For players
A chord library, a tuner, a metronome and a chord finder.
Four apps for guitar and piano, on iPhone and iPad. Each does one thing, on your device, without an account — free to try, one-off unlock, no subscription.
The apps
Guides
What the apps are for, written for the question you came in with.
- Guide · Chordology Guitar chord shapes, and how to see the pattern under them
- Guide · Centz How to tune a guitar, and what the numbers on the tuner mean
- Guide · Pendl Odd meters and polyrhythms, one click at a time
- Guide · Rechord What chord is this? Working it out by ear, and letting the phone do it