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Avast Secure Browser vs AOL Shield Pro: catalog facts
Avast Secure Browser	AOL Shield Pro
Free Free to download and use.	Paid Monthly subscription after a 30-day free trial.
Windows, macOS, Android	Windows
Ad blocking built in Anti-tracking protection on by default	Anti-keylogging keystroke scrambling Blocks screen grabs by malware
Proprietary and tied to the Avast product range Few technical details published on the product page	Paid monthly subscription Windows only
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	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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