While there are more effective ways to track someone’s location, we’ll first show you how to do it for free. You’ll need to physically access the target phone, know its PIN or passcode ...
The carrier currently pairs its service with a preconfigured Android phone that offers several privacy features, including the ability to hide a user’s location ... to track users and serve ...
So, if your spouse’s phone connects to a network you don’t recognize, the app will tell you. This is often enough to tell where your partner is without the need for detailed location tracking.