Apps

Freq'n Awesome Tone Generator
Generate precise test tones from 1 Hz to 22 kHz for checking speakers and sound systems. Freq'n Truth Speaker Tester
Measure your speakers' frequency response with a chirp sweep and your phone's microphone. Woo Woo Frequency Generator
Layer solfeggio, binaural and custom tones for meditation, focus and relaxation. Sacred Geometry Visualizer
Audio-reactive sacred geometry visuals for your music, with live wallpaper support.