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AdLock vs AdGuard Browser Extension: catalog facts
AdLock	AdGuard Browser Extension
Paid The AdLock apps are sold as a paid purchase.	Free The browser extension is free to install.
macOS, Browser extension	Browser extension
Filters ads in apps as well as browsers No acceptable ads whitelist	Blocks ads, pop-ups and trackers Cosmetic filtering hides leftover page elements
Paid, closed-source software HTTPS filtering means trusting the app with your traffic	Only filters inside the browser, not other apps System-wide filtering requires AdGuard's separate apps
Downloadable app, Browser extension	Browser extension
Closed source	Open source
License not stated	License: GPL-3.0
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 October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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