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The best porn blocker for Mac: what actually works
Last updated November 2, 2026
The best porn blocker for a Mac is one the person using the Mac can't switch off. Most options fail that test, because whoever is the admin can remove them. Here's how the main types compare, including built-in Screen Time, DNS filters, browser extensions, timer blockers, accountability apps and Fullstop.
The one question that matters
Every blocker works on day one. The real test is the moment you want it gone: can you remove it on your own, right now? If you can, you eventually will. Use that question to judge every option below.
The main types of porn blockers for Mac
| Type | Blocks in every app | Can you turn it off yourself | Needs another person |
|---|---|---|---|
| Screen Time (built in) | Mostly Safari | Yes, unless someone else sets the passcode | To be effective, yes |
| DNS filter (e.g. Cloudflare for Families) | Yes | Yes, in Network settings, or by using a VPN | No |
| Browser extension | One browser only | Yes, in seconds | No |
| Timer blocker (e.g. SelfControl, Cold Turkey) | Yes, during a block | Not during a locked block; yes between blocks | No |
| Accountability app (e.g. Covenant Eyes) | Varies | Depends on setup; your ally sees reports | Yes |
| Fullstop | Yes | Only after a 3-day wait | No |
Each type, honestly
Screen Time
Built into macOS and free. Under Content & Privacy, you can limit adult websites. It's designed around Safari, and it only holds if someone other than you sets the Screen Time passcode. If you set it yourself, you know it.
DNS filters
Free services like Cloudflare's 1.1.1.1 for Families block adult domains for every app on the Mac. They're easy to undo: change the DNS setting back, or turn on a VPN.
Browser extensions
Easy to install, and easy to remove or route around with another browser or a private window. Good as a reminder, weak as a barrier.
Timer blockers
Apps like SelfControl and Cold Turkey block sites for a period you choose and resist being stopped early. They're excellent for focus. For quitting porn, their weak spot is the gap between blocks, and the fact that you're still the admin.
Accountability apps
They share your activity with a person you choose. That works well if you want someone involved. It doesn't work if telling someone is the thing stopping you.
Fullstop
It takes away your admin access and holds the password behind a 3-day wait. It blocks adult sites, X, Reddit, VPNs, other browsers, incognito, new extensions and virtual machines, with nobody watching. The trade-off: it's Mac-only for now, and every change you want to undo takes 3 days. How the lock works.
How to choose
- You want someone involved: an accountability app.
- You want focus time for work: a timer blocker.
- You want a quick, free filter for a family Mac: a DNS filter plus Screen Time, with the passcode held by a parent.
- You want something you can't undo yourself, without telling anyone: Fullstop.
Sources
- Cloudflare: 1.1.1.1 for Families
- Cold Turkey: Blocker user guide
- SelfControl: selfcontrolapp.com
Time is what cures an urge. The trouble is, in the moment, none of us has the patience to wait one out. So Fullstop makes the wait for you: every way off takes 3 days, and nobody waits 3 days to goon. No accountability partner, no reports, no account, no card. Mac, Apple silicon.