Decision sheet — What a tracker can do
GPS location tracking explained
You see a map pin and want to know how reliable it is.
Verdict
An estimate
A map point is an estimate produced by location services. It may use GPS, Wi-Fi, cellular and Bluetooth signals depending on the device and setting.
How to check
- Confirm location services are enabled on the device.
- Check whether the app has approximate or precise access.
- Read the point’s timestamp and accuracy before acting.
The honest limit
A stale or broad point is not proof of a person’s current position.
Official source: Apple Support: Location Services and privacy