A free app for Android, by inglesdivino.
If you are looking for a quick and simple way to change the speed and pitch of your audio files, then this app is the best option for you.
You can use the app to make a super-fast song play slower or faster, and also you can make your voice sound high-pitched or low-pitched.
The app also lets you trim and fade the beginning or end of your audio files, so you can get the exact part you want to speed up or slow down.
The app is fully compatible with common audio formats on Android.