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Airwindows vs Soundtoys 5: catalog facts
Airwindows	Soundtoys 5
Free Free and open source, with no DRM.	Paid The full Soundtoys 5 bundle costs 599 US dollars.
Windows, macOS, Linux	macOS
Hundreds of free effects with frequent new releases AU and VST builds for macOS, Windows and Linux	23 effect plug-ins in one bundle Effect Rack for chaining effects
Minimal generic interfaces with few visual aids Installation notes vary from plugin to plugin	Expensive as a full bundle Plug-ins run inside a host DAW, not on their own
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	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 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.