FourTrack is updated

FourTrack has been updated for the first time in just over a year. I'm really pleased to see that it's now iOS9 compliant, and getting fixes too.

v7.1.1

• Fixed issues with Dropbox sign-in and upload/update.
• Fixed audio artifacts in Metronome on 32-bit devices.

v7.1

• Updated for iOS 9
• Added AudioCopy 3: Copy and paste audio between other AudioCopy 3 enabled apps.
• Added support for upcoming GuitarJack Stage and StudioJack Mini