Thumbjam Instrument App For iPhone and iPod Touch Thumbjam – probably one of the best iPhone apps ever. Amazing sounds and performance... Read more In 3D Touch Apps, Apps, Drum Apps, Groovebox Apps, Looping Apps, Synth Apps 3d touch / bass / Drums / iphone app / ipod touch app / lead guitar / synth / Thumbjam Instrument App For iPhone and iPod Touch 0 likes1 views4 min 1 comment