How to get Dead Defence cheats on my iphone?

Can i get somehow Dead Defence hack for free? Need on my iphone. Thanks
PS. My friends are using some kind of exploits so its possible.

Well my friends are using this one and they say its legit
http://epic-gamesoftware.com/dead-defence-crystals-hack-cheats-for-android-and-ios-20142013/

They don't exist, the only people who claim to have one, is a scammer who wants you to fill out surveys.