It's long been available as a VST/AU
plugin for Mac and PC users, included with Syntorial.
Now, you can get Primer for free on you iPad.
Included with the Primer app, is the
AUv3 version, allowing you to open multiple
instances of Primer in your favorite DAW host app,
like Garageband, Audiobus, or Cubasis.
Primer is an easy-to-use synth
equipped with the most essential controls and