Is Zahlenschatzjagd safe?

Zahlenschatzjagd ("number treasure hunt") lets children in their first two school years practise maths on their own – offline, without ads and without a single permission. It is made for children who cannot read yet: pictures and a voice that reads everything aloud show the way. The app and all its texts are in German only. It follows the maths curriculum for primary schools in North Rhine-Westph…

Developer: GlasiDe
Category: Educational Game
Earliest archived version: 16 Oct 2026
License: GPL-3.0-or-later (per F-Droid metadata)

02 / Release notes

Release notes from F-Droid

16 Oct 2026

2.0.3

Die App ist zum Herunterladen deutlich kleiner geworden: rund 25 statt 32 MB. Für Kinder und Eltern ändert sich sonst nichts, der Fortschritt bleibt beim Aktualisieren erhalten.

Full notes →

03 / Package identity

Technical fingerprint

Application IDio.github.glaside.zahlenschatzjagd

Latest APK SHA-2561d61ae7522704c19cad514e2184b4361a9126756408ddafc98d6171e0556c294

Signing certificate43:28:28:72:CD:28:EC:75:7D:E3:28:69:7E:9E:27:6F:89:10:92:AC:AE:98:E9:88:44:8C:22:D0:7B:33:30:A2

MIN ANDROID26TARGET36ARCHITECTUREarm64-v8a · armeabi-v7a · x86 · x86_64

04 / Version archive

Documented releases

1 TOTAL

VersionReleasedAndroidArchitecture

2.0.316 Oct 202626+arm64-v8a, armeabi-v7a, x86, x86_64→

05 / Safety & access

Safety verdict

Authentic — file hash matches the source indexNo ads or tracking flagged by the source

IntegritySHA-256 verified vs source

SourceOpen-source · fdroid

Permissions1 declared · 0 sensitive

Signaturepresent

Anti-featuresNo known anti-features

Sensitive accessNo sensitive permissions

Declared permissions

io.github.glaside.zahlenschatzjagd.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

Tracker status: Not assessed by WIKI for Android.

06 / Sources

Evidence ledger

Each entry is a captured public reference backing this record.

RepositorySource package page↗Source codeSource repository↗