Norton Anti-Theft is described as 'helps you quickly lock and find your PC laptop, MacBook, tablet or smartphone - and protect the invaluable information contained on it - if it's ever lost or stolen' and is a Phone Tracker in the security & privacy category. There are more than 10 alternatives to Norton Anti-Theft for a variety of platforms, including Android, Android Tablet, iPhone, Mac and iPad. The best alternative is Prey, which is both free and Open Source. Other great apps like Norton Anti-Theft are Find My, Cerberus, Android Lost and Wheres My Droid.
The new Find My app combines Find My iPhone and Find My Friends into a single, easy-to-use app on iOS, iPadOS, and now macOS.* Find My can help you locate your devices and your friends and family. And now it can help you find your devices — even when they’re offline.
Cerberus is a complete anti-theft application, the best protection you can get to recover your misplaced, lost or stolen Android device. Control your device remotely from this website or via text messages, receive alerts if someone changes the SIM card.
Ever lost your phone and you go to call it to listen for the ringer and remember its on silent mode? Now when you lost it you can text your phone and it will turn silent mode off, the ringer vol up, and start ringing.