Ruler (PFA)
Turns your device into a ruler.
SECUSO Research Group · org.secuso.privacyfriendlyrulerapp
UpdatedApr 21, 2025
PublishedOct 29, 2023
Packageorg.secuso.privacyfriendlyrulerapp
MD5bc1acf43395970e0089f9f7b6569dbe5
SHA1 (signer)CE:01:A6:12:18:B9:7A:C4:DE:AA:75:DA:4E:5A:FB:DA:05:9D:FF:20
Signed byCN=Philipp Rack
Malware scanTRUSTED
Websitehttps://www.secuso.org
Contact[email protected]
Privacy policyView
What's new
Updates to Android 14.
Description
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.
You can reach us via
Twitter - @SECUSOResearch (https://twitter.com/secusoresearch)
Mastodon - @SECUSO_Research@bawü.social (https://xn--baw-joa.social/@SECUSO_Research/)
Job opening - https://secuso.aifb.kit.edu/english/Job_Offers_1557.php
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.
You can reach us via
Twitter - @SECUSOResearch (https://twitter.com/secusoresearch)
Mastodon - @SECUSO_Research@bawü.social (https://xn--baw-joa.social/@SECUSO_Research/)
Job opening - https://secuso.aifb.kit.edu/english/Job_Offers_1557.php
Required features
- Faketouch android.hardware.faketouch
- Screen Portrait android.hardware.screen.portrait
