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Mail Seen - Unlimited Email Tracker for Outlook

Chrome extension by Mobile Internet Limited · Productivity · Communication

  • Established publisher
  • Trader

A Chrome extension in Productivity · Communication with 457 users, barely installed. Audience over the last 30 days: +57.

Specific sites only: 4 match patterns.

What the developer says, and 4 screenshots

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

Users
457
Rating
5.0 (6 ratings)
Users, last 30 days
+57
Rating, last 30 days
Steady over 30 days
Version
1.6
Updated in the store
2025-06-14
Published
2025-05-29
Manifest
V3
Browser access
2 permissions, 4 site patterns

How it has moved

Users
+57 since 07.10
400-457 · 19 readings
  1. 2026-10-08410
  2. 2026-10-09413
  3. 2026-10-10416
  4. 2026-10-13424
  5. 2026-10-16436
  6. 2026-10-18440
  7. 2026-10-19436
  8. 2026-10-20434
  9. 2026-10-21436
  10. 2026-10-22435
  11. 2026-10-23427
  12. 2026-10-24423
  13. 2026-10-25427
  14. 2026-10-28437
  15. 2026-10-29443
  16. 2026-10-30453
  17. 2026-11-01441
  18. 2026-11-03453
  19. 2026-11-06457
Rating
unchanged since 07.10
reviewsrating 5.00 · 19 readings
  1. 2026-10-08reviews6rating5.00
  2. 2026-10-09reviews6rating5.00
  3. 2026-10-10reviews6rating5.00
  4. 2026-10-13reviews6rating5.00
  5. 2026-10-16reviews6rating5.00
  6. 2026-10-18reviews6rating5.00
  7. 2026-10-19reviews6rating5.00
  8. 2026-10-20reviews6rating5.00
  9. 2026-10-21reviews6rating5.00
  10. 2026-10-22reviews6rating5.00
  11. 2026-10-23reviews6rating5.00
  12. 2026-10-24reviews6rating5.00
  13. 2026-10-25reviews6rating5.00
  14. 2026-10-28reviews6rating5.00
  15. 2026-10-29reviews6rating5.00
  16. 2026-10-30reviews6rating5.00
  17. 2026-11-01reviews6rating5.00
  18. 2026-11-03reviews6rating5.00
  19. 2026-11-06reviews6rating5.00
Users
+113 since 01.09
335-457 · 36 readings
  1. 2026-09-01344
  2. 2026-09-02346
  3. 2026-09-03339
  4. 2026-09-04342
  5. 2026-09-06339
  6. 2026-09-07335
  7. 2026-09-08337
  8. 2026-09-10342
  9. 2026-09-13353
  10. 2026-09-15356
  11. 2026-09-17367
  12. 2026-09-21369
  13. 2026-09-22368
  14. 2026-09-25370
  15. 2026-09-26378
  16. 2026-09-28377
  17. 2026-10-04400
  18. 2026-10-08410
  19. 2026-10-09413
  20. 2026-10-10416
  21. 2026-10-13424
  22. 2026-10-16436
  23. 2026-10-18440
  24. 2026-10-19436
  25. 2026-10-20434
  26. 2026-10-21436
  27. 2026-10-22435
  28. 2026-10-23427
  29. 2026-10-24423
  30. 2026-10-25427
  31. 2026-10-28437
  32. 2026-10-29443
  33. 2026-10-30453
  34. 2026-11-01441
  35. 2026-11-03453
  36. 2026-11-06457
Rating
unchanged since 01.09
reviewsrating 5.00 · 36 readings
  1. 2026-09-01reviews6rating5.00
  2. 2026-09-02reviews6rating5.00
  3. 2026-09-03reviews6rating5.00
  4. 2026-09-04reviews6rating5.00
  5. 2026-09-06reviews6rating5.00
  6. 2026-09-07reviews6rating5.00
  7. 2026-09-08reviews6rating5.00
  8. 2026-09-10reviews6rating5.00
  9. 2026-09-13reviews6rating5.00
  10. 2026-09-15reviews6rating5.00
  11. 2026-09-17reviews6rating5.00
  12. 2026-09-21reviews6rating5.00
  13. 2026-09-22reviews6rating5.00
  14. 2026-09-25reviews6rating5.00
  15. 2026-09-26reviews6rating5.00
  16. 2026-09-28reviews6rating5.00
  17. 2026-10-04reviews6rating5.00
  18. 2026-10-08reviews6rating5.00
  19. 2026-10-09reviews6rating5.00
  20. 2026-10-10reviews6rating5.00
  21. 2026-10-13reviews6rating5.00
  22. 2026-10-16reviews6rating5.00
  23. 2026-10-18reviews6rating5.00
  24. 2026-10-19reviews6rating5.00
  25. 2026-10-20reviews6rating5.00
  26. 2026-10-21reviews6rating5.00
  27. 2026-10-22reviews6rating5.00
  28. 2026-10-23reviews6rating5.00
  29. 2026-10-24reviews6rating5.00
  30. 2026-10-25reviews6rating5.00
  31. 2026-10-28reviews6rating5.00
  32. 2026-10-29reviews6rating5.00
  33. 2026-10-30reviews6rating5.00
  34. 2026-11-01reviews6rating5.00
  35. 2026-11-03reviews6rating5.00
  36. 2026-11-06reviews6rating5.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times 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: 4 match patterns.

  • https://outlook.live.com/
  • https://outlook.office.com/
  • https://outlook.office365.com/
Show the remaining 1
  • 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 Gmail Mobile Internet Limited · Productivity · Workflow · published 2023-10-20 6k users ★ 4.8
  2. Mail Seen - Unlimited Email Tracker for Yahoo Mobile Internet Limited · Productivity · Communication · published 2025-02-14 1k users ★ 4.5

Like this one

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

  1. Mail Seen - Unlimited Email Tracker for Gmail Describes nearly the same job, smaller audience 6k users ★ 4.8
  2. Email Tracker + Email Tracking Detector & Blocker Describes nearly the same job, with a large installed audience 300k users ★ 4.7
  3. Email Eye - Email Tracker for Gmail Describes nearly the same job, smaller audience 60 users
  4. MailTraceX — Email Tracker & Read Receipts for Gmail Describes nearly the same job, smaller audience 79 users ★ 5.0
  5. Email Tracker by cloudHQ Describes nearly the same job, with an established audience 20k users ★ 3.7

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.

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Users and rating on Ext Ops Panel

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/ihcdhfhodopdlmchbjpnijehipfbnfip/badge.svg)](https://extops.dev/extensions/ihcdhfhodopdlmchbjpnijehipfbnfip)

HTML

<a href="https://extops.dev/extensions/ihcdhfhodopdlmchbjpnijehipfbnfip"><img src="https://extops.dev/extensions/ihcdhfhodopdlmchbjpnijehipfbnfip/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-11-06. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built