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inSSIDer vs Acrylic Wi-Fi: catalog facts
inSSIDer	Acrylic Wi-Fi
Freemium Free with an Oscium account. Advanced features require a paid subscription.	Freemium A limited free version is available. Professional editions are paid.
Windows, macOS	Windows
Makes channel overlap and interference immediately obvious Client-level inspection of a chosen access point	Monitor-mode packet capture on Windows, which is normally difficult Heat mapping and survey tools alongside the scanner
Requires a free account to use at all Advanced features need the paid MetaGeek Plus subscription	The free version is limited and the professional editions are paid Windows only, closed source
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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