Per-track insert FX and instruments can be AUv3 plug-ins — with their own UIs. And Sonyk itself is an AUv3 instrument, so the groovebox sits in a Logic, AUM or Loopy Pro session like any other synth.
Load any AUv3 effect or instrument on a track. State saves with the song; parameters can be automated.
Run Sonyk as an instrument in Logic Pro, GarageBand, AUM, Loopy Pro, Cubasis and other AUv3 hosts on iPhone, iPad and Mac.
Yes — it ships ungated in the App Store app on iPhone, iPad and Mac.
No; the browser has no plug-in standard. Its built-in synths and FX are the same as native.