AppChina is an alternative AppStore for iOS 11 and iOS 11.2 powered iDevices that allow you try out apps before purchasing them.
Want to try different games Pokemon Go, Farm Frenzy etc. modes and hacks on your iPhone/iPad in iOS 11.2? Download Xmodgames without jailbreak.
Earlier, Saurik released Cydia Extender utility that allow users to automatically re-sign the sideloaded apps. However, the issue with Cydia Extender is it require paid Apple developer account.