This is coming from the maker of Caustic (iOS and Android), and it looks pretty good too.
“Mastering is possible on a mobile device bringing many pro-audio style tools to your mobile device to polish up your music project, from whatever source you created it in. This is a sneak peek at what you can do with the Mastering App from Single Cell Software, the home of Caustic. I am quite impressed with Rej’s latest creation, and am excited for its upcoming release to the public in 2016!”
Video published by EIPStudiosOhio.