App.io is by far the best emulator that provides a great environment for app development. To use App.io all you need to do is just download your iOS app file (installable). It's another web app or online emulator for iOS to test and run the iOS apps for free by uploading on App.io App.io provides the best iPhone experience to the developer so they can test their apps before releasing or uploading on AppStore. For more information and to start using it, please visit the Appcircle In-Browser Mobile Device Emulator & Simulator product page at ĭemo Appetize.io's online web based iOS Simulators and Android Emulators directly in your browser. Smartface In-Browser Emulator & Simulator supports all frameworks such as Objective-C, Swift, Java, Kotlin, React Native, Ionic, Cordova, Smartface and many more.