Easy Cat Whistle is a fast and free app to generate sounds only your cat can hear. Use this to train your cat.... maybe. You can also use it as a frequency generator.
There's an HD version now too, if you're into HD apps:
Tags: cat whistle frequency , cat whistle , what frequency is good for a cat whistle , free apps en wistel free cat , скачать cat whistle , freecat whistle , cat wistle app doqnload , google apps cat whistle , whistle for cat