Well thank's, that should be that, the settings of iPad during night!

Hello
I play Battle Academy on iPad 2 IOS 8.
Whatever are the settings, i can't get any sound, no music, no sound effects.
What can I do?
Do i have to re install all the game and loose my progress?
Thnk you for answers

Hello
I purchased Battle academy for iPad on Applestore today.
Have I to pay again to download it on my iMac?

Thank's