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Well Tempered is a chromatic instrument tuner, pitch pipe and tuning fork
using your iPhone or iPads speaker and microphone, or an external microphone.

Well Tempered features 268 unique temperaments that you can customize to start with any of 12 notes, totalling 3205 unique tunings!

You can define a precise reference frequency, such as A = 417.32 Hz, making Well Tempered a favourite among instrument makers.

With all these tuning options, Well Tempered provides a keyboard so that you can play with the tuning right away to decide if this is the tuning you want for the music you will play on your instrument.

Control the tuner through your Apple Watch

Made by musicians, for musicians with input from musicians