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Top Rated Email Tracking Software with Customizable Fields in 2026

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Verified reviewer profile picture

All user reviews are verified by in-house moderators and provider data by our software research team.  Learn more

Last updated: March 2026

Customizable fields enable personalized email campaigns by allowing users to tailor messages with specific details, improving open and click-through rates. They simplify data management, facilitate targeted communication, and enhance branding efforts. Our reviewers in email tracking software rated this feature as important.

4 Best Email Tracking Software with Customizable Fields

  • Constant Contact
  • MailerLite - Highest rated for customizable fields
  • Mailchimp
  • GMass

See other top Email Tracking products with customizable fields

How we picked the 4 top rated products

We chose the high-performing solutions on this list based on verified user ratings on our site. Depending on available data, qualifying products either had to be among the most user-reviewed or the most searched-for products in the email tracking software category. They also needed to have sufficient reviews about customizable fields, have a minimum user rating of 3 out of 5 for that feature, and show evidence of U.S. market presence. We then added a distinction for the product with the highest rating for customizable fields based on our proprietary ratings and reviews. Sponsorship or client status has no influence on the selection of these products, but it may impact the order in which products appear.

Details for the 4 best products

Constant Contact logo

Constant Contact

4.3
(2.9K)
visit website

User insights about the customizable fields feature

Reviewers appreciate Constant Contact's customizable fields for their flexibility in tailoring email content and targeting specific audience segments. They find it useful for personalizing emails, creating custom tags, and integrating with CRMs. Users highlight the ease of setup and the ability to format fields quickly. However, some mention difficulties in customizing templates and a desire for more design features.
“Constant Contact's "Customizable Fields" empower you to tailor your email marketing to specific audience segments with unique data. ”
Verified reviewer profile picture

Jaykumar K.

Software Engineer

“I like that there are so many customizable fields. I have the ability to create unique emails.”
Verified reviewer profile picture

Sheena O.

Manager, Marketing and Communications

Email Tracking key features coverage

Constant Contact offers 6 out of the 6 key features for Email Tracking software identified by reviewers:

Engagement Tracking4.5
Contact Management4.4
Email Distribution4.6
Email Marketing4.5
Email Management4.7
Reporting/Analytics4.4

Pros and cons based on 2,900 verified reviews

53% of users rated Constant Contact 5 out of 5 stars, while 3% gave it 1 or 2 stars. To determine these pros and cons insights we analyzed 2,900 reviews and identified the topics where users expressed positive and negative sentiment.

Pros:

Effective client management

Easy newsletter creation

Comprehensive email marketing

Efficient communication messaging

Versatile email campaigns

Cons:

Email handling issues

Text formatting challenges

Subscription management limitations

Frequent issue management

High costs for features

See pros and cons details

Pricing

Starting price:$12 usage based/per month|Free version:Not available|Free trial:Available

Prices may vary depending on the number of users and features.

MailerLite logo
4.7
(2.2K)
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User insights about the customizable fields feature

Reviewers indicate that MailerLite's customizable fields are easy to use and set up, allowing them to tailor landing pages, email newsletters, and forms to their specific needs. They find it valuable for adding extra fields for custom details, personalizing emails, and segmenting lists. Users appreciate the flexibility and the ability to sync with CRMs. However, some feel that more options for pop-ups and templates would enhance the experience.
“On your MailerLite dashboard, under "Subscribers" you will find the "Fields" tab where all the default fields will be listed. If you click on the "Add New Field" button, you can create a custom field for any information you would like to gather from your subscribers.”
Verified reviewer profile picture

JAZE P.

Systems Administrator

“This is important since I sometimes need extra fields for custom details like mobile phone or other preferences.”
JA

James A.

Owner

Email Tracking key features coverage

MailerLite offers 6 out of the 6 key features for Email Tracking software identified by reviewers:

Engagement Tracking4.5
Contact Management4.6
Email Distribution4.8
Email Marketing4.8
Email Management4.8
Reporting/Analytics4.5

Pros and cons based on 2,254 verified reviews

78% of users rated MailerLite 5 out of 5 stars, while 2% gave it 1 or 2 stars. To determine these pros and cons insights we analyzed 2,254 reviews and identified the topics where users expressed positive and negative sentiment.

