Paid
Interval Ear Trainer
A full version app for iPhone, by Justin Guitar Ltd.
Justin Guitar Ltd Apps
Featured app for iPhone
One Minute Changes
- Free
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One Minute Changes: A Helpful Tool for Beginner Guitarists
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...
