Peter Deelstra

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GuiTune - Guitar Tuner!
Paid
An easy-to-use accurate audio/visual tuner for your guitar. Provides a simple interface to visually check whether the pitch for each string is low...
Android
Tuner
Paid
An easy-to-use accurate visual chromatic tuner for your instruments.
iOS
Tone Generator!
Paid
A flexible tone generator. Generate tones between 20 Hz and 15000 Hz in 0.1 Hz increments Adjust tones while they are playing Play up to 12...
iOS
Guitar Tuner
Paid
An easy-to-use accurate audio/visual tuner for your guitar.
iOS
Metronome
Paid
An easy to use and accurate audio/visual metronome for your iPhone and iPad.
iOS