Pros:

Supports small business growth

Responsive customer support

Effective live chat support

Comprehensive email marketing

Intuitive drag-and-drop editor

Cons:

Challenging account management

Complicated version upgrades

Website management difficulties

Limited form editor functionality

See pros and cons details

Pricing

Starting price:$10 per user/per month|Free version:Available|Free trial:Available

Prices may vary depending on the number of users and features.

Mailchimp logo
4.5
(17.5K)
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User insights about the customizable fields feature

Reviewers highlight Mailchimp's customizable fields as essential for personalizing email campaigns and managing customer data. They find it easy to use, with plenty of options for tailoring emails to specific needs. Users appreciate the ability to integrate with other platforms and the flexibility in adjusting fields. However, some feel that more customization options and better formatting would improve the experience.
“We use Mailchimp with our employees, the customizable fields aid when scheduling the campaign while still having the audience feel appreciated for taking the extra time to see them as an individual by using tailored information. ”
SH

Samara H.

HR& Business Manager

“The platform offers robust customisation options for fields, allowing me to tailor contact information and segment audiences with precision.”
JS

Joe S.

Clinical Lead

Email Tracking key features coverage

Mailchimp offers 6 out of the 6 key features for Email Tracking software identified by reviewers:

Engagement Tracking4.5
Contact Management4.4
Email Distribution4.6
Email Marketing4.6
Email Management4.5
Reporting/Analytics4.4

Pros and cons based on 17,548 verified reviews

59% of users rated Mailchimp 5 out of 5 stars, while 2% gave it 1 or 2 stars. To determine these pros and cons insights we analyzed 17,548 reviews and identified the topics where users expressed positive and negative sentiment.

Pros:

Efficient client communication

Comprehensive email marketing

Streamlined newsletter creation

Effective email blasting

Support for small business growth

Cons:

Issues with spam filtering

Restrictive usage limits

Challenges with issue management

Expensive for small businesses

Limited design customization

See pros and cons details

Pricing

Starting price:$13 flat rate/per month|Free version:Available|Free trial:Available

Prices may vary depending on the number of users and features.

GMass logo
4.8
(1.3K)
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User insights about the customizable fields feature

Users report that GMass's customizable fields are highly effective for personalizing mass email campaigns, making each email appear unique and professional. They appreciate the ease of use and the ability to automate email series based on subscriber behavior. Reviewers find it helpful for adding or deleting tabs and sections, and integrating with Gmail. However, some mention a need for more options to customize follow-up messages.
“With customizable fields, we can send the same email to 5000 people, but still, get them to feel that we wrote the email just for them.”
AO

Alexander O.

CEO

“The fields are customizable according to my list. I can add or delete any tab and section.”
AA

Abhishek A.

CEO

Email Tracking key features coverage

GMass offers 5 out of the 6 key features for Email Tracking software identified by reviewers:

Engagement Tracking4.7
Contact Management
Email Distribution4.7
Email Marketing4.8
Email Management4.8
Reporting/Analytics4.6

Pros and cons based on 1,364 verified reviews

85% of users rated GMass 5 out of 5 stars, while 0% gave it 1 or 2 stars. To determine these pros and cons insights we analyzed 1,364 reviews and identified the topics where users expressed positive and negative sentiment.

Pros:

Effortless installation process

Effective marketing outreach

Cons:

Challenges with spam management

See pros and cons details

Pricing

Starting price:$25 flat rate/per month|Free version:Not available|Free trial:Available

Prices may vary depending on the number of users and features.

Other Top Rated Email Tracking Software with Customizable Fields in 2026

SendGrid logo

SendGrid

Delivers reliable email at scale for businesses

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SendGrid is a solution that provides a cloud-based email infrastructure to help relieve businesses of the cost and complexity of maintaining custom email systems. It provides email delivery, scalability and real-time analytics along with APIs. The platform also offers SMTP service, email validation, deliverability insights, and dynamic templates, while supporting multiple programming languages including Node.js, Python, and Java.

