It is totally allowed on iOS. Perhaps your thinking about downloading such JS code at runtime from your servers, thus escaping Apple's control on the app, whic

It is totally allowed on iOS. Perhaps your thinking about downloading such JS code at runtime from your servers, thus escaping Apple's control on the app, which was indeed forbidden (it is now ok as long as you don't drastically change the app) Bundling JS in the app and running it has always been just fine.