A robust app with custom widgets for tuning, metronomes, and audio recording.

Nearly 11 years into the App Store, it isn’t often that an app surfaces that does something unexpected which no one else seems to be doing, but Perfect Tempo by developer Open Planet does precisely ...

Sometimes the tempo is shown on music scores using numbers. This number is the amount of beats per minute (BPM). So the higher the number, the faster the tempo. 60BPM is one beat per second.