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Metheus Extension: Language Immersion Engine

Chrome extension by Metheus · Productivity · Education

  • Established publisher

A Chrome extension in Productivity · Education with 46 users, barely installed. Audience over the last 30 days: +11.

Specific sites only: 8 match patterns.

What the developer says, and 3 screenshots

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

Users
46
Rating
5.0 (1 ratings)
Users, last 30 days
+11
Rating, last 30 days
Steady over 30 days
Version
1.2.3
Updated in the store
2026-11-02
Published
2026-03-01
Manifest
V3
Browser access
9 permissions, 8 site patterns

How it has moved

Users
+11 since 06.10
35-58 · 15 readings
2026-11-02: released 1.2.3
  1. 2026-10-0938
  2. 2026-10-1141
  3. 2026-10-1342
  4. 2026-10-1643
  5. 2026-10-1844
  6. 2026-10-1945
  7. 2026-10-2146
  8. 2026-10-2249
  9. 2026-10-2354
  10. 2026-10-2456
  11. 2026-10-2558
  12. 2026-10-2756
  13. 2026-10-2948
  14. 2026-11-0146
  15. 2026-11-0546
Rating
unchanged since 06.10
reviewsrating 5.00 · 15 readings
2026-11-02: released 1.2.3
  1. 2026-10-09reviews1rating5.00
  2. 2026-10-11reviews1rating5.00
  3. 2026-10-13reviews1rating5.00
  4. 2026-10-16reviews1rating5.00
  5. 2026-10-18reviews1rating5.00
  6. 2026-10-19reviews1rating5.00
  7. 2026-10-21reviews1rating5.00
  8. 2026-10-22reviews1rating5.00
  9. 2026-10-23reviews1rating5.00
  10. 2026-10-24reviews1rating5.00
  11. 2026-10-25reviews1rating5.00
  12. 2026-10-27reviews1rating5.00
  13. 2026-10-29reviews1rating5.00
  14. 2026-11-01reviews1rating5.00
  15. 2026-11-05reviews1rating5.00
Users
-16 since 01.09
35-84 · 32 readings
2026-11-02: released 1.2.3
  1. 2026-09-0162
  2. 2026-09-0260
  3. 2026-09-0358
  4. 2026-09-0570
  5. 2026-09-0669
  6. 2026-09-0767
  7. 2026-09-0868
  8. 2026-09-1074
  9. 2026-09-1379
  10. 2026-09-1583
  11. 2026-09-1684
  12. 2026-09-2081
  13. 2026-09-2176
  14. 2026-09-2577
  15. 2026-09-2663
  16. 2026-09-2859
  17. 2026-10-0435
  18. 2026-10-0938
  19. 2026-10-1141
  20. 2026-10-1342
  21. 2026-10-1643
  22. 2026-10-1844
  23. 2026-10-1945
  24. 2026-10-2146
  25. 2026-10-2249
  26. 2026-10-2354
  27. 2026-10-2456
  28. 2026-10-2558
  29. 2026-10-2756
  30. 2026-10-2948
  31. 2026-11-0146
  32. 2026-11-0546
Rating
unchanged since 01.09
reviewsrating 5.00 · 32 readings
2026-11-02: released 1.2.3
  1. 2026-09-01reviews1rating5.00
  2. 2026-09-02reviews1rating5.00
  3. 2026-09-03reviews1rating5.00
  4. 2026-09-05reviews1rating5.00
  5. 2026-09-06reviews1rating5.00
  6. 2026-09-07reviews1rating5.00
  7. 2026-09-08reviews1rating5.00
  8. 2026-09-10reviews1rating5.00
  9. 2026-09-13reviews1rating5.00
  10. 2026-09-15reviews1rating5.00
  11. 2026-09-16reviews1rating5.00
  12. 2026-09-20reviews1rating5.00
  13. 2026-09-21reviews1rating5.00
  14. 2026-09-25reviews1rating5.00
  15. 2026-09-26reviews1rating5.00
  16. 2026-09-28reviews1rating5.00
  17. 2026-10-04reviews1rating5.00
  18. 2026-10-09reviews1rating5.00
  19. 2026-10-11reviews1rating5.00
  20. 2026-10-13reviews1rating5.00
  21. 2026-10-16reviews1rating5.00
  22. 2026-10-18reviews1rating5.00
  23. 2026-10-19reviews1rating5.00
  24. 2026-10-21reviews1rating5.00
  25. 2026-10-22reviews1rating5.00
  26. 2026-10-23reviews1rating5.00
  27. 2026-10-24reviews1rating5.00
  28. 2026-10-25reviews1rating5.00
  29. 2026-10-27reviews1rating5.00
  30. 2026-10-29reviews1rating5.00
  31. 2026-11-01reviews1rating5.00
  32. 2026-11-05reviews1rating5.00

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: 8 match patterns.

  • https://metheus.app/*
  • https://www.metheus.app/*
  • https://cdn.metheus.app/*
Show the remaining 5
  • https://jisho.org/*
  • https://tatoeba.org/*
  • https://krdict.korean.go.kr/*
  • http://127.0.0.1/*
  • http://localhost/*
  • Capture the contents of a tab tabCapture
  • See the address and title of every tab you have open tabs
  • Run its own code on the pages it can access scripting
Show the remaining 6

The full permission history for this extension

Version history

  1. Version 1.2.3 · Asked for more permissions (17, was 8) (changed: site access, pages it runs its code on, browser permissions, sites that can connect to it)

What changed recently

  1. Package size changed
  2. Asked for more permissions (17, was 8) (changed: site access, pages it runs its code on, browser permissions, sites that can connect to it)
  3. Supported languages changed (10 → 13)
Show the remaining 1
  1. Released version 1.2.3 (was 1.0.3)

The publisher

Metheus. Listed website: metheus.app.

Like this one

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

  1. LinguaLens Describes nearly the same job, smaller audience 4 users
  2. Vocly Describes nearly the same job, smaller audience 7 users ★ 5.0
  3. FluentHub: Videos, Stories, AI Tutor & Flashcards Describes nearly the same job, smaller audience 341 users ★ 4.9
  4. Nadinha Describes nearly the same job, smaller audience 4 users
  5. Lingoverse Describes nearly the same job, smaller audience 5 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

<a href="https://extops.dev/extensions/megcmimgojgpnhkenbgdjbklbmcpglcf"><img src="https://extops.dev/extensions/megcmimgojgpnhkenbgdjbklbmcpglcf/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 2026-11-01. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built