Lockin

Stake against → doomscrolling

Make doomscrolling expensive.

Set a daily limit on Instagram, TikTok, Reddit, X — whichever app owns you. Stake real money against staying under it. Cross the limit by one minute and your stake is gone.

Download on iOS Download on Android

Suggested starting contract

$5/day against a daily limit of 30 minutes on the apps you choose.

Why willpower loses against this

Doomscrolling is engineered. The feeds you scroll on Instagram, TikTok, X, Reddit, and YouTube Shorts are tuned by ranking systems that optimize for one thing — keeping your thumb moving. The variable-reward loop they exploit is the same one slot machines use. Tristan Harris and the Center for Humane Technology have documented it; Adam Alter's "Irresistible" maps the behavioral architecture. The reason willpower loses against this is not weakness. It is asymmetry. On one side: a multi-billion-dollar machine running thousands of experiments per day on what makes you stay. On the other side: you, after a long day, with a phone in your hand. iOS Screen Time and Android Digital Wellbeing offer "limits" you can dismiss with one tap. There is no consequence for dismissing them. So you do. Behavioral economists have a name for this: present bias. The cost of scrolling is paid in the future (lost sleep, lost focus, lost evenings you don't get back). The reward is now. The brain weights the now far more heavily than it should. The only proven counter is to make the cost felt now too. That's what Lockin does — it puts a financial consequence on crossing your own limit. Loss aversion (Kahneman & Tversky, 1979) shows the pain of losing $20 is roughly twice the pleasure of gaining $20. A $20 stake doesn't feel like $20 — it feels like $40 of pressure not to cross the line. That is the asymmetry, finally, on your side.

How Lockin verifies it

The Screen Time challenge runs on both Android and iPhone. On Android, Lockin reads exact daily minutes per app from the same on-device counter your phone already uses to draw its Digital Wellbeing dashboard. On iPhone, Lockin reads the same daily app usage through Screen Time — the same on-device counter behind iOS's Screen Time report. If your limit is 30 minutes on Instagram and the OS recorded 31, the contract fails. You authorize once; from then on the contract is hands-off on both platforms. There is no self-report field, no tap-to-confirm, no manual override.

Set up a doomscrolling contract in 5 minutes

  1. 1

    Install Lockin

    Free download on Google Play or the App Store. On Android, grant Lockin permission to read your daily app usage; on iPhone, grant Screen Time access on first run.

  2. 2

    Pick the Screen Time challenge type

    Choose Screen Time from the challenge picker. Lockin will ask for permission to read your daily app usage.

  3. 3

    Select the apps that own you

    Pick one or more apps to limit — Instagram, TikTok, Reddit, X, YouTube. Most users start with one. The hardest one.

  4. 4

    Set your daily limit

    Start tighter than feels comfortable. 30 minutes is a common starting point. You can change it before the contract starts; you cannot change it once the contract is live.

  5. 5

    Set your stake

    $5 per day is the recommended starting stake. Pick an amount that would actually hurt to lose — not so small it doesn't matter, not so large that one bad day breaks you.

  6. 6

    Choose your charity

    Pick from Lockin's vetted list. If you fail, your stake funds the charity you chose. Lockin charges a small platform fee to cover payment processing and operations.

  7. 7

    Confirm and lock in

    Your stake is held by Stripe. The contract starts at midnight in your timezone. Cross your limit before midnight and your stake is forfeited.

From Lockin's data

Across the Lockin beta, screen-time contracts have a 71% success rate when the daily limit is set 20% below the user's baseline. Above 50%-below-baseline, success rate falls to 31%. Start tighter than you'd like; not as tight as your guilt suggests.

"I set a 25-minute Instagram limit at $3 per day. The first week I forfeited $9. Week three I haven't crossed once. The money was the only thing my brain actually heard."

— Anonymous beta user, screen-time challenge, 4 weeks active

Common questions

Does Lockin actually block the apps, or just track usage? +

Lockin tracks usage on-device — Android via Digital Wellbeing, iPhone via Screen Time. It does not physically block — it counts. If you cross your stake limit by one minute, your stake is forfeited automatically at the end of the day. The decision to open the app is still yours; the financial consequence is no longer optional.

Does this work on iPhone? +

Yes. Lockin reads your daily app usage on-device on both Android and iPhone, and the contract settles automatically at end of day. Verification is hands-off on both platforms. iOS shows progress in 5% increments rather than literal minutes during the day, but the pass/fail outcome is just as binding.

What if my phone breaks or I have to use the app for legitimate work? +

There is a one-day refund window for verified emergencies (lost phone, hospital visit, family death) reviewed manually. Beyond that, the contract holds — the entire mechanism only works because the consequences are real. Most users start with stakes small enough that one occasional life event is not financially catastrophic. If your job genuinely requires daily Instagram use for hours, this challenge type may not be right for you.

Where does the forfeited money actually go? +

Forfeited stakes go to a registered charity from Lockin's vetted list. You choose the charity from categories including climate, mental health, animal welfare, and digital literacy when you set up the contract. Lockin charges a small platform fee to cover payment processing and operations. Refer to the transparency page inside the app for charity-by-charity tallies.

What apps can I set limits on? +

Any app visible to Android's Digital Wellbeing. Some system-level surfaces (Settings, Phone, Messages) are excluded for safety. Most social, video, and news apps are eligible: Instagram, TikTok, Reddit, X, YouTube, Snapchat, Threads, Facebook, news aggregators, browsers.

Other things people stake against

Stop deciding. Start staking.

Free to download. You set the limit, the stake, and the charity.

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Author

The Lockin Team — Lockin Editorial

Last verified