# Mental Abacus Book 3

> Taken from the public Google Play listing. Every figure below carries the date it was updated.
> Nothing is modelled or estimated. A new collection starts at 00:00 UTC daily and takes several hours; an individual app's reading lands at some point inside that window.

Source page: https://appcurves.com/app/mental-abacus-book-3

- Package: `com.hamsterforce.mentalabacus3`
- Developer: Hamster Force Multimedia Ltd.
- Category: Education
- Platform: Android (Google Play)
- Released: Jul 29, 2016
- Lifetime downloads: 77 (updated 2026-09-12)
- What the store shows instead: 50+
- Rating: not published on the listing
- Downloads added: none — the counter held between 2026-09-05 and 2026-09-12
- Readings kept: 10 (2026-08-10 → 2026-09-12)

### Latest readings

| Date (UTC) | Lifetime downloads | Added |
|---|---:|---:|
| 2026-08-15 | 77 | — |
| 2026-08-18 | 77 | held over 3 days |
| 2026-08-21 | 77 | held over 3 days |
| 2026-08-22 | 77 | held |
| 2026-08-29 | 77 | held over 7 days |
| 2026-09-05 | 77 | held over 7 days |
| 2026-09-12 | 77 | held over 7 days |

"held" means Google's own counter showed the same figure as the day before — it is a real reading, not a missed one. A multi-day "Added" spans two real readings; the days between were not read.

Showing the latest 7 of 10 readings. Signed-in followers see the full curve from the day they followed.

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Site last completed a reading on 2026-09-21. AppCurves is not real-time.
When citing, include the reading date. https://appcurves.com/faq answers where the figure comes from.