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Mail Seen - Unlimited Email Tracker for Gmail

Chrome extension by Mobile Internet Limited · Productivity · Workflow

  • Featured
  • Established publisher
  • Trader

A Chrome extension in Productivity · Workflow with 6 000 users, a small but real audience.

Specific sites only: 2 match patterns.

What the developer says, and 5 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
6 000
Rating
4.7 (183 ratings)
Users, last 16 days
unchanged
Rating, last 30 days
Not watched long enough to say
Version
5.6
Updated in the store
2025-06-13
Published
2023-10-20
Manifest
V3
Browser access
2 permissions, 2 site patterns

How it has moved

Users
unchanged since 01.09
6k · 4 readings
  1. 2026-09-016k
  2. 2026-09-026k
  3. 2026-09-086k
  4. 2026-09-166k
Rating
unchanged since 01.09
reviewsrating 4.70 · 4 readings
  1. 2026-09-01reviews180rating4.70
  2. 2026-09-02reviews182rating4.70
  3. 2026-09-08reviews183rating4.70
  4. 2026-09-16reviews183rating4.70
Users
unchanged since 01.09
6k · 4 readings
  1. 2026-09-016k
  2. 2026-09-026k
  3. 2026-09-086k
  4. 2026-09-166k
Rating
unchanged since 01.09
reviewsrating 4.70 · 4 readings
  1. 2026-09-01reviews180rating4.70
  2. 2026-09-02reviews182rating4.70
  3. 2026-09-08reviews183rating4.70
  4. 2026-09-16reviews183rating4.70

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Specific sites only: 2 match patterns.

  • https://mail.google.com/
  • https://authapi-f6o7ittoia-uc.a.run.app/
  • Block or redirect requests by rules it declares in advance declarativeNetRequest
  • See which of its blocking rules matched declarativeNetRequestFeedback

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

Mobile Internet Limited publishes 3 listings we track, 7k users between them. Listed website: mailseen.com.

  1. Mail Seen - Unlimited Email Tracker for Yahoo Mobile Internet Limited · Productivity · Communication · published 2025-02-14 999 users ★ 4.5
  2. Mail Seen - Unlimited Email Tracker for Outlook Mobile Internet Limited · Productivity · Communication · published 2025-05-29 356 users ★ 5.0

Like this one

Listings the catalog judges closest in what they say they do.

  1. Mail Seen - Unlimited Email Tracker for Outlook Describes nearly the same job, smaller audience 356 users ★ 5.0
  2. MailViewed - Free Email Tracker for Gmail Describes nearly the same job, smaller audience 80 users ★ 5.0
  3. Seen - Privacy Focused Email Tracker Describes nearly the same job, smaller audience 49 users ★ 4.0
  4. Mail Seen - Unlimited Email Tracker for Yahoo Describes nearly the same job, smaller audience 999 users ★ 4.5
  5. EmailTrackApp — Email Tracking & Read Receipts for Gmail Describes nearly the same job, smaller audience 19 users ★ 5.0

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

Is this your extension?

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

See what the panel does

Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.