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Join a challenge
Choose the duration, daily limit, and entry fee before you start.
iPhone screen time challenges
21 Less
Spend less time on the apps that steal your day. Join a 21-day screen time challenge and qualify for a share of the reward pool.
One entry fee. One daily limit. No surprise missed-goal charges.
Today
1h 24m left
36m used
2h limit
21-day reset
Day 3 of 21
Under limit today
Instagram
18m
TikTok
11m
X
7m
Challenge
Stay below 2h
Entry
$20
Pool
$460
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Finish every required day to qualify.
No extra charge for missed goals
Wallet
$72.40
- Challenge entry -$20.00
- Reward credit +$34.80
- Cashout Pending
Rewards appear after challenge settlement.
How it works
Set the limit. Beat the scroll.
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Check your progress
See time left today and which apps are eating it up.
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Finish the run
Complete every required day to qualify for the reward pool.
Why it works
A little pressure makes the habit real.
Screen time goals are easy to ignore when nothing changes. 21 Less turns the goal into a daily challenge you can actually feel.
Real accountability
An entry fee makes the commitment harder to shrug off.
Visible progress
Watch your remaining time, app usage, and challenge streak.
Reward pool
Finishers qualify for a share of the challenge pool.
No surprise charges
Missing a goal just means you do not qualify for that pool.
Built for iPhone
Made for the apps you open without thinking.
Screen Time-based checks
Progress is verified with Apple Screen Time-related data.
Challenge discovery
Find challenges with clear limits, durations, and reward pools.
Wallet and results
Track entry fees, reward credits, and challenge history in one place.
Private usage details
Other users do not see your individual app usage or daily totals.
Less screen. More life.
Start with one daily limit and a 21-day challenge.