Rechenzwerge
de.happybuers.rechenzettel
android GPL-3.0-or-later kind 32267
Counting and math practice for preschool and elementary school.
latest release
0.1.66
main
released 2026-10-26 21:48 UTC
download apk
app-arm64-v8a-release.apk · 9.9 MB
✓ signed
cert 5abfb05f…
about
- description
- Rechenzwerge is a practice app for preschool and elementary school kids. Practice math - Number range up to 10, 20, 100 or 1000 - Addition, subtraction, multiplication and division - Practice sessions with 10, 50 or 100 tasks - Mistakes are fine: try again or show the solution Practice counting (for the youngest) - Count quantities up to 5, 10 or 20 – no digits, no reading - Answer by tapping dice faces instead of numbers - Two modes: dice pips or counting board Motivation - Build your own mascot (colors, head, accessories) that cheers you on And also - No ads, no tracking, no permissions - All practice data stays on the device
- publisher
- 78ce6faa72264387284e647ba6938995735ec8c7d5c5a65737e55130f026307d
- first seen
- 2026-10-15T08:54:03.864925+00:00
- last event
- 2026-10-26 21:48 UTC
- website
- https://rechenzwerge.vercel.app
- install
- zapstore.dev or any Zapstore-compatible client
- topics
- #educational game
source & build
- repository
- https://gitlab.com/dawasch/rechenzettel-app
- arch flags
- android-arm64-v8a
- manifest
- error
releases (kind 30063)
3 releases indexed; latest 0.1.66.
| version | channel | released | event |
|---|---|---|---|
| 0.1.66 | main | 2026-10-26 21:48 UTC | 02016a3d… |
| 0.1.60 | main | 2026-10-19 09:44 UTC | 67db0cae… |
| 0.1.58 | main | 2026-10-10 21:30 UTC | 25009ac4… |
assets & verification
Every app, release and asset event is schnorr-verified (NIP-01 id + signature) before it enters the catalog, and assets are content-addressed by sha256. We subscribe read-only to the catalog relay — never write to it.
0.1.66 — app-arm64-v8a-release.apk
- sha256
- 81496ae2ead51ae116cc68b400be2227735c49c180293bf85dd11670338ed32c
- size
- 9.9 MB
- archs
- android-arm64-v8a
- version code
- 2066
- apk cert sha256
- 5abfb05fc9cdab0ffaabc839be334e77c144878b68474ee0d1a70f3246eb0474
- download
- app-arm64-v8a-release.apk
0.1.60 — app-arm64-v8a-release.apk
- sha256
- 118b62962b99ba292bf701a4c78bb83415442258a19e56b6de32606a16c5b7ce
- size
- 9.2 MB
- archs
- android-arm64-v8a
- version code
- 2060
- apk cert sha256
- 5abfb05fc9cdab0ffaabc839be334e77c144878b68474ee0d1a70f3246eb0474
- download
- app-arm64-v8a-release.apk
0.1.58 — app-arm64-v8a-release.apk
- sha256
- 3ba33fdd24a638595717d1472072ef19a0f3f5efca970dadacd13b99d2217925
- size
- 9.1 MB
- archs
- android-arm64-v8a
- version code
- 2058
- apk cert sha256
- 5abfb05fc9cdab0ffaabc839be334e77c144878b68474ee0d1a70f3246eb0474
- download
- app-arm64-v8a-release.apk
Showing the newest 3 asset descriptors; the full set is in /api/apps/78ce6faa…