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Chrome extension by Mr. Teachnology Inc. · Productivity · Education

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A Chrome extension in Productivity · Education with 1 000 users, a small but real audience. Audience over the last 30 days: unchanged.

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
1 000
Rating
4.4 (5 ratings)
Users, last 30 days
Unchanged (the store rounds this count to 1 000, so it moves only between steps)
Rating, last 30 days
Steady over 30 days
Version
4.1
Updated in the store
2025-09-11
Published
2016-12-06
Manifest
V3
Browser access
3 permissions

How it has moved

Users
unchanged since 07.10
820-1k · 15 readings
  1. 2026-10-09963
  2. 2026-10-10908
  3. 2026-10-11885
  4. 2026-10-13884
  5. 2026-10-16910
  6. 2026-10-18843
  7. 2026-10-19842
  8. 2026-10-21828
  9. 2026-10-22820
  10. 2026-10-23938
  11. 2026-10-24999
  12. 2026-10-27983
  13. 2026-10-291k
  14. 2026-11-03999
  15. 2026-11-061k
Rating
unchanged since 07.10
reviewsrating 4.40 · 15 readings
  1. 2026-10-09reviews5rating4.40
  2. 2026-10-10reviews5rating4.40
  3. 2026-10-11reviews5rating4.40
  4. 2026-10-13reviews5rating4.40
  5. 2026-10-16reviews5rating4.40
  6. 2026-10-18reviews5rating4.40
  7. 2026-10-19reviews5rating4.40
  8. 2026-10-21reviews5rating4.40
  9. 2026-10-22reviews5rating4.40
  10. 2026-10-23reviews5rating4.40
  11. 2026-10-24reviews5rating4.40
  12. 2026-10-27reviews5rating4.40
  13. 2026-10-29reviews5rating4.40
  14. 2026-11-03reviews5rating4.40
  15. 2026-11-06reviews5rating4.40
Users
+223 since 01.09
777-1k · 30 readings
  1. 2026-09-01777
  2. 2026-09-02779
  3. 2026-09-04861
  4. 2026-09-06869
  5. 2026-09-08876
  6. 2026-09-09816
  7. 2026-09-10834
  8. 2026-09-13917
  9. 2026-09-17965
  10. 2026-09-20954
  11. 2026-09-22943
  12. 2026-09-25949
  13. 2026-09-26954
  14. 2026-09-28951
  15. 2026-10-041k
  16. 2026-10-09963
  17. 2026-10-10908
  18. 2026-10-11885
  19. 2026-10-13884
  20. 2026-10-16910
  21. 2026-10-18843
  22. 2026-10-19842
  23. 2026-10-21828
  24. 2026-10-22820
  25. 2026-10-23938
  26. 2026-10-24999
  27. 2026-10-27983
  28. 2026-10-291k
  29. 2026-11-03999
  30. 2026-11-061k
Rating
unchanged since 01.09
reviewsrating 4.40 · 30 readings
  1. 2026-09-01reviews5rating4.40
  2. 2026-09-02reviews5rating4.40
  3. 2026-09-04reviews5rating4.40
  4. 2026-09-06reviews5rating4.40
  5. 2026-09-08reviews5rating4.40
  6. 2026-09-09reviews5rating4.40
  7. 2026-09-10reviews5rating4.40
  8. 2026-09-13reviews5rating4.40
  9. 2026-09-17reviews5rating4.40
  10. 2026-09-20reviews5rating4.40
  11. 2026-09-22reviews5rating4.40
  12. 2026-09-25reviews5rating4.40
  13. 2026-09-26reviews5rating4.40
  14. 2026-09-28reviews5rating4.40
  15. 2026-10-04reviews5rating4.40
  16. 2026-10-09reviews5rating4.40
  17. 2026-10-10reviews5rating4.40
  18. 2026-10-11reviews5rating4.40
  19. 2026-10-13reviews5rating4.40
  20. 2026-10-16reviews5rating4.40
  21. 2026-10-18reviews5rating4.40
  22. 2026-10-19reviews5rating4.40
  23. 2026-10-21reviews5rating4.40
  24. 2026-10-22reviews5rating4.40
  25. 2026-10-23reviews5rating4.40
  26. 2026-10-24reviews5rating4.40
  27. 2026-10-27reviews5rating4.40
  28. 2026-10-29reviews5rating4.40
  29. 2026-11-03reviews5rating4.40
  30. 2026-11-06reviews5rating4.40

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

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

Mr. Teachnology Inc. publishes 7 listings we track, 13k users between them.

  1. Math Tools Mr. Teachnology Inc. · Productivity · Workflow · published 2017-02-23 10k users ★ 3.3
  2. EdShot Mr. Teachnology Inc. · Productivity · Workflow · published 2016-11-27 832 users ★ 4.1
  3. EdScreen Mr. Teachnology Inc. · Productivity · Workflow · published 2016-12-24 446 users ★ 4.0
Show 3 more from this publisher
  1. My Page Mr. Teachnology Inc. · Productivity · Workflow · published 2016-11-16 224 users ★ 4.8
  2. Feedback Clipboard Mr. Teachnology Inc. · Productivity · Education · published 2016-10-22 188 users ★ 5.0
  3. ZoomEd Mr. Teachnology Inc. · Productivity · Workflow · published 2017-06-07 155 users ★ 3.8

Like this one

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

  1. WebInk by Lesson Shuffle Describes nearly the same job, smaller audience 38 users ★ 5.0
  2. InsertLearning Describes nearly the same job, with a large installed audience 700k users ★ 4.3
  3. Annota: draw, highlight and collect Describes nearly the same job, smaller audience 10 users
  4. EduLens Describes nearly the same job, smaller audience 17 users
  5. Smudge Describes nearly the same job, smaller audience 13 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.

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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