Bug makes current version unusable

Im running an Apogee Quartet on an iPhone 6S Plus and the app will not recognize it. I hear a faint buzzing sound when attempting to record. No sound even when monitor is on. Terrible. Its been like this for weeks with no fix from Apple yet. No telling how long it will take them to fix it. I tried recording on Multitrack Studio and Auria and both work perfectly. No luck with GarageBand.

Matthew Hope about GarageBand