can handle more testing without losses in performance or accuracy for eventual email infrastructure scaling or if your email marketing needs change over time.

  1. Value for Money

Look at the tool's pricing structure to see whether its features are worth the cost. By comparing different tools in terms of their benefit-to-cost ratio, you'll find the tool that will perfectly match your needs and budget.

  1. Feedback and Reputation

Look for feedback from industry professionals or dig for reviews from other users on Reddit or Twitter. Try to weigh the pros and cons others find about the tool to evaluate its effectiveness for your business.

  1. Customer Support

Consider the level of customer service provided by the tool manufacturer. Check what and how many channels of support they offer and how quickly they respond to see the level of support you’ll get if you need it when working with the tool.

These criteria cover most of what you’ll likely need from an email testing solution. But of course, consider your project’s particular goals and needs in the first place.

Top 5 Email Testing Tools

Free Trial
Starting Price

Mailtrap Email Testing

14 Days




7 Days

Yes $99/mo


14 Days




30 Days



Email on Acid

7 Days



There are a lot of great testing tools for emails out there, but some stand out with their benefit-to-cost ratio. So here are our top 5 best email testing tools for you to consider.

1. Mailtrap Email Testing

mailtrap email testing dashboard

Mailtrap Email Testing is a safe environment for inspecting and debugging emails in staging, dev and QA environments. With it comes no risk of spamming users with testing emails, making it a great choice for devs, QAs and even marketers and managers in charge of email testing.

The integration of this testing solution with your app takes just a few clicks and about 5 minutes. And once complete, you can manage access to your inboxes for colleagues or clients or even send selected test emails to whitelisted real recipients.

Two integration options are available — adding Mailtrap Email Testing as an SMTP server or integrating the testing API using an email sending configuration available in 20+ code samples.

Key Features

  • HTML or RAW format preview
  • HTML/CSS check
  • Spam score check
  • Bcc and email headers testing
  • Automatic and manual forwarding to real inboxes
  • Multiple inboxes for different projects and stages?


  • The tool offers a great choice of pricing plans.
  • It allows automating test flows and scenarios with flexible API.
  • Individual testing environment is available for each account.
  • You get well-documented API.
  • You can send testing emails directly from your CRM or email sending service.


  • There are no A/B testing capabilities available.
  • It’s not designed to deliver emails to real email addresses.


  • Free plan
  • Individual plan — $14.99/month
  • Team plan — $34.99/month
  • Business plan — $64.99/month
  • Premium plan — $129.99/month
  • Enterprise plan — $399.99/month

2. Litmus

litmus email testing dashboard

Litmus is a popular email testing platform that offers a comprehensive suite of features for email testing. With Litmus, you can quickly test email rendering, assess spam triggers, conduct A/B tests, collaborate with team members and gain valuable analytics insights to optimize your campaigns.

Key Features

  • Email rendering testing across 90+ email clients and devices
  • Spam testing and deliverability insights
  • A/B testing for subject line variation and email content
  • Collaboration and sharing features for team members
  • Advanced analytics and reporting


  • This tool offers extensive email rendering testing capabilities.
  • It enables robust spam and deliverability testing.
  • It has a user-friendly interface.
  • It offers detailed analytics and reporting.


  • This tool has relatively higher pricing compared to some other solutions.
  • It has limited integrations with third-party platforms.


  • Basic plan — $99/month
  • Plus plan — $199/month
  • Enterprise plan — custom pricing

3. Brevo

brevo email testing dashboard

Brevo is an email inbox testing tool designed to simplify the testing process and enhance the effectiveness of your email campaigns. Its user-friendly interface and a range of features allow you to perform email rendering and split tests, evaluate deliverability issues, analyze campaign performance and integrate third-party apps. 

Key Features

  • Spam testing and inbox placement monitoring
  • Split testing for various parts of emails
  • Detailed analytics and reporting
  • Integration with popular ESPs


  • It offers a user-friendly interface and easy-to-use features.
  • You get good value for money.
  • It allows for integration with popular email marketing platforms.


  • The A/B testing options are limited compared to some other tools.
  • The email client coverage is limited.


  • Free plan
  • Starter plan — $25/month
  • Business plan — $65/month
  • Plus plan — custom pricing

4. Mailchimp

mailchimp email testing dashboard

Known for its email marketing capabilities, Mailchimp offers built-in email testing features to ensure that your campaigns resonate with your audience. With Mailchimp, you can preview email rendering across major clients and devices, conduct A/B tests for subject lines and content variations and use automation features.

Key Features

  • Email rendering testing across popular email clients and devices
  • A/B testing for subject lines, send times, and content variations
  • Basic spam filter testing
  • Built-in email editor and automation features
  • Comprehensive analytics and reporting


  • It offers seamless integration with Mailchimp's email marketing platform.
  • It has a convenient drag-and-drop email editor.
  • You get good A/B testing options.
  • There are extensive automation features you can use.


