Simple Ruler is a straightforward and easy-to-use app that displays a ruler on your screen. Whether you need to measure in inches or centimeters/millimeters, this app has you covered.

For accurate measurements, you may need to calibrate the app if there is no pre-existing data for your device. Calibration is quick and easy using another ruler or a credit card, as all credit cards are a standard size.

Perfect for quick measurements on the go, Simple Ruler is your reliable tool for precision and convenience.