Read more about SendGrid

Users also considered
Pinpointe logo

Pinpointe

Advanced-feature email marketing for less

visit website
Pinpointe is the go-to email service provider for businesses that have outgrown their current email platform. If you're ready for more advanced features and service, Pinpointe is the right choice.

Read more about Pinpointe

Users also considered
Mailchimp logo

Email and SMS marketing automation platform

learn more
Mailchimp is an email and SMS marketing platform that combines artificial intelligence with marketing automation capabilities. The platform features a drag-and-drop builder, content creation tools, and audience management functions to help businesses design and distribute marketing campaigns across multiple channels.

Read more about Mailchimp

Users also considered
MailerLite logo
Category Leaders

Advanced email marketing made easy.

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From newsletters to automated customer journeys—join 700,000 businesses scaling the easy way with MailerLite. 

Read more about MailerLite

Users also considered
GMass logo

Google Chrome extension for sending & scheduling emails

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GMass is a Google Chrome extension, which helps businesses run mass email campaigns from Gmail, manage responses, create recipient lists, and more. Supervisors can gain visibility into sent, opened, clicked, replied, unsubscribed, bounced, and rejected email metrics through reports.

Read more about GMass

Users also considered
Constant Contact logo
Category Leaders

Streamlines marketing to grow loyal audiences

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Constant Contact is a digital and email marketing platform that provides tools for creating, sending, and tracking email campaigns. The platform offers customizable email templates, AI writing assistance, and automation features to help businesses reach audience. Additionally, it includes social media marketing capabilities, SMS marketing, and multi-account solutions for organizations managing multiple locations or teams.

Read more about Constant Contact

Users also considered
Omnisend logo

Drives revenue via automated eCommerce marketing

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Trusted by 150k+ ecommerce businesses, Omnisend’s all-in-one email marketing & SMS tool automates your marketing across the entire customer journey. Build customer relationships & drive sales on autopilot. 1-click integrations with Shopify, BigCommerce, WooCommerce, Wix & more.

Read more about Omnisend

Users also considered
EngageBay CRM logo
Category Leaders

Integrated sales & marketing software for growing teams

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AI-powered all-in-one CRM for marketing, sales, and support — built to help small businesses grow faster.

Read more about EngageBay CRM

Users also considered
Freshsales logo

Sales management solution

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Freshworks CRM Marketing Cloud helps marketing teams deliver more personalized customer experiences at every touchpoint across their lifecycle. You can automate conversations with website visitors using AI chatbots, create personalized email campaigns and nurture customers to keep coming back.

Read more about Freshsales

Users also considered
iContact logo
Category Leaders

Email marketing , automation, and landing page software

learn more
iContact's easy-to-use platform provides you with the tools to grow your business anytime, anywhere. To create your iContact Free account, visit iContact.com via the link in our bio. No credit card required!

Read more about iContact

Users also considered
Campaign Monitor by Marigold logo
Category Leaders

Cross-channel marketing made simple and stress-free

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Campaign Monitor by Marigold is the leading provider of professional-grade email marketing and automation software for growing businesses

Read more about Campaign Monitor by Marigold

Users also considered
HubSpot Sales Hub logo
Category Leaders

Freemium email productivity & tracking for sales teams

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HubSpot Sales is a suite of inbox-based email tracking & productivity tools with which sales teams can build, automate, and accelerate their sales processes

Read more about HubSpot Sales Hub

Users also considered
Bitrix24 logo

All in one business management workspace

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Bitrix24 #1 FREE email marketing and email tracking CRM. Cloud, mobile, open source. 12 million companies worldwide. Send emails in bulk, see who's open your emails, clicked links and run automation rules based on email triggers.

Read more about Bitrix24

Users also considered
Copper logo
Category Leaders

The CRM designed for Google Workspace

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Copper is a CRM tool that’s designed for and recommended by Google. Get set up in minutes thanks to its seamless integration with Google Workspace (formerly G Suite) and beautiful user experience. Automate repetitive tasks, stay on top of projects and deadlines, and build more valuable, long-lasting relationships.

Read more about Copper

Users also considered
SMTP2GO logo

Fast, reliable mail delivery and management solution

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SMTP2GO is a cloud-based email management solution which helps businesses track emails and generate visual reports. Key features include data management, email monitoring, blacklisting, email authentication, and an API.

