Amplitube is fun even just in its basic, free version. Of course, there are plenty of in-app extras to buy. I recommend the eight-track recorder interface.
Link: IK Multimedia Amplitube Review Review by UberChord
Mike Levine reviews the features and performance of IK Multimedia T-Racks 5
Francis Preve reviews the features and performance of IK Multimedias Syntronik synths for iOS.
IK Multimedias new Uno Synth monosynth is their first foray into the ever-expanding universe of portable analog gear. Their software and mobile peripherals are
The power of small
Program IKs new hardware synth straight from your computer