SoundConvert+

"SoundConvert+" converts the format of a sound file.
Supported formats are
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 - .mp3 -> .wav (WAVE)
 - .mp3 -> .m4a (Apple MPEG4)
 - .mp3 -> .caf (Apple CoreAudio)
 - .wav -> .m4a (Apple CoreAudio)
 - .wav -> .caf (Apple CoreAudio)
 - .m4a -> .wav (WAVE)
 - .m4a -> .caf (Apple CoreAudio)
----------------------

Converted files can be shared via email, messages, AirDrop, NoteApp, etc.
Enjoy the best experience with a simple and easy-to-understand interface that supports dark mode.

"SoundConvert+" does not display advertisements. It can be used in full screen.
There is also a free version "SoundConvert" that displays advertisements.