Apps similar to Netmonitor include SnoopSnitch, which is free and open source. Other options are Network Survey, Android IMSI-Catcher Detector, Network Cell Info and Cell Signal Monitor. In total there are six Network Analyzers like Netmonitor for Android, Mac, Windows and Linux.
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
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
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
Cell Signal Monitor is an advanced network monitor that helps you to watch the state of cellular network by gathering data about cell towers. The app supports GSM, UMTS and LTE networks. There is a Free edition with adds.
Russia
Rust-based network analyzer for Orbic hotspots offering real-time detection of cell site simulators, detailed logging, false positive reduction, easy setup, community-driven updates, and targeted cellular privacy and surveillance protection for all user levels.
United States
