Castle Crush is an Android app developed by Fun Games For Free (25-28 North Wall Quay, Dublin 01, IRELAND). Others apps created by Fun Games For Free are: War Machines, Block Craft 3D, Flight Pilot Simulator 3D, Sniper 3D, Colorfy, Color by Number.

Castle Crush first became available on 20 Jun 2017. It is estimated that Castle Crush has been downloaded between 50000000 and 100000000 times from the Play Store.