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nRF Connect for Desktop vs toolBLEx: catalog facts
nRF Connect for Desktop	toolBLEx
Free Free download from Nordic Semiconductor.	Free Free and open source under the GPL-3.0 or later.
Windows, macOS, Linux	Windows, macOS, Linux
Several Bluetooth LE and LTE testing apps in one launcher Includes power optimization and device programming tools	Handles both BLE and Classic Bluetooth RSSI and proximity graphs
Only useful with Nordic Semiconductor hardware	A specialist tool for Bluetooth work Results depend on the host Bluetooth adapter
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0-or-later
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 1, 2026	Official website Full listing and sources Checked October 1, 2026

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