Lets start with the bad news, Xewton Music Studio is a $20 iphone application. That is a lot of money on a platform that offers an almost infinite amount of free and under $2 apps.
1music sequencer
iPhone and iPad apps tagged "music sequencer."
Melodica Light and Sound Combine for Simple Music Creation
Melodica presents a 16 by 10 surface where the length represents the 4 bars of a 4/4 beat and the height is a set of 10 notes that all harmonize well together. Anyone familiar with arppegiators or sequencers will find themselves at home using the software's interface.
FourTrack is a Big Step in iPhone Music Production.
When developer Sonoma Wire Works set out to create a multi-track recorder for the iPhone, they enlisted the help of Retronyms, creators of the best selling Recorder iPhone app.
Synth Round-Up: Synthesizers Break Free from the Studio on the iPhone
Musicians of all calibres, from mom's basement amateurs to true prodigies, can now find the software they need to make music on the go on their iPhones, whenever and wherever they want. But with so many options, it's often hard for people to figure out which app suits them best. We're here to help.
synthPond makes for beautiful sound ripples.
SynthPond gives people with no previous knowledge of music the ability to create beautiful, ambient, soothing synth loops.
Noise.io Pro is First True iPhone synthesizer — for Professionals
This is it. The first full-fledged synthesizer available for the iPhone.
Noise.
