ON Ruler

ON RULER is a helpful measuring tool for quick measure of small object's length. It helps you to measure the dimension of objects conveniently and accurately with your phone at anytime and anywhere. It combines two important ruler measuring modes in one app, which is 2-Lines Ruler and 4-Lines Ruler. You can also switch the ruler's length unit between millimeter and inch by a click.

KEY FEATURES

★ 2 Ruler modes: 2-Line Ruler and 4-Lines Ruler

Object area calculation (All ruler modes)