Read more about SMTP2GO

Users also considered
Front logo

AI-enabled customer service platform for collaboration

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Front is more than email tracking. We're a customer operations platform that enables customer-facing teams to deliver exceptional service at scale. Front streamlines customer communication by combining the efficiency of a help desk and the familiarity of email.

Read more about Front

Users also considered
GetResponse logo

Cloud-based email marketing platform

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An email marketing tool that helps business owners build permission-based mailing lists, maximize conversions with email automation and responsive design and create a landing page. GetResponse features include video email marketing, email-to-speech, and a custom form builder.

Read more about GetResponse

Users also considered
Mailjet logo

Marketing Email, Transactional Email, Transactional SMS

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With GDPR-compliant infrastructure and proven deliverability, Mailjet is the best Email Marketing Software & Email API for Teams. Marketers design, deliver, and automate email newsletter while developers power transactional email via robust API platform.

Read more about Mailjet

Users also considered
Mixmax logo

Email communication & sales productivity application

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Mixmax is an email communication & sales productivity application designed to help businesses convert prospects into customers through Gmail, Google Inbox, Google Calendar, Salesforce & Pipedrive using 1-to-1 communication, personalized email, workflow automation, email tracking, CRM sync, & more

Read more about Mixmax

Users also considered
Agile CRM logo
Category Leaders

Sales and marketing CRM for growing businesses

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Agile CRM combines powerful automation, telephony, web, mobile, email, social and scheduling features to effectively manage the entire customer journey

Read more about Agile CRM

Users also considered
Zoho Campaigns logo
Category Leaders

Simplified email and SMS marketing management software

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Zoho Campaigns is an email and SMS marketing software for small, medium, and large businesses to automate their entire marketing process.

Read more about Zoho Campaigns

Users also considered
Close logo

The all-in-one CRM for fast-growing sales teams.

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Close is the sales CRM built for engagement – a powerful, fast tool designed to help ambitious teams manage leads, build relationships, and close more deals.

Read more about Close

Users also considered
Groove logo

The first sales platform to make sales strategy actionable

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Groove is a market-leading sales engagement platform that enables sales leaders to execute their strategy in a smart, adaptive way. With Groove, revenue leaders can use automation to do more with less, driving greater efficiency and effectiveness across the customer lifecycle.

Read more about Groove

Users also considered
Acumbamail logo

Cloud-based tool for email and SMS marketing campaigns

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Acumbamail is a complete tool with Email Marketing, SMS campaigns, and landing pages for companies of all kinds to effectively communicate with their customers between channels, expand their business and improve their conversion rates.

Read more about Acumbamail

Users also considered
Mailshake logo
Category Leaders

Sales engagement platform for email, phone & social outreach

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Mailshake is a sales engagement platform for modern sales teams. Send personalized cold emails at scale and set tasks to engage with prospects via phone and social media, all in one sequence, on one dashboard.

Read more about Mailshake

Users also considered

Key features for Email Tracking software

Based on GetApp's analysis of verified user reviews collected between July 2021 and August 2024.

  • Engagement Tracking: Reviewers value detailed reports on open rates, clicks, and responses, which help refine email strategies and improve future campaigns. 95% of reviewers rated this feature as important or highly important.
  • Contact Management: Users appreciate the ability to organize contacts through segmentation, tagging, and detailed records, simplifying targeted marketing and list updates. 95% of reviewers rated this feature as important or highly important.
  • Email Distribution: Reviewers highlight the ease of sending personalized emails to large groups, managing subscriber lists, and ensuring delivery to inboxes. 94% of reviewers rated this feature as important or highly important.
  • Email Marketing: Users emphasize the convenience of automated campaigns, customizable templates, and segmentation, enhancing engagement and simplifying campaign management. 93% of reviewers rated this feature as important or highly important.
  • Email Management: Reviewers find the tool effective for scheduling, prioritizing, and tracking emails, aiding in maintaining organized and efficient communication. 91% of reviewers rated this feature as important or highly important.
  • Reporting/Analytics: Users value comprehensive metrics on email performance, including open rates and clicks, which help optimize strategies and measure campaign success. 88% of reviewers rated this feature as important or highly important.