Hot answers tagged iphone-4
"Optimized" apps are adapted for the bigger screen sizes of later iPhones, they may also include functionality which requires new hardware only available in these models (e.g. for Touch ID). Besides that apps which run under iOS 7 run on all hardware supporting this iOS version.
try to change the battery. it worked for me
I don't think there are any other option (cheaper) that I've heard of. Most of the unique tweaks in the jailbreak world are always priced high. You should probably tweet to the developer @KentKrantz and ask him about AutoTouch performance on iPhone 4 running iOS7 or maybe ask him for a trial license after which if you're interested you could buy the full ...
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