Alternatives to Lockdown Privacy

Open-source on-device firewall that blocks trackers and badware, showing what it blocked. The listings below can replace it for an important use case. Each note says what changes if you switch.

Replacements

Listings that take over the same core job as Lockdown Privacy.

  • 1Blocker

    Safari content blocker that strips ads, trackers, and cookie popups on-device.

    FreemiumProprietarymacOSiOS

    1Blocker also blocks on-device on macOS and iOS but works only inside Safari, is not open source, and adds ad and cookie popup blocking.

  • AdGuard Browser Extension

    A browser extension that blocks ads, pop-ups and trackers, with cosmetic filtering of page elements.

    FreeOpen sourceBrowser extension

    AdGuard Browser Extension is free and GPL-3.0 licensed but filters only inside desktop browsers rather than acting as a device-wide firewall on Apple platforms.

  • AdGuard Ad Blocker

    System-wide ad and tracker blocker apps for Windows, macOS, Android and iOS with DNS filtering.

    FreemiumProprietaryWindowsmacOSAndroidiOS

    AdGuard Ad Blocker filters ads and trackers across apps on Windows, macOS, Android and iOS, but it is closed source and features differ per platform.

  • Hush

    A Safari content blocker for Mac, iPhone and iPad that hides cookie consent nags and trackers.

    FreeOpen sourcemacOSiOSBrowser extension

    Hush is a free open-source Safari blocker for cookie banners and trackers, limited to Safari rather than system-wide traffic.

Similar software

Related functionality, not a direct replacement.