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Schulte Grid Trainer

Chrome extension by zhangyongjun · Productivity · Education

A Chrome extension in Productivity · Education with 10 users, barely installed. Audience over the last 30 days: +2.

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
10
Rating
not rated yet
Users, last 30 days
+2
Version
1.0.1
Updated in the store
2026-06-14
Published
2026-06-09
Manifest
V3
Browser access
3 permissions

How it has moved

Users
+2 since 30.09
6-10 · 12 readings
  1. 2026-10-086
  2. 2026-10-099
  3. 2026-10-108
  4. 2026-10-179
  5. 2026-10-1810
  6. 2026-10-199
  7. 2026-10-208
  8. 2026-10-219
  9. 2026-10-228
  10. 2026-10-249
  11. 2026-10-2910
  12. 2026-10-3010
Users
+1 since 31.08
6-10 · 21 readings
  1. 2026-08-319
  2. 2026-09-047
  3. 2026-09-058
  4. 2026-09-077
  5. 2026-09-098
  6. 2026-09-159
  7. 2026-09-178
  8. 2026-09-209
  9. 2026-09-218
  10. 2026-10-086
  11. 2026-10-099
  12. 2026-10-108
  13. 2026-10-179
  14. 2026-10-1810
  15. 2026-10-199
  16. 2026-10-208
  17. 2026-10-219
  18. 2026-10-228
  19. 2026-10-249
  20. 2026-10-2910
  21. 2026-10-3010

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

zhangyongjun publishes 4 listings we track, 53 users between them.

  1. DevPost - API Debugger for DevTools zhangyongjun · Productivity · Developer · published 2026-06-16 27 users
  2. Salary Tracker zhangyongjun · Lifestyle · Fun · published 2026-06-11 10 users
  3. Pomodoro Clock · Focus Timer Assistant zhangyongjun · Productivity · Tools · published 2026-06-03 6 users

Like this one

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

  1. Dual N Back Describes nearly the same job, smaller audience 39 users ★ 5.0
  2. BrainBoost Math Describes nearly the same job, smaller audience 6 users ★ 5.0
  3. CountDown Pro Describes nearly the same job, smaller audience 25 users (last published figure)
  4. Return — 60s ADHD Focus Training Describes nearly the same job, smaller audience 2 users (last published figure)
  5. Study Realm Describes nearly the same job, smaller audience 5 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 2026-10-29. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built