Compare software

BLE Radar vs Spectre: catalog facts
BLE Radar	Spectre
Free Free and open source under the GPL-3.0.	Free Free and open source under GPL-3.0.
Android	Android
Finds and tracks nearby Bluetooth LE devices Custom filters with notifications when a match appears	Monitors Bluetooth, Wi-Fi, cellular and GNSS signals Reconnaissance tools in one app
Intended for lawful research and personal security checks only; users are responsible for legal use Android only	Capabilities constrained by Android's security model Intended for authorized testing only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	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.