# 電験三種 理論ドリル − 計算問題を無限演習

> 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.kozawamoeki.denken_riron

- Package: `com.kozawamoeki.denken_riron`
- Developer: Moeki Kozawa
- Category: Business
- Platform: Android (Google Play)
- Released: Jul 11, 2026
- Lifetime downloads: 10 (updated 2026-08-16)
- What the store shows instead: 10+
- Rating: not published on the listing
- Downloads added: 6 across 4 days (2026-08-12 → 2026-08-16; a reading is missing in between)
- Readings kept: 2 (2026-08-12 → 2026-08-16)

### Latest readings

| Date (UTC) | Lifetime downloads | Added |
|---|---:|---:|
| 2026-08-12 | 4 | — |
| 2026-08-16 | 10 | +6 over 4 days |

A multi-day "Added" spans two real readings; the days between were not read.

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