  • The tool offers limited rendering and spam testing capabilities compared to other tools.
  • It gets pricey if you don’t use other Mailchimp services.


  • Free plan
  • Essentials plan — $13/month
  • Standard plan — $20/month
  • Premium plan — $350/month

5. Email on Acid

email on acid email testing dashboard

Email on Acid is a comprehensive email testing tool covering all email campaign optimization aspects. It offers extensive email rendering testing across various clients and devices, spam and deliverability testing with detailed analysis, split testing capabilities, collaboration features and advanced analytics. 

Key Features

  • Vast testing of email rendering on different devices
  • Spam and deliverability testing
  • Split testing for subject lines, email content and visuals
  • Team collaboration and feedback features
  • Advanced analytics and reporting


  • The tool offers extensive email client coverage for rendering testing.
  • You get great spam and deliverability testing capabilities.
  • The tool has in-app collaboration features.


  • The pricing is higher compared to some other tools.
  • Some users may find the interface overwhelming initially.


  • Basic plan — $74/month
  • Premium plan — $134/month
  • Professional plan — $449/month
  • Enterprise plan — custom pricing

While these best email testing tools have some features in common, each stands out with unique capabilities of pricing offers. So there’s definitely one for your budget and business needs.

Challenges Faced While Implementing Email Testing Tools

Most email testing tools are beneficial, but you may need help with some obstacles during implementation. Here are the most common challenges associated with using mail testing tools.

challenges in email testing tools

  1. Compatibility Issues 

Email clients, devices and operating systems can all have compatibility issues. This may result in inconsistent email rendering or functionality across platforms. In this case, you may struggle to get testing done to prepare the campaign for running in the real world.

  1. Integration Challenges

Connecting the email preview testing tool to your dev environment might take a lot of work. So you may struggle if the tool offers poor tech integration or little availability of programming libraries and packages.

  1. False Positives or Negatives

Email testing tools, like any software, are prone to the occasional error. That being said, users should be aware of possible false positives or negatives and run the testing process again if they are not sure about the validity of the results. 

  1. Complexity of Testing Scenarios

Some testing scenarios may be more complex than others, adding hurdles to the process. So you may find it challenging to catch up sequences or different triggered actions as you test your emails with some tools.

  1. Learning Curve

Most email testing solutions have a learning curve, particularly for those new to the process. Understanding the tool's capabilities, features and best practices for effective testing may take time and effort. 

  1. Security

Security threats are a part of working with sensitive data. So you’re always at risk of unauthorized access, breaches or data leaks of email contents, subscribers lists and other information.

These are the most common challenges you can expect working with email testing solutions. But with experience, you’ll learn how to tackle them.

Who Uses Email Testing Tools?

Email testing tools can benefit many teams in your organization. From marketers to QA specialists, here’s a list of who can use these tools most.

  1. Email Marketers and Campaign Managers

Email marketers and campaign managers can use mail testing tools to guarantee that their campaigns reach recipients' inboxes, are optimized for different devices and email clients and are visually appealing.

  1. Marketing Teams

Marketing teams use the tools to collaborate, review and provide feedback on draft emails to ensure all stakeholders are on the same page. Online email testing tools also allow them to evaluate performance metrics, monitor the campaigns’ success and make data-driven decisions on strategy improvement.

  1. Agencies and Service Providers

Email client testing tools can benefit agencies and service providers that manage email marketing for multiple clients by streamlining their workflow. They can use collaboration features to gather client feedback, speeding up reviews and approvals. 

  1. E-Commerce Businesses 

E-commerce businesses use the tools to ensure that transactional emails, such as shipping notifications or order confirmations, are sent on time. They can also test personalized recommendations, promotional emails and abandoned cart campaigns. 

  1. Email Developers

Email engineers use email testing platforms to approve and improve different parts of emails. They can check whether dynamic email content displays well on various devices and screen sizes, identify coding errors and ensure HTML and CSS compatibility across different email clients.

  1. IT Professionals

IT professionals use these tools to test email deliverability, spam filters and authentication protocols to ensure emails are routed and delivered correctly. They can also use the software to find security flaws and safeguard user data.

  1. QA Engineers 

QA engineers can use an email template testing tool to test the email's interactive links, buttons and forms to ensure they work as intended. Email testing devices help QA engineers recreate different scenarios to find functionality issues. 

And just like that, the tools benefit a great deal of your organization’s members. Of course, the impact differs depending on the specialist, but they all can enjoy the advantages of using the tools.

Trends Relating to Email Testing Tools

Email testing tools continue to evolve along with email marketing. So here are some of the current trends among various email testing tools.

trends in email testing tools

  1. Mobile-First Testing

Because of the rise of mobile traffic, email testing tools now focus on ensuring that emails look good on smartphones. They enable previewing emails across various screen sizes and mobile email clients to provide seamless user experiences.

