Peter Deelstra

An easy-to-use accurate audio/visual tuner for your guitar. Provides a simple interface to visually

An easy to use and accurate audio/visual metronome for your iPhone and iPad. Keeping tempo has never

A flexible tone generator.- Generate tones between 20 Hz and 15000 Hz in 0.1 Hz increments - Adjust

An easy-to-use accurate visual chromatic tuner for your instruments. Best for higher pitch instrumen

An easy-to-use accurate audio/visual tuner for your guitar. Provides a simple interface to visually