NOOO (PLEASE READ)

Ok so I got an iPhone 6 and every time I click on the app ..........the screen goes black !!! It comes back in 2 seconds but it WILL NOT let me into the app . When I had an iPhone 5s , it worked great!!!! PLEASE HELP !! I looked at all the reviews and not a lot of other people have this problem .... But otherwise its an awesome app! I just cant get it to work.

Hdbfjakqkzkhguehhjx about Musician's Kit - Tuner, Metronome, and Sound Recorder