Apps similar to Rayhunter include SnoopSnitch, which is free and open source. Other options are CellGuard, Network Survey, Android IMSI-Catcher Detector and Netmonitor. In total there are seven Network Analyzers like Rayhunter for Android and iPhone.
Collects and analyzes mobile radio data from Qualcomm-based, rooted Android devices to warn users of threats like IMSI catchers, SS7 attacks, and user tracking, supports over-the-air update assessment, and enables contribution to GSM Security Map with secure uploads.
Germany
EU
Identifies and analyzes cellular network threats on iOS by inspecting baseband packet exchanges, detecting irregular activity, reporting anomalies, visualizing device location history, and enabling in-depth research on mobile radio security and tracking risks.
GermanyEU
Collects detailed cellular, Wi-Fi, Bluetooth, and GNSS survey data with robust logging on Android devices, exports in GeoPackage and CSV, streams live results via MQTT, and features a comprehensive analytics dashboard for visual data analysis and monitoring.
United States
Detects fake mobile towers used for surveillance, alerts on Man-In-The-Middle attacks, monitors signal anomalies, silent SMS, LAC/Cell ID and neighboring cell data, spot FemtoCells, and helps protect users from interception, tracking, and privacy threats in real time.
GermanyEU
Monitor GSM/CDMA/LTE network: current and neighboring cell infos, signal strength. Multi SIM support (when possible). Use GPS/geolocation. Generate database with custom info on cells. Export log to file CLF/KML. Map shows cell location. List WiFi access points.
Real-time cellular and WiFi signal monitoring supports GSM, CDMA, WCDMA, LTE, dual SIMs, with signal plots, band number, interactive maps, route coloring, markers, cellular logs, raw network data, export to KML, MLS, CLF, OpenCellID, and more.
United States
RF Sentinel (RFSentinel): free, open-source police detector app for Android. Spots police body cams, Flock ALPR cameras, AirTag trackers, Remote ID drones, smart glasses and fake cell towers from Bluetooth LE and WiFi. No root.
