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BLE Radar vs AirGuard: catalog facts
BLE Radar	AirGuard
Free Free and open source under the GPL-3.0.	Free Free and open source under the Apache 2.0 licence.
Android	Android, iOS
Finds and tracks nearby Bluetooth LE devices Custom filters with notifications when a match appears	Detects AirTags, SmartTags and Google Find My trackers Background scanning with notifications
Intended for lawful research and personal security checks only; users are responsible for legal use Android only	Android only Background Bluetooth scanning may affect battery life
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: Apache-2.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.