Communication
Free, unlimited email tracking for Gmail. MailTracker tells you the moment your emails are opened, right inside Gmail.
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Communication
Track if your emails are opened & how many times. Be notified when your emails are read with our advanced Email Tracking extension.
Audience & ratings
Store users
743
≈100K
Ratings
What stands out
MailTracker: Email tracker for Gmail reports the larger audience. These are store counts, including rounded estimates. The rating difference is 0.28 points across 2 and 5,288 ratings.
Category overlap does not establish that two products serve the same workflow.
Product & publisher
Publisher
Mailsumo
Mail Automation, Inc.
Publisher portfolio
3 listings
2 listings
Listing status
Active
Active
Manifest
Version 3
Version 3
Package size
566KiB
11.76MiB
Permissions & access
Requested capabilities describe access, not developer intent or a safety verdict.
API permissions
3 requested
- storage
- scripting
- declarativeNetRequest
3 requested
- declarativeNetRequest
- storage
- scripting
Website patterns
1 recorded
- https://mail.google.com/*
2 recorded
- *://mail.google.com/
- *://mailtracker.hunter.io/
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
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MailTracker • Email Tracker for GmailCommunication
MailTracker: Email tracker for GmailCommunication