Measuring tools that show how sure they are.

Tolera makes measuring tools for Android. Every reading comes with its ± uncertainty. The apps work offline, need no account, and don't collect your data.

Apps

• LevelBubble level and clinometer, with a 2-step calibration that needs no level surface. Coming soon to Google Play.
• Sound MeterDecibel meter that shows its accuracy, with calibration and USB measurement microphones. In development.