DeepMP3 is described as 'Never again worry about where to hide your secrets.
Put them inside mp3 audio files!' and is an app in the Audio & Music category. There are three alternatives to DeepMP3 for Mac, Windows and Linux. The best alternative is DeepSound, which is free. Other great apps like DeepMP3 are SilentEye (Free, Open Source) and The Hider (Paid).
- 3 alternatives