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AdGuard Ad Blocker vs Lockdown Privacy: catalog facts
AdGuard Ad Blocker	Lockdown Privacy
Freemium The iOS app has a free edition and a paid Pro edition; prices for other apps are not…	Freemium Free tier available; premium tier unlocks more filtering options.
Windows, macOS, Android, iOS, Browser extension	macOS, iOS
Filters ads and trackers in apps as well as browsers Android app works without root access	Blocking happens on-device instead of through a third-party VPN server Open source, so its blocking behavior can be independently verified
Features differ between the platform versions Licensing details are not stated on the overview page	Advanced features require the paid tier Only covers what its firewall rules recognize
Downloadable app, Browser extension	Downloadable app
Closed source	Open 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 23, 2026	Official website Full listing and sources Checked September 22, 2026

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