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Directory/Educational Game/RechenzwergeSOURCE-BACKED RECORD
Rechenzwerge app icon
maintained

Rechenzwerge

de.happybuers.rechenzettel

Counting and math practice for preschool and elementary school.

Latest documented release0.1.5814 Oct 2026 · 9.1 MB→

01 / Overview

Is Rechenzwerge safe?

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 dic…

Earliest archived version
14 Oct 2026
License
GPL-3.0-or-later (per F-Droid metadata)

02 / Release notes

Release notes from F-Droid

0.1.58

Tap a sticker: detail view with read-aloud and 'Make it my mascot'. Once the album is full there is a celebration, a gold badge and sparkly stickers. New: achievements for practice days and solved tasks.

Full notes →

03 / Package identity

Technical fingerprint

Application IDde.happybuers.rechenzettel
Latest APK SHA-2563ba33fdd24a638595717d1472072ef19a0f3f5efca970dadacd13b99d2217925
Signing certificate5A:BF:B0:5F:C9:CD:AB:0F:FA:AB:C8:39:BE:33:4E:77:C1:44:87:8B:68:47:4E:E0:D1:A7:0F:32:46:EB:04:74
MIN ANDROID24TARGET36ARCHITECTUREarm64-v8a

04 / Version archive

Documented releases

1 TOTAL
VersionReleasedAndroidArchitecture
0.1.5824+arm64-v8a→

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

Tracker status: Not assessed by WIKI for Android.

06 / Sources

Evidence ledger

Each entry is a captured public reference backing this record.