How can I track another phone using iPhone for free?
The other person might get a notification if someone else has logged into their iCloud account.know your gf's passcode and Apple ID & pw and switch on the above.....
I'm guessing this is what it is? no?
How can I track another phone using iPhone for free?
If you think she’s cheating. She probably is. Don’t waste your time trying to track her. You’ll drive yourself nuts.
Or he's the cheater and he's projecting!! Dun dun DUNNNNNN!!
OP: Apples "Find My" app. Make sure the other party whoever they are give permission because....1. Legal reasons. 2. They will likely eventually find out when they open the app on accident and see they are sharing location data with you.