Steps to use Find My iPhone to track someone's phone location without them knowing. Turn on Find My iPhone: On the device you want to track, tap Settings, iCloud, Find My iPhone, and turn it on.

Use Find My Device To Track An Android Phone From An iPhone. If you're not comfortable with sharing your real-time location ...

Finally, Google offers a manual scan feature if you're suspicious that your Android phone isn't catching a tracker or want to see what's nearby. The alerts are rolling out through a Google Play ...

Location tracking of phones is out of control. ... For example, the reporters found that Babel had 100,000 hits for one officer's iPhone allowing precise tracking of her movements.

While that's usually true, the good news is that using an iPhone to track an Android phone can be done pretty easily, all without installing any third-party tracking apps.