A free program for Android, by Brothers Account.
If you have lost any audio recordings because of your fault or because they got deleted from your phone, you are at the right place. This Audio Recovery App is here to help you out. It can retrieve your lost audio recordings from internal storage and SD card. So, if you have lost any audio recordings, just install this app and it will restore them for you. The user-friendly GUI of this app makes it easy to use. You don't need to root your phone. Just install this app and you are good to go. The best thing is that it doesn't require any internet connection. So, you can use it anywhere you like.