Test your phone''s speaker, headphones, subwoofers, speakers and amplifiers.
Test your hearing.
- Variable frequency tone generator
- Sampling rate at 44100 (CD quality)
- 16bit PCM encoding (CD quality)
- Time span selectable
Extra features: Anti Mosquito and Dog Whistle (or Cat Whistle).
Anti-Mosquito: the ultrasonic Mosquito repellent generator emits a very unique high frequency sound (ultra sound) that most mosquitoes find distasteful and prevents you from getting bitten by mosquitoes.
Dog Whistle: train your dog to do tricks, train your dog to stop barking, or if there is a dog next door, use this app to make it silent.