Audulus - A universe of sound at your fingertips - Audulus is a modular music processing app
RapScript - RapScript is the fastest-growing word-machine that is specially designed for freestyle rappers.
Blocs Wave - A free audio app for creating music loops.
AR Lyrics - Lyrics in the air!
FL Studio Mobile - Create & save multi-track music projects on a smartphone
The Art of Rap - The Art of Rap is a free to use mobile application that allows you to create and record your rap movies to share it with others.