Privacy Friendly Ruler

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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 Technische Universität Darmstadt. More information can be found an

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.


Last Updated: February 21, 2017 Number of Downloads 100 - 500
Current Version 1.1 Content Rating USK: All ages
File Size OS Version 4.2 and up
Interactive Elements In-App Products
Download: Google Apps