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Vistumbler vs Acrylic Wi-Fi: catalog facts
Vistumbler	Acrylic Wi-Fi
Free Free and open source under the GPLv2.	Freemium A limited free version is available. Professional editions are paid.
Windows	Windows
GPS logging to map where access points were found KML and GPX export plus live Google Earth tracking	Monitor-mode packet capture on Windows, which is normally difficult Heat mapping and survey tools alongside the scanner
Windows only Works best when disconnected from access points while scanning	The free version is limited and the professional editions are paid Windows only, closed source
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-2.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 22, 2026

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