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#commitment devices #behavioral economics

Commitment Device Apps for Phone Use

Devendra Variya · · 1 min read

A commitment device binds future you. For phones that means: money stakes, social stakes, hardware removal, or effort stakes (exercise unlock).

ScreenFine is an effort stake: lock on overage, redeem with verified movement. Primer: what is a commitment device · Ulysses pact.

Product truth

ScreenFine is $1/week via Apple. Going over your daily limit locks the apps you chose until you redeem with verified effort (25 camera pushups or squats, 1,000 steps, a workout, or mindful minutes). Slips are behavioural -- not card charges. Try ScreenFine or see pricing.

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ScreenFine locks your chosen apps when you go over your daily limit. Earn them back with verified exercise. $1 per week, cancel anytime.

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