Measure lengths with a ruler supporting metric and imperial units. Detect ambient noise levels using a decibel meter. Use a protractor tool to measure angles via the camera. Calibrate screens for accurate color display.
by 飞剑 姚★ 4.576 ratingsUtilitiesFreeData updated 2026-09-11
Measure surfaces or objects for horizontal alignment. Place device on surface to check . Surface color changes to green for horizontal, grey otherwise.
Distances using phone camera without a physical ruler. Tap screen to set points and view real-time measurements. Track multiple points and get instant readings between objects.