The One Minute Changes app, developed by Justin Guitar Ltd, is a free app designed to assist beginner guitarists who are following Justin Guitar's Beginner's Course. The app enables users to track the number of chord changes they can perform within a minute.

This app includes all the chords taught in the course, and users also have the option to add their own chords. In addition to tracking progress, the app provides statistics on chord changes and automatically identifies the chords that users struggle with the most, if requested.

For beginner guitarists looking for a tool to enhance their chord changing abilities, One Minute Changes is a valuable resource. And if you enjoy this app, be sure to explore other apps developed by Justin Guitar Ltd.