SnoopSnitch is described as 'Collects and analyzes mobile radio data to detect threats like IMSI catchers, user tracking, and SS7 attacks on supported Qualcomm-based, rooted Android devices' and is an app in the security & privacy category. There are six alternatives to SnoopSnitch for a variety of platforms, including Android, iPhone, Rust, F-Droid and Mac apps. The best SnoopSnitch alternative is CellGuard, which is both free and Open Source. Other great apps like SnoopSnitch are Network Survey, Android IMSI-Catcher Detector, Netmonitor and Network Cell Info.