Private challenges between friends

I dare you.

Pick a dare, send the link and prove it every day with a photo your friends verify. Fake it and they call it out. Lying to an app is easy. Lying to your friends isn’t.

Ten seconds and you are on the list.

  • Data hosted in the EU
  • Available in 6 languages
  • No vanity feed. Just results.

The essentials

Three steps, zero friction

  1. Pick a dare

    Smoke-free, a dry month, 10 minutes of meditation, football after school — one tap and it’s set. Or write your own: any goal you can count works.

  2. Send the link

    The dare starts with its invite link ready to copy. Private, valid for 7 days, and only people you approve get in — even if the link travels.

  3. Prove it, every day

    Snap the proof and your friends verify it — or call it out with “Nice try”. The leaderboard moves live, and whoever’s behind gets a nudge.

See it in 20 seconds

What’s in the video

Everyone has excuses: “I’m tired”, “It’s raining”, “Tomorrow”, “I’ll start Monday”. Your friends won’t let you. Snap the proof, your friends check it every single day, and the streak keeps growing. Photos don’t lie. No more excuses — I dare you.

Today's proof

Saying isn't enough. Show it.

Every goal closes with a photo taken on the spot — no gallery — and it only counts once your friends confirm it.

  • Proof photo: push-ups in a sunlit living room@rita07:42Live photo
    10 push-upsConfirmed by 2 friends
  • Proof photo: an open book in someone’s hands@nuno22:15Live photo
    20 pages readConfirmed by 3 friends
  • Proof photo: running on a track at sunrise@marta06:31Live photo
    5 km at sunriseConfirmed by 2 friends
  • Proof photo: meditating at sunset@leo19:08Live photo
    10 min of meditationConfirmed by 1 friend

Illustrative photos · Unsplash

Try it here

One challenge, live

A real simulation of a challenge screen. Log push-ups, race Rita to close the day and watch the live leaderboard reorder. Leo hasn’t started yet — give him a nudge.

21:47IDarU
Daily goal: 100 push-ups

100 push-ups a day

Day 25 of 314 streak

0/ 100 push-ups

Leaderboard

Live
  1. 2
    Y

    You

    422 closedNot yet today

  2. 1
    R

    Rita

    522 closedNot yet today

  3. 3
    L

    Leo

    29 closedNot yet today

Try it now

Build your challenge

Name it, pick an emoji, a color and a duration — and watch the card come alive like in the app. Then log a few days and feel the streak grow.

No ideas? Tap one:

Emoji
Color
Duration

Live preview

Your challenge

Day 1 of 30

0/ 30 days
YYou · Rita · Leo
Take it to the app

In the real app you invite friends with a private link — and the streak actually counts.

Out of ideas?

Get dared right now

Press the button. We pick, you commit.

Your friends are your lie detector.

Guided tour

The app, screen by screen

Swipe through the real screens: pick a dare, climb the leaderboard, get your proof verified — or called out — and talk it all through in the chat.

Home

What’s left today, the next dare up front and your streaks in sight.

New dare

Ten dares, one tap: smoke-free, dry month, football after school…

Leaderboard

A live ranking, the crew map of every day and a nudge for whoever’s behind.

Proof

Friends verify every proof. A fake gets a “Nice try”.

Chat

Check-ins and proofs land as cards, with reactions and voice notes in between.

Feed

Only finished challenges, told by the people who did them — zero vanity.

Trophies

A shelf of medals graded by rarity, not a list — with live streaks called out up top.

Built to last

Friendly pressure, by design

Everything a challenge needs to stick — and nothing that turns it into a social network.

Verify or “Nice try”

Proof is snapped on the spot — no camera roll. Friends tap Verify, or call it out with Nice try. If most of the crew isn’t buying it, the day doesn’t count.

Live leaderboard and crew map

Miss a day and the streak really resets. The leaderboard updates live, the crew map shows who did what each day, and one tap nudges whoever’s behind.

Notifications with timing

A reminder before the day ends, with the hours left and who has already closed. And an alert the second a friend finishes first.

A chat that’s alive

Check-ins, proofs and streaks drop into the chat as cards. React, send photos and voice notes, and see who’s typing.

