Doubleknot
1. Pick your poison
Choose the apps that eat your day — social, video, games — and set a daily step goal that stretches you. They lock at midnight.
Less scrolling,scrolling, more strolling.
Doubleknot locks your most distracting apps behind your daily step goal. Tie in with team mode and your apps unlock when everyone completes the daily step goal. Willpower is optional when your friends are counting on you.
You're tied in. We'll email you the moment early access opens.
Join 2,000+ people already tied in. Free to join. No spam, ever.
Team Mode — The Social Contract
Your apps are tied to
their step count.
Solo streaks break quietly. Teams don't. In team mode, every teammate must hit their daily goal before anyone's apps unlock — so when you sit down, you're not just blocking yourself. You're blocking your best friend's group chat.
Today's team
Three of you have finished. Sam is 1,800 steps short — and everyone's Instagram stays locked until those steps land. Expect a very motivating text.
Apps locked for everyoneHow it works
Tie in. Walk. Unlock.
2. Tie in with your team
Invite the people you'd hate to let down. One shared rule: nobody's apps unlock until everybody hits the goal. Or go solo — the lock still holds.
3. Walk it off
Your steps count themselves — phone in pocket or watch on wrist. When the last teammate hits the goal, everyone's apps spring open at once.
Accountability
Willpower fails.
Friends don't.
Every screen-time app asks you to police yourself. Doubleknot changes the game: your unlock depends on people who will absolutely knock on your door and call you out in the group chat.
138
Proof it works
A meta-analysis of 138 experiments (N ≈ 20,000) found that monitoring goal progress reliably boosts attainment — and reporting progress to others amplifies the effect.
The payoff
More time. More health.
More happiness.
11 hrs
Time
Reclaim your day. US adults spend over 11 hours a day listening to, watching or scrolling media. Trade the worst of it for daylight, movement and the people you love.
−53%
Health
Live longer. Across 47,471 adults, the biggest walkers more than halved their risk of early death versus the least active. Your feet are life-extension technology — use them.
4 wks
Happiness
Be happier. Four weeks off social media measurably lifts happiness and life satisfaction — and just two hours a week outside in green space lifts wellbeing further.
Allcott et al. (2020), American Economic Review
White et al. (2019), Scientific Reports
FAQ
Before you tie in
What if a teammate just… doesn't walk? +
That's the point — and the pressure works both ways. Teams set their own goal levels, and there's a built-in "rescue" option a limited number of times per month, so one bad day doesn't sink the team. But mostly? People walk. Nobody wants to be the reason four friends can't open Instagram.
Can I walk solo? +
Absolutely. Solo mode locks your chosen apps until you personally hit your goal. Many people start solo and bring in friends and family once they feel the difference.
How does it count steps? +
Doubleknot reads steps directly from Apple Health, including from your Apple Watch or Garmin. No extra tracker needed, and your health data never leaves your device except the daily goal-met signal your team sees.
Can't I just delete the app to cheat? +
Doubleknot locks apps using your phone's own built-in screen-time controls, so quick workarounds are deliberately awkward. And in team mode, cheating shows: your team can see whether you've hit your goal, and the social contract does the rest.
When does it launch, and what does it cost? +
Early access rolls out to the waitlist first, on iOS. Doubleknot is €1.99/month or €10/year — and joining the list is free and commits you to nothing.