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CalcSprint

Chrome extension by ivanuhka4 · Lifestyle · Games

A Chrome extension in Lifestyle · Games with 17 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
17
Rating
not rated yet
Users, last 14 days
+2
Version
1.0.0
Updated in the store
2026-03-25
Published
2026-03-25
Manifest
V3
Browser access
1 permission

How it has moved

Users
+2 since 01.09
15-18 · 9 readings
  1. 2026-09-0115
  2. 2026-09-0217
  3. 2026-09-0416
  4. 2026-09-0616
  5. 2026-09-0817
  6. 2026-09-0918
  7. 2026-09-1016
  8. 2026-09-1317
  9. 2026-09-1417
Users
+2 since 01.09
15-18 · 9 readings
  1. 2026-09-0115
  2. 2026-09-0217
  3. 2026-09-0416
  4. 2026-09-0616
  5. 2026-09-0817
  6. 2026-09-0918
  7. 2026-09-1016
  8. 2026-09-1317
  9. 2026-09-1417

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

ivanuhka4 publishes 5 listings we track, 48 users between them. Listed website: calcsprint.com.

  1. HowLoud — Sound Meter ivanuhka4 · Productivity · Tools · published 2026-06-04 16 users
  2. SPA: SEO Page Audit ivanuhka4 · Productivity · Developer · published 2026-04-11 9 users
  3. Sudoku Play ivanuhka4 · Lifestyle · Games · published 2026-03-26 3 users
Show 1 more from this publisher
  1. PickWinner Tools Coin Flip ivanuhka4 · Lifestyle · Games · published 2026-03-27 3 users

Like this one

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

  1. BrainBoost Math Describes nearly the same job, smaller audience 6 users ★ 5.0
  2. Math Sprint Describes nearly the same job, smaller audience 22 users ★ 5.0
  3. Cognitive Calculations Describes nearly the same job, smaller audience 3 users
  4. Quantercise Mental Math Describes nearly the same job, smaller audience 18 users ★ 5.0
  5. Mental Calculation Game Describes nearly the same job, smaller audience 6 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.