AudioKit Pro has updated their Digital D1 iPad Synth to have iOS AUv3 plugin support.
Digital D1 has been rewritten from the ground up to work as a plugin in all iOS hosts, including: AUM, Audiobus, BeatMaker 3, Cubasis, GarageBand, and NanoStudio 2.
The update is free for all current D1 users.
Digital D1 is a 64-voice hybrid Virtual Analog / PCM iPad Synth released as a fundraiser for the AudioKit project.
AudioKit Digital D1 is available in the App Store here.
A demo of Digital D1 AUv3 in action can be viewed here: YouTube.com/watch?v=mACiMOl41Es