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MailMagic AI assistant for Youtube comments

Chrome extension by DevFortress Inc · Productivity · Communication

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  • Established publisher
  • Trader

A Chrome extension in Productivity · Communication with 915 users, barely installed. Audience over the last 30 days: -2.

Specific sites only: 1 match pattern.

What the developer says, and 6 screenshots

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

Users
915
Rating
4.5 (21 ratings)
Users, last 30 days
-2
Rating, last 30 days
-0.18 in 30 days
Version
0.1.2
Updated in the store
2025-08-29
Published
2024-08-31
Manifest
V3
Browser access
2 permissions, 1 site pattern

How it has moved

Users
-2 since 30.09
862-917 · 17 readings
  1. 2026-10-05899
  2. 2026-10-08908
  3. 2026-10-09906
  4. 2026-10-10909
  5. 2026-10-13898
  6. 2026-10-16862
  7. 2026-10-17872
  8. 2026-10-18882
  9. 2026-10-19881
  10. 2026-10-21896
  11. 2026-10-22899
  12. 2026-10-23897
  13. 2026-10-24895
  14. 2026-10-25894
  15. 2026-10-27912
  16. 2026-10-29915
  17. 2026-10-30915
Rating
-0.18 since 30.09
reviewsrating 4.52-4.70 · 17 readings
  1. 2026-10-05reviews20rating4.70
  2. 2026-10-08reviews20rating4.70
  3. 2026-10-09reviews20rating4.70
  4. 2026-10-10reviews20rating4.70
  5. 2026-10-13reviews20rating4.70
  6. 2026-10-16reviews20rating4.70
  7. 2026-10-17reviews20rating4.70
  8. 2026-10-18reviews20rating4.70
  9. 2026-10-19reviews20rating4.70
  10. 2026-10-21reviews20rating4.70
  11. 2026-10-22reviews20rating4.70
  12. 2026-10-23reviews20rating4.70
  13. 2026-10-24reviews20rating4.70
  14. 2026-10-25reviews20rating4.70
  15. 2026-10-27reviews21rating4.52
  16. 2026-10-29reviews21rating4.52
  17. 2026-10-30reviews21rating4.52
Users
+9 since 01.09
862-994 · 32 readings
  1. 2026-09-01906
  2. 2026-09-02891
  3. 2026-09-04899
  4. 2026-09-06902
  5. 2026-09-08899
  6. 2026-09-09896
  7. 2026-09-10923
  8. 2026-09-13979
  9. 2026-09-15994
  10. 2026-09-17983
  11. 2026-09-20912
  12. 2026-09-21908
  13. 2026-09-25929
  14. 2026-09-26918
  15. 2026-09-28917
  16. 2026-10-05899
  17. 2026-10-08908
  18. 2026-10-09906
  19. 2026-10-10909
  20. 2026-10-13898
  21. 2026-10-16862
  22. 2026-10-17872
  23. 2026-10-18882
  24. 2026-10-19881
  25. 2026-10-21896
  26. 2026-10-22899
  27. 2026-10-23897
  28. 2026-10-24895
  29. 2026-10-25894
  30. 2026-10-27912
  31. 2026-10-29915
  32. 2026-10-30915
Rating
-0.18 since 01.09
reviewsrating 4.52-4.70 · 32 readings
  1. 2026-09-01reviews20rating4.70
  2. 2026-09-02reviews20rating4.70
  3. 2026-09-04reviews20rating4.70
  4. 2026-09-06reviews20rating4.70
  5. 2026-09-08reviews20rating4.70
  6. 2026-09-09reviews20rating4.70
  7. 2026-09-10reviews20rating4.70
  8. 2026-09-13reviews20rating4.70
  9. 2026-09-15reviews20rating4.70
  10. 2026-09-17reviews20rating4.70
  11. 2026-09-20reviews20rating4.70
  12. 2026-09-21reviews20rating4.70
  13. 2026-09-25reviews20rating4.70
  14. 2026-09-26reviews20rating4.70
  15. 2026-09-28reviews20rating4.70
  16. 2026-10-05reviews20rating4.70
  17. 2026-10-08reviews20rating4.70
  18. 2026-10-09reviews20rating4.70
  19. 2026-10-10reviews20rating4.70
  20. 2026-10-13reviews20rating4.70
  21. 2026-10-16reviews20rating4.70
  22. 2026-10-17reviews20rating4.70
  23. 2026-10-18reviews20rating4.70
  24. 2026-10-19reviews20rating4.70
  25. 2026-10-21reviews20rating4.70
  26. 2026-10-22reviews20rating4.70
  27. 2026-10-23reviews20rating4.70
  28. 2026-10-24reviews20rating4.70
  29. 2026-10-25reviews20rating4.70
  30. 2026-10-27reviews21rating4.52
  31. 2026-10-29reviews21rating4.52
  32. 2026-10-30reviews21rating4.52

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: 1 match pattern.

  • https://www.youtube.com/*
  • Run its own code on the pages it can access scripting
  • Store data in your browser storage

The full permission history for this extension

What changed recently

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

The publisher

DevFortress Inc publishes 6 listings we track, 3k users between them. Listed website: mailmagic.ai.

  1. ChatGPT AI for WhatsApp messages by MailMagic DevFortress Inc · Productivity · Communication · published 2024-08-30 594 users ★ 3.9
  2. ChatGPT AI for Instagram™ comments and messages DevFortress Inc · Lifestyle · Social · published 2024-10-17 473 users ★ 4.6
  3. AI Powered Assistant For Openphone DevFortress Inc · Productivity · Communication · published 2024-08-28 342 users ★ 5.0
Show 2 more from this publisher
  1. ChatGPT AI assistant for LinkedIn™ DevFortress Inc · Productivity · Communication · published 2024-11-11 301 users ★ 4.2
  2. Athena ChatGPT Google Search AI Assistant DevFortress Inc · Productivity · Workflow · published 2024-12-05 159 users ★ 5.0

Like this one

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

  1. EngageAI — AI Replies for YouTube Describes nearly the same job, smaller audience 11 users ★ 5.0
  2. RAMARvision AI Describes nearly the same job, smaller audience 13 users
  3. TubeReply AI Describes nearly the same job, smaller audience 3 users
  4. ReplySpark — YouTube Comment AI Reply Assistant Describes nearly the same job, smaller audience 6 users ★ 5.0
  5. Hopinio Reply: AI YouTube Comment Replies & Studio Bulk Reply Describes nearly the same job, smaller audience 498 users ★ 4.8

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

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HTML

<a href="https://extops.dev/extensions/ooikkeffocjeeignoacghpcniiglflgb"><img src="https://extops.dev/extensions/ooikkeffocjeeignoacghpcniiglflgb/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 2026-10-29. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built