maintained
Ruler (Privacy Friendly)
org.secuso.privacyfriendlyruler(SECUSO) On the fly measurements with your Smartphone as ruler or protractor.
Latest documented release1.1.421 Jul 2025 · 6.1 MB→01 / Overview
Is Ruler (Privacy Friendly) safe?
Privacy Friendly Ruler can display a ruler or protractor at the edge of the display. This enables on the fly measurements with the smartphone. It belongs to the Privacy Friendly Apps group developed by the research group SECUSO at Karlsruhe Institute of Technology. More information can be found an secuso.org/pfa/ What makes Privacy Friendly Ruler different from other similar apps? 1. No permissio…
- Developer
- SECUSO - Security Usability Society
- Category
- Multimedia
- Earliest archived version
- 21 Jul 2025
- License
- GPL-3.0-only (per F-Droid metadata)
02 / Package identity
Technical fingerprint
Application ID
org.secuso.privacyfriendlyrulerLatest APK SHA-256
aa4f1096a4131fd7673f9fea8897598c34b935703a78b1b753c3a104579ea351Signing certificate
3A:FF:CD:F2:AF:47:E2:47:3A:3A:9E:C5:0B:AC:8E:2B:B4:5D:26:D9:03:E7:0A:D7:DC:7E:36:0B:94:2A:38:42MIN ANDROID17TARGET34ARCHITECTURE
03 / Version archive
Documented releases
1 TOTALVersionReleasedAndroidArchitecture
1.1.417+→04 / 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.
05 / Sources
Evidence ledger
Each entry is a captured public reference backing this record.