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Mental Calculation Game

Chrome extension by pedrosarkisverani · Lifestyle · Games

A Chrome extension in Lifestyle · Games with 6 users, barely installed.

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

What the developer says, and 1 screenshot

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

Users
6
Rating
not rated yet
Users, last 15 days
unchanged
Version
1.1
Updated in the store
2025-03-06
Published
2024-10-19
Manifest
V3
Browser access
1 permission

How it has moved

Users
unchanged since 31.08
6-7 · 8 readings
  1. 2026-08-316
  2. 2026-09-027
  3. 2026-09-046
  4. 2026-09-057
  5. 2026-09-076
  6. 2026-09-087
  7. 2026-09-096
  8. 2026-09-146
Users
unchanged since 31.08
6-7 · 8 readings
  1. 2026-08-316
  2. 2026-09-027
  3. 2026-09-046
  4. 2026-09-057
  5. 2026-09-076
  6. 2026-09-087
  7. 2026-09-096
  8. 2026-09-146

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

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

pedrosarkisverani publishes 7 listings we track, 2k users between them.

  1. Whatsapp Plus pedrosarkisverani · Productivity · Tools · published 2024-10-23 1k users ★ 4.7
  2. 10FastFingers Automator pedrosarkisverani · Lifestyle · Entertainment · published 2024-09-11 810 users ★ 4.4
  3. Stonegy Hunt Automation pedrosarkisverani · Lifestyle · Games · published 2026-07-02 23 users ★ 5.0
Show 3 more from this publisher
  1. eProc Consulta Helper pedrosarkisverani · Productivity · Tools · published 2026-03-31 21 users
  2. Identificador de batidas ímpares no Ponto Mais pedrosarkisverani · Productivity · Tools · published 2024-10-31 4 users
  3. Extensao - Gladiatus pedrosarkisverani · Lifestyle · Games · published 2024-10-30 3 users

Like this one

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

  1. Math Booster Describes nearly the same job, smaller audience 3 users (last published figure)
  2. Math for Brain Describes nearly the same job, smaller audience 13 users ★ 5.0
  3. Math Practice Describes nearly the same job, smaller audience 6 users
  4. Math Game Describes nearly the same job, smaller audience 5 users (last published figure)
  5. Quick addition Describes nearly the same job, smaller audience 71 users

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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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.