Ruler (Privacy Friendly)
(SECUSO) On the fly measurements with your Smartphone as ruler or protractor.
| AppID: | org.secuso.privacyfriendlyruler |
| Author: | SECUSO - Security Usability Society |
| License: | GPL-3.0-only |
| InRepoSince: | 2016-12-14 |
| LastRepoUpdate: | 2025-07-21 |
| LastAppUpdate: | Unknown |
| LastVersion: | 1.1.4 |
| Categories: | Multimedia |
| Google Play: | Check if it's there |
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 permissions
Privacy Friendly Ruler does not require any permissions.
2. No advertisement
Many other free apps in the Google Play Store dazzle annoying advertising and also shortens battery life.
Feel free to contact us via:
Bluesky - @secusoresearch.bsky.social https://bsky.app/profile/secusoresearch.bsky.social
Mastodon - @SECUSO_Research@bawü.social https://xn--baw-joa.social/@SECUSO_Research/
Job opening - https://secuso.aifb.kit.edu/english/Job_Offers.php
While you can download the APKs here directly, you should preferably use an F-Droid client so the app stays up-to-date on your device.
