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Metheus Extension: Language Immersion Engine

Chrome extension by Metheus · Productivity · Education

A Chrome extension in Productivity · Education with 83 users, barely installed.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 3 screenshots

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

Users
83
Rating
5.0 (1 ratings)
Users, last 15 days
+21
Rating, last 30 days
Not watched long enough to say
Version
1.0.3
Updated in the store
2026-07-29
Published
2026-03-01
Manifest
V3
Browser access
8 permissions

How it has moved

Users
+21 since 01.09
58-83 · 10 readings
  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
Rating
unchanged since 01.09
reviewsrating 5.00 · 10 readings
  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
Users
+21 since 01.09
58-83 · 10 readings
  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
Rating
unchanged since 01.09
reviewsrating 5.00 · 10 readings
  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

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

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • 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 5
  • Act on the current tab, but only after you click it activeTab
  • Add items to the right-click menu contextMenus
  • Run work in a hidden page offscreen
  • Open a panel beside the page sidePanel
  • 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

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 8 users ★ 5.0
  3. FluentHub: Videos, Stories, AI Tutor & Flashcards Describes nearly the same job, smaller audience 354 users ★ 4.9
  4. Lingoverse Describes nearly the same job, smaller audience 6 users
  5. Cardemy Extension Describes nearly the same job, smaller audience 81 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.