SelfControl is a free Mac app that blocks websites for a set time and can't be stopped until the timer runs out. If that works for you, keep it. This page is for people who want the same system-level blocking on a schedule, with a way to take a break.
More blockers, compared: our roundup of focus apps for Mac
Disclaimer: Focus Firewall is our app. The SelfControl column comes from selfcontrolapp.com, the SelfControl FAQ and its GitHub repository, as they stood in September 2026. If something has changed since, tell us and we'll fix it.
Stopping the block asks for Touch ID or your password. Pausing is easy on purpose: pick one, five, ten, fifteen or thirty minutes, or an hour, and blocking comes back by itself when the time is up. Tomorrow morning it starts again on schedule, whatever happened today.
No extensions, no account. Nothing leaves your Mac.
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