Level, angle, and plumb checks
TrueLevel
Turn your iPhone into a practical bubble level, angle finder, and protractor for carpentry, installation, and DIY checks.
Bubble level
Check surface level with live dual-axis degree readouts.
Angle finder
Read angles, percent grade, and rise-to-run from one clear display.
TrueLevel Pro
Unlock plumb mode, saved readings, lock and hold, and haptic confirmation with one purchase.
Measurements depend on device sensors, placement, case, and calibration. Use professional tools for safety-critical work.