This statement is completely untrue. - iOS forbids JIT just like Windows, making it no worse than Windows. - iOS 7 made JavaScriptCore public API so all iOS a

This statement is completely untrue. - iOS forbids JIT just like Windows, making it no worse than Windows. - iOS 7 made JavaScriptCore public API so all iOS apps may use JavaScript. - Pre-iOS 7, companies were already embedding SpiderMonkey and their own forks of JavaScriptCore in iOS apps. This is allowed as long as JIT is off.