In fairness, you do get a LOT of exposure to the device with JavaScript & HTML5 on iOS: Touch (including Multi-touch sensing), Accelerometer, Gyro, GPS, Compas

In fairness, you do get a LOT of exposure to the device with JavaScript & HTML5 on iOS: Touch (including Multi-touch sensing), Accelerometer, Gyro, GPS, Compass, Messages, Contacts, Local Storage (SQL or Key/Value), Airplay opt-in, etc.. https://developer.apple.com/library/safari/navigation/#section=Topics&topic=User%20Experience https://developer.apple.com/library/safari/navigation/#secti... So, you can get pretty close to a native experience - Ft.com is an example of this. But yes, a native app adds more (iCloud, 3D graphics, Networking, Files, etc.)