# កំណែប្រវត្តិវិទ្យា ថ្នាក់ទី១២

> 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/com.lengpanha.answer.grade12.history

- Package: `com.lengpanha.answer.grade12.history`
- Developer: LENGPANHA
- Category: Education
- Platform: Android (Google Play)
- Released: Aug 23, 2018
- Lifetime downloads: 180,158 (updated 2026-09-14)
- What the store shows instead: 100,000+
- Rating: the listing no longer shows one (last published 3.98 on 2026-09-10)
- Downloads added: 73 across 3 days (2026-09-11 → 2026-09-14; a reading is missing in between)
- Readings kept: 7 (2026-08-08 → 2026-09-14)

### Latest readings

| Date (UTC) | Lifetime downloads | Added |
|---|---:|---:|
| 2026-08-08 | 179,476 | — |
| 2026-08-12 | 179,642 | +166 over 4 days |
| 2026-09-05 | 180,051 | +409 over 24 days |
| 2026-09-06 | 180,051 | held |
| 2026-09-08 | 180,051 | held over 2 days |
| 2026-09-11 | 180,085 | +34 over 3 days |
| 2026-09-14 | 180,158 | +73 over 3 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.

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Site last completed a reading on 2026-09-22. AppCurves is not real-time.
When citing, include the reading date. https://appcurves.com/faq answers where the figure comes from.