With the launch of iOS10 Apple has opened up access to the vibration feedback on the iPhone 7, iPhone 7 Plus, iPhone 8, iPhone 8 Plus and iPhone X.
This plugin saves you the effort to write your own plugin. It offers an easy interface to trigger any of the various vibration types.
An example scene and the documentation provide you with everything to implement haptic feedback on iOS within a few minutes.
Automatically detects if haptic feedback is supported by the device.
Works with Unity 2017! Complete source code available!
Only the devices mentioned above support vibration on iOS - it is currently not possible to provide custom haptic feedback on older iOS devices.