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Chrome extension by Hermione666 · Productivity · Tools

A Chrome extension in Productivity · Tools with 142 users, barely installed. Audience over the last 30 days: -43.

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
142
Rating
not rated yet
Users, last 30 days
-43
Version
1.0
Updated in the store
2024-05-11
Published
2024-05-11
Manifest
V3
Browser access
1 permission

How it has moved

Users
-43 since 03.10
142-207 · 19 readings
  1. 2026-10-04173
  2. 2026-10-08182
  3. 2026-10-09172
  4. 2026-10-10175
  5. 2026-10-11172
  6. 2026-10-13176
  7. 2026-10-16200
  8. 2026-10-17202
  9. 2026-10-18207
  10. 2026-10-20203
  11. 2026-10-21199
  12. 2026-10-22196
  13. 2026-10-23186
  14. 2026-10-25176
  15. 2026-10-28167
  16. 2026-10-29158
  17. 2026-10-30155
  18. 2026-11-01142
  19. 2026-11-02142
Users
-43 since 31.08
142-215 · 32 readings
  1. 2026-08-31185
  2. 2026-09-02187
  3. 2026-09-04185
  4. 2026-09-06168
  5. 2026-09-08172
  6. 2026-09-09179
  7. 2026-09-13175
  8. 2026-09-15174
  9. 2026-09-20198
  10. 2026-09-21205
  11. 2026-09-25215
  12. 2026-09-26193
  13. 2026-09-28185
  14. 2026-10-04173
  15. 2026-10-08182
  16. 2026-10-09172
  17. 2026-10-10175
  18. 2026-10-11172
  19. 2026-10-13176
  20. 2026-10-16200
  21. 2026-10-17202
  22. 2026-10-18207
  23. 2026-10-20203
  24. 2026-10-21199
  25. 2026-10-22196
  26. 2026-10-23186
  27. 2026-10-25176
  28. 2026-10-28167
  29. 2026-10-29158
  30. 2026-10-30155
  31. 2026-11-01142
  32. 2026-11-02142

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.

  • 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

Hermione666.

Like this one

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

  1. Smart Zetamac Coach Describes nearly the same job, smaller audience 10 users
  2. Zetamac Performance Tracker Describes nearly the same job, smaller audience 66 users
  3. ZetaLog Describes nearly the same job, smaller audience 82 users
  4. BrainBoost Math Describes nearly the same job, smaller audience 6 users ★ 5.0
  5. Quantercise Mental Math Describes a similar job, smaller audience 24 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 2026-11-01. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built