Looks like apps can only support arbitrary Bluetooth devices if they're the Bluetooth Low Energy type: http://stackoverflow.com/a/11892685 http://stackoverflow.

Looks like apps can only support arbitrary Bluetooth devices if they're the Bluetooth Low Energy type: http://stackoverflow.com/a/11892685 http://stackoverflow.com/a/11892685. Conventional Bluetooth devices would have to go through the MFi program to be supported by App Store apps.