Free Ruler 2.0

A ruler application for macOS



Download the latest version from GitHub or the Mac App Store.

Compatible with macOS Catalina, Mojave, High Sierra, and Sierra. Your feeback is welcome!

Older versions


See the list of open issues. For feature requests, open a new issue.


As this is my first Cocoa application, any help is appreciated!

If you have experience with Mac app development in Swift, please look at the help wanted issues.

Or you can make a donation.