maintained
Calculate
com.rechnen.apptrain mental calculation
Latest documented release3.125 Sept 2025 · 2.9 MB→01 / Overview
Is Calculate safe?
A simple mental calculation trainer with this features: - contains the four elementary arithmetic operations and the prime factorization - configurable task types and diffculty - configurable number input field - statistic about the performance - multi user support - time trial mode (solve as many tasks as possible within a defined time) with tasks depending on the wall clock time so that one can…
- Developer
- rechnen
- Category
- Educational Game
- First release
- 25 Sept 2025
- License
- Not documented
02 / Package identity
Technical fingerprint
Application ID
com.rechnen.appLatest APK SHA-256
fbe87207c770a9df4fdf9231cea459287ca6fe4b38aaf580d08a8d3f7399c410Signing certificate
5F:1A:B4:B0:95:46:E0:A9:71:BC:94:C2:9A:5A:DC:FF:1B:5B:99:A7:27:9A:72:34:D2:EB:16:CF:CF:2A:8B:86MIN ANDROID23TARGET36ARCHITECTUREarm64-v8a · armeabi-v7a · x86 · x86_64
03 / History
Project timeline
Package observed in source index
Metadata and versions observed from the fdroid repository index.
04 / Version archive
Documented releases
1 TOTALVersionReleasedAndroidArchitecture
3.123+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
Tracker status: Not assessed by WIKI for Android.
06 / Sources
Evidence ledger
Each entry is a captured public reference backing this record.