A simple, user-friendly and accurate Ruler for your phone! Use a coin or a credit card to calibrate the ruler anywhere, when you don't have a real ruler with you! Ad free, for real, forever! Pick your units: fractional inches, decimal inches, centimeters or millimeters. Calibrate your ruler with a credit card to get you started anytime, anywhere.
Xalpha Lab is the creator of Ruler that can be found in the Tools category. The developer released a new version of the app on Nov 14, 2018 and over 1M users downloaded and installed this application. Google Play shows that Ruler is rated 4.5 by its users.