  1. Multi-Device Testing

In addition to mobile devices, users now access emails on various devices, including laptops, desktop computers, smartphones and tablets. That’s why providing comprehensive testing capabilities across all devices and screen resolutions is today's top focus of email testing tools. 

  1. AI-Powered Testing

AI in email testing platforms helps automate and enhance the testing and spam checking processes. AI-driven tools break down subject lines, email content and user behavior data to suggest how to improve campaigns so that they perform better and don’t trigger spam filters.

  1. Integration With Email Service Providers (ESPs)

Email testing tools integrate with popular ESPs to facilitate a streamlined email marketing workflow. By removing the need for manual exports and imports, integrations enable users to directly test and preview emails within the interface of their ESP.

  1. Privacy and Data Security

As a result of concerns about data privacy and security, mail testing tools strongly emphasize protecting user data. They use strong security measures to protect sensitive data like subscriber lists, email contents, etc. 

  1. Focus on Deliverability Monitoring

Deliverability is still crucial for email marketers. Hence, the tools provide inbox placement rates, spam scores and sender reputation statistics. In turn, this data helps marketers enhance the deliverability of their emails. 

Naturally, some of these trends are more popular than others. But you should consider them all when choosing your testing software.

Software That Can Integrate With Email Testing Tools

Third-party integrations enhance the testing and optimization process. Here are some examples of software you can integrate:

  • Email Service Providers (ESPs) — Integrating ESPs allows users to preview and test their emails directly within the platform, enabling seamless synchronization of campaigns, subscriber data and performance metrics with the email testing tool.

  • Marketing automation platforms — When integrated, these platforms allow users to test and optimize their email content, design and delivery, ensuring an efficient workflow and enabling more profound insights and analysis of email campaign performance.

  • Content Management Systems (CMS) — CMS allows users to draft and test email content within their CMS, ensuring consistency between website content and campaigns to align it with the overall brand messaging and design.

  • Customer Relationship Management (CRM) systems — By integrating CRM systems with email testing tools, you can use customer data and segmentation to create targeted and personalized email content.

  • Marketing analytics and reporting tools — Analytics and reporting tools integration allow for tracking various email metrics and provide deeper analysis and optimization opportunities for your campaigns.

  • Web development and testing tools — Integrating web development and testing tools helps facilitate cross-browser and cross-device testing so that you can verify email renders in various browsers, OSs and devices. 

These are just a few examples of third-party platforms you can integrate with your email testing tools. Be sure to make the most use of integrations for your marketing strategy.

What Is the Cost of Email Testing Tools?

Many email testing platforms offer subscription-based pricing, where users pay a recurring fee, typically monthly or annual. The cost can vary depending on the features included in the plan, like email test limit, analytics depth and email campaign volume. These plans also offer different tiers based on the level of functionality required.

Overall, the cost of email preview tools can range from affordable options for small businesses (which start from $13/month) to higher-priced enterprise plan options with set (around $350-$450/month) or custom pricing. But some tools offer free trials with limited functionality to explore the tool before upgrading.


Email testing tools offer a range of features that help email marketers, developers and other specialists optimize email content, design, deliverability and overall user experience. These tools enable users to preview and test emails across different devices, email clients and screen sizes, ensuring consistent rendering.

Contact our experienced team to find out more about email testing tools and how you can use them to boost your email marketing.

Compare Pricing Plans of Top Email Testing Tools Providers

Name Ratings & Reviews Starting Price Free Trial?
MailerLite 4.9(122 Reviews) $0 Per Month Yes Learn More
MailChimp 4.6(26 Reviews)

Available on Request

No Learn More 5.0(26 Reviews) $14.99 Full Licence/monthly plan Yes Learn More
Brevo 4.5(11 Reviews) $0 Per Month Yes Learn More
AeroLeads 4.7(6 Reviews)

Available on Request

Yes Learn More

FAQs of Email Testing Tools

Testing emails helps ensure that emails render correctly across different devices, email clients and screen sizes, providing a consistent user experience. It also allows you to identify and fix any issues related to email deliverability and optimize campaign performance.

You can use paid and free email testing tools to preview your email in the email clients you want to before actually sending the email.

The number of email tests you can run depends on the specific tool and your chosen plan. Higher-tier plans typically offer more or even unlimited testing, while lower-tier plans may have a set limit.

No, email testing tools don’t send emails to real recipients' inboxes. These tools simulate the email sending and receiving process within a controlled testing environment.

Yes, you can send a test email to a testing inbox from Gmail (or any other email client). You can create an email address for testing purposes only to check how your email renders and functions in the recipient's inbox.

The sample size you need for split testing will depend on factors like the goal of the campaign, the number of options you’re testing, etc. In general, the bigger the sample size, the higher the accuracy of the findings.

Last Updated: July 13, 2023