Compare software

Lockdown Privacy vs 1Blocker: catalog facts
Lockdown Privacy	1Blocker
Freemium Free tier available; premium tier unlocks more filtering options.	Freemium Free tier available; full feature set requires a subscription.
macOS, iOS	macOS, iOS, Browser extension
Blocking happens on-device instead of through a third-party VPN server Open source, so its blocking behavior can be independently verified	Blocking happens on-device rather than through a proxy server Large built-in rule set with granular customization
Advanced features require the paid tier Only covers what its firewall rules recognize	Limited to Safari rather than all browsers Full rule customization requires the paid tier
Downloadable app	Downloadable app, Browser extension
Open 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 22, 2026	Official website Full listing and sources Checked September 22, 2026

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