Tune Me - Tune Me is an amazing mobile app that helps you to record music with more than five hundred beats and rhythms.
muted.io - A magical collection of interactive music theory tools & visual reference pages for musicians and music producers
Instrumental Rap Beats - Instrumental Rap Beats is an elegant mobile app that enables you to enjoy instrumental beats right on your mobile devices and tablets.
Chordify - Chordify turns any music or song (YouTube, Deezer, SoundCloud, MP3) into chords.
Music Speed Changer (Classic) - Music Speed Changer (Classic) is an amazing mobile app that enables you to adjust the pitch and tempo of your music to make it slower or faster through sound touch processor.
Scale Heaven - Browse and play any scale/chord, chord progression.