1. Mailtrack
Read receipts and link tracking for Gmail.
Why it replaces Mail Seen - Unlimited Email Tracker for Yahoo: Covers similar ground in the Email category: Read receipts and link tracking for Gmail.
Best Mail Seen - Unlimited Email Tracker for Yahoo Alternatives in 2026
Mail Seen - Unlimited Email Tracker for Yahoo is a strong option, but it is not the right fit for everyone. Below are 10 alternatives compared on rating, install base, pricing and the use case each one actually wins on.
About Mail Seen - Unlimited Email Tracker for Yahoo
Know when your emails are opened! Designed for Yahoo Mail MailSeen - The Ultimate Email Tracker for Chrome for FREE Easy solution to know when your email was seen by the recipient. We will also tell you how many times and exactly when they were viewed. Your email experience will never be the same. / Why Choose MailSeen? 💎 - It's free up to 10 emails per month 🎀 - Probably the best looking UI 🔮 - Advanced tracking 🚀 - Not fast, instant (less than 20 milliseconds) 📊 - Advanced Analytics // How to Get Started in 2 steps 1. Add MailSeen to your Chrome browser 2. Start sending emails (a tracking label will be visible on the Subject line only for you - you don't need to do anything) > See statistics /// Features 🛰 - Invisible tracking so the recipient will never know you are tracking 📡 - Unlimited tracked emails Use it for as much as you want for as many emails as you want 🎖 - Unlimited email accounts Use it for all your accounts, personal or private 💫 - Everything is automated You can keep using your email without additional steps to enable tracking 💉 - Precise Know to the second about when the email was opened 🏗 - Iterative Know how many times your email was seen 📊 - Analytics Know who what is your open rate, engagement rate per email, etc. ☂️ - Secure Your emails are stored securely with Google Cloud Discover the future of email communication. Add MailSeen to your browser today and experience email tracking like never before!
Comparison at a glance
| Extension | Rating | Users | Pricing | Best for |
|---|---|---|---|---|
| Mail Seen - Unlimited Email Tracker for Yahoo (original) | 4.5 | 943 | Free | Know when your emails are opened! |
| Mailtrack | 4.4 | 3M+ | Freemium | Salespeople and recruiters who need to know when an email was actually opened. |
| Google Mail Checker | 4.1 | 2M+ | Free | Displays the number of unread messages in your Google Mail inbox. You can also click the button to open your inbox. |
| Apollo.io: Free B2B Phone Number & Email Finder | — | — | Free | Apollo enables users to find contact info, connect with buyers, track emails, and more for free. |
| HubSpot Sales | — | — | Free | Email tracking, CRM for Gmail, and sales productivity tools in your inbox |
| Email Finder by ContactOut – Email Lookup Tool | 4.4 | 600K+ | Free | Find emails for 75% of Linkedin or ANY website. Save profiles to CRM. Chatgpt comments & email writer. Trusted by 76% of Fortune500. |
| Email Finder by Snov.io | 4.9 | 400K+ | Free | Find email addresses on any website. Our Email Finder lets you collect leads and grow sales on the go. |
| GMass: Powerful mail merge for Gmail | 4.8 | 400K+ | Freemium | A powerful mass email and mail merge system for Gmail. |
| WiseStamp Email Signature Chrome Extension | 3.9 | 200K+ | Free | WiseStamp email signature |
| ClickUp: Tasks, Screenshots, Email, Time | — | — | Free | ClickUp is a productivity platform that makes your personal and work lives more productive, saving you time. |
| Briskine: Email templates for Gmail™ | 4.5 | 100K+ | Free | Write emails faster! Increase your productivity with templates and shortcuts on Gmail™, Outlook, or LinkedIn. |
Mail Seen - Unlimited Email Tracker for Yahoo alternatives in detail
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2. Google Mail Checker
Displays the number of unread messages in your Google Mail inbox. You can also click the button to open your inbox.
Why it replaces Mail Seen - Unlimited Email Tracker for Yahoo: Covers similar ground in the Email category: Displays the number of unread messages in your Google Mail inbox. You can also click the button to open your inbox.
3. Apollo.io: Free B2B Phone Number & Email Finder
Apollo enables users to find contact info, connect with buyers, track emails, and more for free.
Why it replaces Mail Seen - Unlimited Email Tracker for Yahoo: Covers similar ground in the Email category: Apollo enables users to find contact info, connect with buyers, track emails, and more for free.
4. HubSpot Sales
Email tracking, CRM for Gmail, and sales productivity tools in your inbox
Why it replaces Mail Seen - Unlimited Email Tracker for Yahoo: Covers similar ground in the Email category: Email tracking, CRM for Gmail, and sales productivity tools in your inbox
5. Email Finder by ContactOut – Email Lookup Tool
Find emails for 75% of Linkedin or ANY website. Save profiles to CRM. Chatgpt comments & email writer. Trusted by 76% of Fortune500.
Why it replaces Mail Seen - Unlimited Email Tracker for Yahoo: Covers similar ground in the Email category: Find emails for 75% of Linkedin or ANY website. Save profiles to CRM. Chatgpt comments & email writer. Trusted by 76% of Fortune500.
6. Email Finder by Snov.io
Find email addresses on any website. Our Email Finder lets you collect leads and grow sales on the go.
Why it replaces Mail Seen - Unlimited Email Tracker for Yahoo: Covers similar ground in the Email category: Find email addresses on any website. Our Email Finder lets you collect leads and grow sales on the go.
7. GMass: Powerful mail merge for Gmail
A powerful mass email and mail merge system for Gmail.
Why it replaces Mail Seen - Unlimited Email Tracker for Yahoo: Covers similar ground in the Email category: A powerful mass email and mail merge system for Gmail.
8. WiseStamp Email Signature Chrome Extension
WiseStamp email signature
Why it replaces Mail Seen - Unlimited Email Tracker for Yahoo: Covers similar ground in the Email category: WiseStamp email signature
9. ClickUp: Tasks, Screenshots, Email, Time
ClickUp is a productivity platform that makes your personal and work lives more productive, saving you time.
Why it replaces Mail Seen - Unlimited Email Tracker for Yahoo: Covers similar ground in the Email category: ClickUp is a productivity platform that makes your personal and work lives more productive, saving you time.
10. Briskine: Email templates for Gmail™
Write emails faster! Increase your productivity with templates and shortcuts on Gmail™, Outlook, or LinkedIn.
Why it replaces Mail Seen - Unlimited Email Tracker for Yahoo: Covers similar ground in the Email category: Write emails faster! Increase your productivity with templates and shortcuts on Gmail™, Outlook, or LinkedIn.
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Frequently asked questions
What is the best alternative to Mail Seen - Unlimited Email Tracker for Yahoo?
Mailtrack is the closest match. Covers similar ground in the Email category: Read receipts and link tracking for Gmail.
Is there a free alternative to Mail Seen - Unlimited Email Tracker for Yahoo?
Yes — Google Mail Checker, Apollo.io: Free B2B Phone Number & Email Finder, HubSpot Sales are free.