Loader.plist

{ Filter = { Bundles = ( "com.apple.UIKit" ) } }

Loader.xm

%ctor { NSString *bundleID = [[NSBundle mainBundle] bundleIdentifier]; // Either this or whatever works from link after this NSString *plistpath = @"/User/Library/Preferences/com.your.tweak.plist"; NSMutableDictionary *plistDict = [[NSMutableDictionary alloc] initWithContentsOfFile:plistpath]; if ([[plistDict objectForKey:bundleID] boolValue]) { dlopen("/path/to/tweak.dylib", RTLD_LAZY); } }

THIS LINK