# Retain Cards: AI Flashcards

> 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/retain-cards

- Package: `cards.retain.app.production`
- Developer: Retain Labs
- Category: Education
- Platform: Android (Google Play)
- Released: Sep 25, 2025
- Lifetime downloads: 272,652 (updated 2026-09-21)
- What the store shows instead: 100,000+
- Rating: 4.39 from 13,132 ratings
- Downloads added: none — the counter held between 2026-09-20 and 2026-09-21
- Readings kept: 40 (2026-08-04 → 2026-09-21)
- Chart positions on 2026-09-22 (Top Free): #19 DE, #27 CH, #29 AT, #29 CI, #32 BF, #39 TG, #41 CG, #44 BJ (best 8 shown) — charts in 22 of 203 markets scanned

### Latest readings

| Date (UTC) | Lifetime downloads | Added |
|---|---:|---:|
| 2026-09-13 | 257,820 | — |
| 2026-09-14 | 257,820 | held |
| 2026-09-17 | 265,503 | +7,683 over 3 days |
| 2026-09-18 | 272,250 | +6,747 |
| 2026-09-19 | 272,339 | +89 |
| 2026-09-20 | 272,652 | +313 |
| 2026-09-21 | 272,652 | held |

"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 40 readings. Signed-in followers see the full curve from the day they followed.

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