Bubble Level

Bubble Level turns your phone into a precise spirit level with a liquid bubble that is fun to watch: move fast and it splits into droplets, hold still and it flows back together.

- Surface level: lay your phone flat to level tables, shelves and appliances
- Edge level: stand your phone on any edge to hang frames and mount shelves
- Angle finder: measure slopes in degrees and percent
- Calibrate against any known-level surface for maximum accuracy
- Beep and vibration when you hit level, with adjustable tolerance
- Hold button to freeze a reading
- No ads. No tracking. No internet access needed at all. Pay once, level forever.
- Updates for free, forever.