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Rex: AI Writing Assistant

Chrome extension by EXGENLAB · Productivity · Communication

  • Established publisher

A Chrome extension in Productivity · Communication with 20 users, barely installed. Audience over the last 30 days: +1.

Specific sites only: 3 match patterns.

What the developer says, and 3 screenshots

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

Users
20
Rating
5.0 (3 ratings)
Users, last 30 days
+1
Rating, last 30 days
Steady over 30 days
Version
1.2.2
Updated in the store
2026-11-04
Published
2026-06-03
Manifest
V3
Browser access
3 permissions, 3 site patterns

How it has moved

Users
+1 since 08.10
19-26 · 16 readings
2026-11-05: released 1.2.2
  1. 2026-10-0819
  2. 2026-10-1625
  3. 2026-10-1926
  4. 2026-10-2025
  5. 2026-10-2126
  6. 2026-10-2222
  7. 2026-10-2321
  8. 2026-10-2422
  9. 2026-10-2521
  10. 2026-10-2819
  11. 2026-10-3022
  12. 2026-11-0120
  13. 2026-11-0222
  14. 2026-11-0421
  15. 2026-11-0620
  16. 2026-11-0720
Rating
unchanged since 08.10
reviewsrating 5.00 · 16 readings
2026-11-05: released 1.2.2
  1. 2026-10-08reviews3rating5.00
  2. 2026-10-16reviews3rating5.00
  3. 2026-10-19reviews3rating5.00
  4. 2026-10-20reviews3rating5.00
  5. 2026-10-21reviews3rating5.00
  6. 2026-10-22reviews3rating5.00
  7. 2026-10-23reviews3rating5.00
  8. 2026-10-24reviews3rating5.00
  9. 2026-10-25reviews3rating5.00
  10. 2026-10-28reviews3rating5.00
  11. 2026-10-30reviews3rating5.00
  12. 2026-11-01reviews3rating5.00
  13. 2026-11-02reviews3rating5.00
  14. 2026-11-04reviews3rating5.00
  15. 2026-11-06reviews3rating5.00
  16. 2026-11-07reviews3rating5.00
Users
+2 since 31.08
17-26 · 28 readings
2026-11-05: released 1.2.2
  1. 2026-08-3118
  2. 2026-09-0319
  3. 2026-09-0417
  4. 2026-09-0618
  5. 2026-09-0821
  6. 2026-09-1020
  7. 2026-09-1522
  8. 2026-09-2121
  9. 2026-09-2524
  10. 2026-09-2626
  11. 2026-09-2824
  12. 2026-10-0520
  13. 2026-10-0819
  14. 2026-10-1625
  15. 2026-10-1926
  16. 2026-10-2025
  17. 2026-10-2126
  18. 2026-10-2222
  19. 2026-10-2321
  20. 2026-10-2422
  21. 2026-10-2521
  22. 2026-10-2819
  23. 2026-10-3022
  24. 2026-11-0120
  25. 2026-11-0222
  26. 2026-11-0421
  27. 2026-11-0620
  28. 2026-11-0720
Rating
unchanged since 31.08
reviewsrating 5.00 · 28 readings
2026-11-05: released 1.2.2
  1. 2026-08-31reviews3rating5.00
  2. 2026-09-03reviews3rating5.00
  3. 2026-09-04reviews3rating5.00
  4. 2026-09-06reviews3rating5.00
  5. 2026-09-08reviews3rating5.00
  6. 2026-09-10reviews3rating5.00
  7. 2026-09-15reviews3rating5.00
  8. 2026-09-21reviews3rating5.00
  9. 2026-09-25reviews3rating5.00
  10. 2026-09-26reviews3rating5.00
  11. 2026-09-28reviews3rating5.00
  12. 2026-10-05reviews3rating5.00
  13. 2026-10-08reviews3rating5.00
  14. 2026-10-16reviews3rating5.00
  15. 2026-10-19reviews3rating5.00
  16. 2026-10-20reviews3rating5.00
  17. 2026-10-21reviews3rating5.00
  18. 2026-10-22reviews3rating5.00
  19. 2026-10-23reviews3rating5.00
  20. 2026-10-24reviews3rating5.00
  21. 2026-10-25reviews3rating5.00
  22. 2026-10-28reviews3rating5.00
  23. 2026-10-30reviews3rating5.00
  24. 2026-11-01reviews3rating5.00
  25. 2026-11-02reviews3rating5.00
  26. 2026-11-04reviews3rating5.00
  27. 2026-11-06reviews3rating5.00
  28. 2026-11-07reviews3rating5.00

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: 3 match patterns.

  • https://rexapp-backend.exgenlab.com/*
  • https://rexapp-auth.exgenlab.com/*
  • https://rexapp-payments.exgenlab.com/*

The full permission history for this extension

Version history

  1. Version 1.2.2

What changed recently

  1. Package size changed
  2. Released version 1.2.2 (was 1.2.1)

The publisher

EXGENLAB publishes 2 listings we track, 25 users between them. Listed website: rexapp.exgenlab.com.

  1. JIRA Pending Actions Tracker EXGENLAB · Productivity · Tools · published 2026-03-29 5 users

Like this one

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

  1. RewritePal: AI Sentence Rewriter & Grammar Checker Describes nearly the same job, smaller audience 529 users ★ 5.0
  2. AnyWrite - AI Writing Assistant Describes nearly the same job, smaller audience 16 users ★ 5.0
  3. Sapling Grammar Checker and Writing Assistant Describes nearly the same job, with an established audience 60k users ★ 4.2
  4. Preener AI Writing Assistant Describes nearly the same job, smaller audience 2 users
  5. Wordmend: AI Writing Assistant & Grammar Checker Describes nearly the same job, smaller audience 7 users

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

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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