A block list with a clock: these sites, these hours, no negotiation.
A daily minute budget for the sites you named. When it hits zero, they are gone.
Best for chrome users who want a simple daily cap, not a schedule
Reviewed 16 September 2026 · Prices checked the same day
4.4
37K reviews
StayFocusd is the old Chrome (and Edge) minute budget. You get N minutes a day on the listed sites; then the extension blocks them. Free.
Nuclear mode can lock the settings for the rest of the day. There is no Firefox or Safari build. If you live in Firefox, use LeechBlock instead.
Pricing
free
$0
Free version
Full extension
Platforms
Chrome · Edge
Set 20 minutes for YouTube. Do not set 20 minutes for the whole web. The second version just makes you disable the extension.
Checked 2026-09-16
| Model | Free |
|---|---|
| What free actually includes | Full extension |
| Cheapest paid tier | $0 |
| Student pricing | None published |
Links from StudyApps include ref=studyapps.
Full extension Checked 16 September 2026.
Cheapest paid plan: $0. Prices checked 16 September 2026.
Chrome users who want a simple daily cap, not a schedule
Chrome and Edge only
A block list with a clock: these sites, these hours, no negotiation.
Hard blocking across iPhone, Android, and Mac.
Plant a tree. It dies if you pick the phone up.