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Norton 360 vs Avast Free Antivirus: catalog facts
Norton 360	Avast Free Antivirus
Paid Sold as subscription plans with renewals.	Freemium The antivirus is free; Avast sells a VPN and other paid products.
Windows, macOS, Android, iOS	Windows, macOS, Android
Antivirus, VPN and identity protection in one subscription Includes AI-based scam detection	Free antivirus from a large vendor Available for Windows, macOS and Android
Paid subscription with no free tier shown Requires a Norton account to download	Closed source Promotes paid products from within the free offer
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 23, 2026	Official website Full listing and sources Checked September 23, 2026

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