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PrepPanel: Classroom Manager

Chrome extension by PrepPanel · Productivity · Education

  • Trader

A Chrome extension in Productivity · Education with 530 users, barely installed. Audience over the last 30 days: -111.

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

What the developer says, and 5 screenshots

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

Users
530
Rating
5.0 (1 ratings)
Users, last 30 days
-111
Rating, last 30 days
Steady over 30 days
Version
3.7.9
Updated in the store
2026-09-21
Published
2025-06-30
Manifest
V3
Browser access
2 permissions

How it has moved

Users
-111 since 06.10
339-712 · 20 readings
  1. 2026-10-08712
  2. 2026-10-09676
  3. 2026-10-10612
  4. 2026-10-13628
  5. 2026-10-16653
  6. 2026-10-17626
  7. 2026-10-18608
  8. 2026-10-20599
  9. 2026-10-21651
  10. 2026-10-22673
  11. 2026-10-23660
  12. 2026-10-24685
  13. 2026-10-25682
  14. 2026-10-28649
  15. 2026-10-29569
  16. 2026-10-30443
  17. 2026-11-01341
  18. 2026-11-02339
  19. 2026-11-04530
  20. 2026-11-05530
Rating
unchanged since 06.10
reviewsrating 5.00 · 20 readings
  1. 2026-10-08reviews1rating5.00
  2. 2026-10-09reviews1rating5.00
  3. 2026-10-10reviews1rating5.00
  4. 2026-10-13reviews1rating5.00
  5. 2026-10-16reviews1rating5.00
  6. 2026-10-17reviews1rating5.00
  7. 2026-10-18reviews1rating5.00
  8. 2026-10-20reviews1rating5.00
  9. 2026-10-21reviews1rating5.00
  10. 2026-10-22reviews1rating5.00
  11. 2026-10-23reviews1rating5.00
  12. 2026-10-24reviews1rating5.00
  13. 2026-10-25reviews1rating5.00
  14. 2026-10-28reviews1rating5.00
  15. 2026-10-29reviews1rating5.00
  16. 2026-10-30reviews1rating5.00
  17. 2026-11-01reviews1rating5.00
  18. 2026-11-02reviews1rating5.00
  19. 2026-11-04reviews1rating5.00
  20. 2026-11-05reviews1rating5.00
Users
+146 since 01.09
339-712 · 31 readings
2026-09-09: released 3.7.72026-09-11: released 3.7.82026-09-21: released 3.7.9
  1. 2026-09-01384
  2. 2026-09-02409
  3. 2026-09-05441
  4. 2026-09-08455
  5. 2026-09-10445
  6. 2026-09-13481
  7. 2026-09-15486
  8. 2026-09-17574
  9. 2026-09-21598released 3.7.9
  10. 2026-09-25667
  11. 2026-09-27641
  12. 2026-10-08712
  13. 2026-10-09676
  14. 2026-10-10612
  15. 2026-10-13628
  16. 2026-10-16653
  17. 2026-10-17626
  18. 2026-10-18608
  19. 2026-10-20599
  20. 2026-10-21651
  21. 2026-10-22673
  22. 2026-10-23660
  23. 2026-10-24685
  24. 2026-10-25682
  25. 2026-10-28649
  26. 2026-10-29569
  27. 2026-10-30443
  28. 2026-11-01341
  29. 2026-11-02339
  30. 2026-11-04530
  31. 2026-11-05530
Rating
unchanged since 01.09
reviewsrating 5.00 · 31 readings
2026-09-09: released 3.7.72026-09-11: released 3.7.82026-09-21: released 3.7.9
  1. 2026-09-01reviews1rating5.00
  2. 2026-09-02reviews1rating5.00
  3. 2026-09-05reviews1rating5.00
  4. 2026-09-08reviews1rating5.00
  5. 2026-09-10reviews1rating5.00
  6. 2026-09-13reviews1rating5.00
  7. 2026-09-15reviews1rating5.00
  8. 2026-09-17reviews1rating5.00
  9. 2026-09-21reviews1rating5.00released 3.7.9
  10. 2026-09-25reviews1rating5.00
  11. 2026-09-27reviews1rating5.00
  12. 2026-10-08reviews1rating5.00
  13. 2026-10-09reviews1rating5.00
  14. 2026-10-10reviews1rating5.00
  15. 2026-10-13reviews1rating5.00
  16. 2026-10-16reviews1rating5.00
  17. 2026-10-17reviews1rating5.00
  18. 2026-10-18reviews1rating5.00
  19. 2026-10-20reviews1rating5.00
  20. 2026-10-21reviews1rating5.00
  21. 2026-10-22reviews1rating5.00
  22. 2026-10-23reviews1rating5.00
  23. 2026-10-24reviews1rating5.00
  24. 2026-10-25reviews1rating5.00
  25. 2026-10-28reviews1rating5.00
  26. 2026-10-29reviews1rating5.00
  27. 2026-10-30reviews1rating5.00
  28. 2026-11-01reviews1rating5.00
  29. 2026-11-02reviews1rating5.00
  30. 2026-11-04reviews1rating5.00
  31. 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

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

The full permission history for this extension

Version history

  1. Version 3.7.9
  2. Version 3.7.8
  3. Version 3.7.7

What changed recently

  1. Package size changed
  2. Released version 3.7.9 (was 3.7.8)
  3. Package size changed
Show the remaining 3
  1. Released version 3.7.8 (was 3.7.7)
  2. Package size changed
  3. Released version 3.7.7 (was 3.7.6)

The publisher

PrepPanel.

Like this one

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

  1. Teacher Tools Describes nearly the same job, smaller audience 19 users
  2. ClassPop — Random Picker, Teams & Classroom Tools Describes nearly the same job, smaller audience 14 users ★ 5.0
  3. Maestro21 Tools para Profesores Describes nearly the same job, smaller audience 32 users ★ 5.0
  4. Classroom Toolkit — Timer & Name Picker Describes nearly the same job, smaller audience 18 users
  5. Owler Classroom Extension Describes nearly the same job, smaller audience 4 users (last published figure)

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 2026-11-04. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built