Dashboard
A single glance summary of live detection count, scan status, and what matters right now.
Free on iOS & Android • On-device insights
See the RF world around you with calm, clear signals.
RF_4DAT turns onboard detection into a simple story: how many devices, where they appear, and how those patterns change over time.
New: RF 4DAT for Android is live on Google Play — with WiFi network scanning, cellular signal readings, and an EMF meter beyond what iOS allows.
Live count
24
Devices detected nearby
Trend signal
+12%
Evening activity rising
History by place
Home, work, school, or a walk. Track patterns by location with friendly charts and notes.
On-device AI trends
Identify shifts without uploading raw data. Local insights keep your signal story private.
Community map, opt-in only
Share anonymized RF detections to build a living map of activity and improve local awareness.
- Anonymous contributions
- Consent-first sharing
- Community heatmap view
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Live, opt-in contributions. Areas with fewer than three reports are withheld.
Free app • Reader-supported
Protect: gear that pairs with your scans
RF 4DAT is free. When a scan turns up something worth acting on, these curated tools help you find trackers, measure RF, and block unwanted signals.
As an Amazon Associate, RF 4DAT earns from qualifying purchases. Prices and availability are set by Amazon.
Read the full gear guide — what to look for before you buy →
Find trackers & bugs
RF Bug & Hidden Device Detector
Handheld sweeper that locates hidden RF transmitters and bugs.
View on Amazon →Anti-Spy GPS Tracker Detector
Find magnetic GPS trackers hidden on or under a vehicle.
View on Amazon →Hidden Camera Detector
Laser and RF finder for covert cameras in rentals and rooms.
View on Amazon →Measure & monitor RF
Block & prevent
Confirm any detection device is legal to own and use where you live. RF 4DAT does not sell or ship products; all links open Amazon.
Designed for trust
Local processing
Trends are computed on device before anything leaves your phone.
Clear controls
Toggle sharing and AI features anytime with simple prompts.
No personal IDs
Only aggregated counts are shared with the community map.
Bluetooth scanning
RF_4DAT scans nearby Bluetooth devices only when you tap Start.
Optional location
Location is used on-device to auto-tag scans by place.
On-device history
Scan history stays on your phone and can be exported anytime.
Get the app
Free on the App Store and Google Play
RF 4DAT is a free download on both stores. Scanning, history by place, and the Protect gear guide are free forever; a one-time Pro unlock adds Trends insights and CSV export. Android adds WiFi and cellular scanning that iOS can't offer.
Free tier includes
- Bluetooth scanning with on-device history
- History by place — home, work, on the move
- Protect gear guide (WiFi, cellular & EMF on Android)
App review notes
Permissions
Bluetooth is required for scanning. Location is optional for auto-tagging.
No background scans
Scans start manually from the dashboard and stop automatically.
No data collection
History is stored locally and can be exported as CSV by the user.
Stay in the loop
Get RF_4DAT release updates
Occasional product updates and release notes — new features, new platforms, and additions to the gear guide. No spam, unsubscribe anytime.