Ruler by Crunchy ByteBox is a simple utility tool for Android devices that allows users to measure length in both inches and centimeters. The application comes with a ruler adjustment feature that enables users to calibrate the ruler according to their device's screen size and resolution.

In addition to its basic features, Ruler also includes a conversion table that converts inches to centimeters and vice versa. Users can also choose their favorite color for the ruler and adjust the transparency to suit their preferences. The app is free to download and use, and it is an excellent tool for anyone who needs to measure length on the go.

Overall, Ruler is a well-designed and easy-to-use application that provides accurate length measurements in both inches and centimeters. With its adjustable ruler and conversion table, users can easily switch between measurement units. The app's customizable features also make it a convenient tool for anyone who needs to measure length frequently.