Generate various periodic signals with different waveforms with adjustable frequency and amplitude. These are used to test electronic circuits such as amplifiers and filters.
Drive insects away or compare your hearing ability with your friends and relatives and share your results! Or watch others straining their ears to find the sounds that cannot locate you. Party fun is guaranteed!

optional features (Purchase):
- free of Ads
- manual frequency input
- support app functionality for connected Bluetooth devices e.g. speaker
- different signals
- white/pink noise
- note/tone for frequency
- Left/right channel stereo
- create a tone sequence for playing several different frequencies in particular time slot
- loop for tone sequence