SentryRF - AI Counter-Surveillance App
Detect hidden trackers & surveillance with on-device AI
6 followers
Detect hidden trackers & surveillance with on-device AI
6 followers
SentryRF turns your Android phone into a tracker detector. It scans Bluetooth and WiFi signals using 14 detection engines and 7 on-device AI models to find hidden AirTags, GPS trackers, surveillance drones, smart glasses, rogue WiFi networks, fake cell towers, and coordinated tracking; things no other app looks for.The AI learns what's normal in your life and only alerts you when something is actually following you. Everything runs locally. No cloud, no accounts, no data leaves your device
SentryRF: Cognitive Counter-Surveillance
SentryRF is a professional-grade RF (Radio Frequency) situational awareness tool for Android. Unlike "camera finders" that rely on optical reflection, SentryRF operates at the signal intelligence (SIGINT) layer, detecting the digital footprint of surveillance hardware.
Core Capabilities:
Multi-Protocol Detection: Scans the 2.4GHz spectrum to identify AirTags, Tiles, SmartTags, and unbranded BLE trackers using high-fidelity manufacturer data parsing.
Behavioral AI Engine: Employs a local neural network to differentiate between "ambient noise" (a neighbor's headphones) and "threat patterns" (a device following your trajectory across multiple GPS coordinates).
Tactical Sound Locator: Uses an RSSI-weighted triangulation engine and haptic/audio feedback to guide users to a hidden device's physical location through signal gradient analysis.
Deep Hardware Analysis: Identifies rogue WiFi "Evil Twins," IMSI catchers, and unauthorized IoT devices using OUI lookups and chipset-family fingerprinting.
Privacy-Centric Architecture: All analysis, including ML retraining and database storage, happens 100% on-device. No RF data or location history ever leaves the handset.
What SentryRF actually detects:
🔵 Trackers — AirTags, Tiles, SmartTags, Chipolo, and generic BLE trackers. Decodes Apple Continuity protocol, matches 3,900+ Bluetooth company IDs, and clusters rotating MAC addresses so a single device can't hide behind randomization.
🟠 Followers — Not just trackers. SentryRF flags any device — including phones — that appears at 2+ distinct locations you visit. Someone following you with their phone in their pocket triggers the same alert as a hidden AirTag.
🔴 Surveillance devices — Hidden cameras, microphones, GPS trackers, and audio bugs identified through vendor fingerprinting, BLE chip analysis, hidden SSID detection, and signal behavior patterns.
📡 Rogue WiFi & fake cell towers — Evil twin detection (same SSID, weaker security), SSID spoofing (fake "Starbucks WiFi"), security downgrade monitoring, IMSI catcher heuristics for Stingray-type intercept devices.
🚁 Drones — Decodes FAA Remote ID (ASTM F3411) from BLE broadcasts. Shows make/model, altitude, speed, operator location. Flags spoofed drone IDs from devices like SquidRID.
Active tools beyond passive scanning:
Sound Locator — Walk toward a suspicious device using audio-guided proximity beeps
Physical Sweep — Room sweep using your phone's magnetometer (EMF), microphone (ultrasonic), and light sensor (IR) to find hidden electronics
Vehicle Check — Dedicated scan profile for detecting trackers planted on your car
Evidence Reports — PDF exports with timestamps, signal data, and location records for legal documentation
By the numbers: 14 detection engines, 3,972 BLE company IDs, 688 service UUIDs, 52 device categories, 100+ drone manufacturers, 90-day threat history.
Free core features. Pro subscription for 24/7 background scanning and advanced detection.
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