Is Wortmühle safe?

Wortmühle ("word mill") is a daily German word puzzle: build as many German words as you can from the nine letters on the 3×3 mill board. Every word must use the center letter, and every puzzle contains at least one pangram — a word using all nine letters. Features: • One new puzzle every day, with the last seven days replayable • 2500 puzzles built in — one a day for almost seven years, fully of…

Developer: Björn Hüpping
Category: Word Game
Earliest archived version: 23 Aug 2026
License: GPL-3.0-only (per F-Droid metadata)

02 / Release notes

Release notes from F-Droid

23 Aug 2026

1.2

The app now requests no permissions at all — the network permission is gone too. Word definitions ship inside the app and work offline; tap the Wiktionary link to read more in your browser. The puzzle pool was revised: unwanted solution words are gone, along with proper names and incorrectly…

Full notes →

03 / Package identity

Technical fingerprint

Application IDde.huepping.wortmuehle

Latest APK SHA-256e4141a93ee45c56c095e6fba78d76e449a7bf353033bcc602a0fa6500cf033be

Signing certificate96:9A:EA:B6:D8:89:03:53:8D:9F:C3:D5:44:46:D3:C8:25:07:0E:09:A0:1D:75:20:3A:17:86:CB:3D:66:3C:7D

MIN ANDROID22TARGET34ARCHITECTURE

04 / Version archive

Documented releases

1 TOTAL

VersionReleasedAndroidArchitecture

1.223 Aug 202622+→

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

Permissions0 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.

RepositorySource package page↗Source codeSource repository↗