You also get 15 more plugin effects (for 21 in total), including the integrated channel strip, Amp Sim, Overdrive, Filter, Limiter and Spin FX, and far more Insert, Send and Master effects slots in which to host them. Cubasis 3 upgrades its free sibling with a wealth of powerful features and enhancements, including an increase in the number of audio and MIDI tracks from 4 each to as many as your iPhone or iPad can handle 24-bit audio recording and playback mixer and plugin automation, and MIDI CC editing time stretching and pitch shifting track freeze and Group tracks. The obvious next step for any EVO 4 owner is the full version of the Cubasis LE 3 app that comes free with their audio interface.

One of them is exclusive to iPad, while the rest work on iPhone too and you can find out how to get them up and running with your EVO 4 in our complete guide and its accompanying video. When you’re ready to upgrade to a more fully featured solution, though, there are some superb options on the App Store, and here, we’re rounding up four of the best, across a range of price points.

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