Communication
Free, unlimited email tracking for Gmail. MailTracker tells you the moment your emails are opened, right inside Gmail.
Compare extensions
Communication
The original Mailtrack®: free, unlimited email tracking for Gmail. Trusted by millions, GDPR-compliant and Google-audited.
Audience & ratings
Store users
743
≈3M
Ratings
What stands out
Mailtrack® – Email Tracker for Gmail reports the larger audience. These are store counts, including rounded estimates. The rating difference is 0.58 points across 2 and 11,808 ratings.
Category overlap does not establish that two products serve the same workflow.
Product & publisher
Publisher
Mailsumo
Mailsuite
Publisher portfolio
3 listings
1 listing
Listing status
Active
Active
Manifest
Version 3
Version 3
Package size
566KiB
3.72MiB
Permissions & access
Requested capabilities describe access, not developer intent or a safety verdict.
API permissions
3 requested
- storage
- scripting
- declarativeNetRequest
3 requested
- storage
- declarativeNetRequestWithHostAccess
- notifications
Website patterns
1 recorded
- https://mail.google.com/*
10 recorded
- *://*.mailtrack.io/*
- *://mailtrack.io/*
- *://*.mailsuite.com/*
- *://mailsuite.com/*
- https://mail.google.com/*
- *://*.googleusercontent.com/*
- https://api.rollbar.com/*
- https://http-intake.logs.datadoghq.eu/*
- https://mrt-attachments-prod.s3.eu-west-1.amazonaws.com/*
- https://mt-file-tracking-temp.s3.eu-west-1.amazonaws.com/*
Releases
Explore the release history
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Create your free accountEvidence behind this comparison
Observed
3 Oct 2026
2 Oct 2026
Store users and ratings are observations, not revenue or lifetime installs. A larger audience or a higher score does not establish product quality.
How Earlygap collects evidenceReplace an extension
Your comparison
2 of 2 selected
MailTracker • Email Tracker for GmailCommunication
Mailtrack® – Email Tracker for GmailCommunication