Quick comparison

Why IDarU

Other apps trust your word — or charge you so their staff can check. Here your friends do the checking, and everything else stays out of the way.

What mattersIDarUOther apps
Photo proof your friends verify — or call outYesNo
A public feed for finished challenges onlyYesNo
Private by invite, no strangersYesNo
€0 with friends, no subscriptionYesNo
Data in the EU, under GDPRYesNo

Trust

What you can verify today

We haven't launched yet, so we won't invent user counts or testimonials. What's left is what's already written and you can check.

  • Your data stays in the EU

    Everything hosted in Frankfurt, under GDPR. It never leaves Europe.

  • No third-party trackers

    No third-party analytics and no ad pixels on this page. Open your browser network tab and see for yourself.

  • Private by default

    No open profiles, no discovery. The only public thing is the feed of finished challenges — opt-in, post by post, and never with your photos.

  • Six languages

    App, site and privacy policy in Portuguese, English, Spanish, French, German and Italian.

  • Free between friends

    Daring your friends is free and will stay that way. A public promise, not a pricing tier.

  • Delete means delete

    Delete your account and it all goes: challenges, progress, trophies and photos. No grace period.

Roadmap

Where we are and where we go

No made-up dates. Here's what works, what's being built, and what comes next.

Already working

Done
  • Private challenges with daily goals and a duration you pick
  • Streaks that really reset, trophies, a live leaderboard and crew map
  • Chat per challenge: event cards, reactions, photos, voice notes and GIFs
  • Proof verified by several friends — and a “Nice try” for fakes
  • Notifications that understand context, plus nudges from friends
  • Six languages from day one
  • GDPR: delete your account in-app, export on request
  • A feed for finished challenges — sharing is opt-in
  • Ten ready-made dares, from smoke-free to football after school

Being built

In progress
  • Closed beta on TestFlight
  • Group challenges: one target added up across everyone

Next up

Planned
  • App Store and Google Play
  • Sign in with Apple and Google
  • Home screen progress widget

No promised deadlines: we'd rather ship late and right than on time and broken.

Questions

Everything you might ask

Yes, by construction. There are no open profiles and no discovery. A challenge only exists for people its creator approves, and that rule is enforced by row-level security in the database itself, not just by the app. The only public surface is the feed of finished challenges — opt-in, per post, never with photos or day-to-day progress. Data lives in Frankfurt, under GDPR.

IDarU is free: unlimited challenges, unlimited friends, streaks and trophies included. The app shows a discreet ad banner — and some extras, like messages beyond the daily chat limit, unlock by watching a short ad, always your choice. In the EU, personalized ads only run with your explicit consent.

Each link carries a random 143-bit token, expires after 7 days and can be revoked at any time. Even with a valid link, nobody enters a challenge until the creator approves them, a leaked link only lets someone ask.

Absolutely. Solo challenges are a first-class mode: you race against yesterday's you, keep streaks, earn trophies and get motivational notifications tuned for solo mode.

With proof your friends verify. When you log the day you add a proof — a photo taken on the spot, a timer, a screenshot from the app that tracks it, or an honest check-in for things you can’t photograph. Friends tap Verify or “Nice try”; if most of them aren’t buying it, the day doesn’t count and the streak is recalculated. The creator can switch proof off for a challenge, and then it’s the honor system.

In the app: Profile, then Account, then Delete account. Deletion is immediate and irreversible, challenges you created, progress, streaks, trophies and your login are all removed. You can also request deletion by email at privacy@idaru.app.

Yes, but it's quick: email and done. No phone number, no importing contacts. The account only exists to keep your challenges and streaks across devices.

Proof is on by default; the creator decides when setting up the challenge. Photos are taken on the spot (nothing from the camera roll) and friends have 48 hours to verify them or call them out. Called out? You can retake it the same day. Photos only live inside the challenge and are deleted when it ends.

Portuguese, English, Spanish, French, German and Italian — in the app and on this site. Switch whenever you like.

Yes. IDarU lands on iOS and Android at the same time, and one challenge can mix friends from both platforms with zero difference.

Available soon

Ready to dare someone?

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Coming soon

App Store

Coming soon

Google Play

Free forever with friends. Data in Europe. No card, no subscription — one email when it opens, nothing else.