Freezes up

Sometimes it freezes up while Im playing. Like some parts seems to work but others dont. Like not being able to collect resources or items, finish or start quest, fusion collecting freezes when its going to open. Sometimes it completely freezes and I have to shut my iPad off to get it to work again. Its a really awesome game and I want to give it five stars, but until these glitches get fixed Im giving it three.

omgems about Shop Heroes: Trade Tycoon, v1.067