Crashes too often

My kids really love this game but it crashes every time they try to play it... My I pad 2 is up-to-date as it says it need iOS 8.0 or higher and mine is 9.3.0 so why does it keep crashing. Please fix before my kids get too frustrated and throw the I pad and break it.

Dubs sides about Minecraft: Pocket Edition, v1.1.5