No Sound & freezes on iOS 9.1 – Star Scales Pro For Guitar Review

This app is great but needs upgrade! There is No Sound on any scale you want to play, the continue playing option doesn't work and it will freeze the app after one loop. App Name: Star Scales Pro App version: 3.6.2 Model: iPhone 6 Plus iOS version: 9.1
Review by Gerard C on Star Scales Pro For Guitar.