It’s getting harder and harder to produce an iOS sequencer with enough personality to stand out from the crowd, but it’s just possible Fluxpad is such an app.
Addictive Pro adds more complex oscillator configurations, a better effects implementation and a hot-rodded arpeggiator, but has surprisingly dropped the very useful four-track looper of the original Addictive Synth.
Guitarscapes is built on a foundation of electric and acoustic guitars, plus mandolins and pedal steels. Sometimes the sources are obvious, but more often they’re not.