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Phantom - Canvas Session Manager

Chrome extension · Productivity · Education

A Chrome extension in Productivity · Education with 30 users, barely installed.

Specific sites only: 1 match pattern.

What the developer says, and 3 screenshots

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

Users
30
Rating
2.3 (3 ratings)
Users, last 15 days
+5
Rating, last 30 days
Not watched long enough to say
Version
1.2.1
Updated in the store
2026-03-31
Published
2026-03-31
Manifest
V3
Browser access
1 permission, 1 site pattern

How it has moved

Users
+5 since 01.09
25-32 · 9 readings
  1. 2026-09-0125
  2. 2026-09-0226
  3. 2026-09-0428
  4. 2026-09-0629
  5. 2026-09-0728
  6. 2026-09-0831
  7. 2026-09-0932
  8. 2026-09-1330
  9. 2026-09-1530
Rating
unchanged since 01.09
reviewsrating 2.33 · 9 readings
  1. 2026-09-01reviews3rating2.33
  2. 2026-09-02reviews3rating2.33
  3. 2026-09-04reviews3rating2.33
  4. 2026-09-06reviews3rating2.33
  5. 2026-09-07reviews3rating2.33
  6. 2026-09-08reviews3rating2.33
  7. 2026-09-09reviews3rating2.33
  8. 2026-09-13reviews3rating2.33
  9. 2026-09-15reviews3rating2.33
Users
+5 since 01.09
25-32 · 9 readings
  1. 2026-09-0125
  2. 2026-09-0226
  3. 2026-09-0428
  4. 2026-09-0629
  5. 2026-09-0728
  6. 2026-09-0831
  7. 2026-09-0932
  8. 2026-09-1330
  9. 2026-09-1530
Rating
unchanged since 01.09
reviewsrating 2.33 · 9 readings
  1. 2026-09-01reviews3rating2.33
  2. 2026-09-02reviews3rating2.33
  3. 2026-09-04reviews3rating2.33
  4. 2026-09-06reviews3rating2.33
  5. 2026-09-07reviews3rating2.33
  6. 2026-09-08reviews3rating2.33
  7. 2026-09-09reviews3rating2.33
  8. 2026-09-13reviews3rating2.33
  9. 2026-09-15reviews3rating2.33

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

Specific sites only: 1 match pattern.

  • https://*.supabase.co/*
  • 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.

Like this one

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

  1. CanvasNinja – Tab Detection Blocker for Canvas Describes nearly the same job, smaller audience 471 users ★ 5.0
  2. Canvas Hack Boost Describes nearly the same job, smaller audience 35 users ★ 5.0
  3. Canvas Tab Switch Blocker | Phantom Describes nearly the same job, smaller audience 86 users
  4. QuizCloak Describes nearly the same job, smaller audience 347 users ★ 5.0
  5. Canvas Crack Describes nearly the same job, smaller audience 96 users ★ 4.3

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.