Compare software

Intego Mac Internet Security vs Radio Silence: catalog facts
Intego Mac Internet Security	Radio Silence
Paid Paid subscription with a 30-day money-back guarantee.	Paid One-time price of $9 with a free trial and a 30-day money-back guarantee.
macOS	macOS
Built specifically for macOS Firewall can block apps from connecting without permission	Blocks an app with a single click Shows background helpers and daemons that make connections
Paid subscription only Mac-focused; not for other platforms	macOS only Does not prompt about new connections, so blocking is manual
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is 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 24, 2026	Official website Full listing and sources Checked September 24, 2026

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