Devices running on iOS 4.3 and higher do not support client-based positioning via Wi-Fi. Apple exclusively uses iBeacons for indoor positioning. That means that Apple devices would be excluded from indoor navigation projects using only Wi-Fi for positioning. However, it is possible to detect those devices server-based – for example in order to measure visitor flows.
Application areas of indoor navigation using iOS
When the project requires more than server-based positioning, providers have to implement beacons (iBeacon/Eddystone) for positioning. Beacons have an accuracy of up to 50 centimeters and can be used in a very flexible way. Apple itself works on an app for indoor navigation (“Survey”).