With iOS 9 released late last month, Apple introduced a full-fledged audio plug-in framework for the first time on its mobile devices, allowing iPhone and iPad apps to implement support for third-party audio plug-ins just like on a Mac.

In fact, the audio plugin framework comes in the form of Audio Unit version 3, an updated version of the file type Apple has long used on the Mac for audio plug-ins in professional-class apps like Logic Pro.

Now that iOS 9 is available to all, we took the feature for a test drive using a couple of the very first apps to update with support… expand full story