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Join a free steps challenge.Actually finish it.

A few minutes a day, with people who notice when you show up. Bring a friend or join this week's group.

Find your challengeHow it works

Free to join. No subscription, no card.

Two friends grinning in a sweaty selfie at the gym
Cheer received
A dad and his young daughter holding a plank side by side on the living-room rug
4 of 7 days
Two friends laughing as they run a beach path at sunrise
Day 9 kept

Who it's for

Run it, lift it, walk it.Just don't do it alone.

  • Two friends cycling a country road at golden hour

    Two friendsActivity

  • Two friends doing high-five push-ups on the grass

    PartnersActivity

  • Three friends taking a selfie at the top of a mountain trail

    Three friendsSteps

  • Three coworkers walking city stairs at lunch

    CoworkersSteps

  • A mother and her teenage son doing jump squats in the backyard

    Mom and sonFamily

  • Four friends tasting their meal prep in a small kitchen at night

    RoommatesMeals

  • A couple on a sunrise walk with coffee

    CouplesDaylight

  • A dad and his daughter holding a plank on the living-room rug

    Dad and daughterFamily

  • Two roommates stretching on mats in the evening

    RoommatesRoutine

Why Entropy

Solo plans fade.Challenges get finished.

A woman on her couch in running clothes, scrolling her phone while it rains outside

On your own

Skip a day and nobody knows.

Two friends catching their breath and laughing under a streetlight after an evening run

In a challenge

Your group sees it. One cheer gets you out the door.

What changes

Less starting over.More days that count.

You finish what you start.

See how everyone's days are going. Your own numbers stay yours.

No leaderboard

Nobody ranks. Your numbers stay yours.

Everyone wins by showing up.

A missed day isn't the end.

When someone slips, others in the challenge send a cheer. One tap, from a person, not the app.

Shop for your goals.

Scan a barcode in the aisle.

Notice you feel better.

Sleep, water, food, sun, weight. No single score.

Text Eli. Stay on track.

A morning summary, logging by text, meal photos and your trends, all from Messages. Free during limited access.

See what Eli does

How it works

Join. Check in.Get cheered on.

  1. 01

    Join a challenge

    Steps, sleep, water, daylight or a daily ritual. Free, and live in a minute.

  2. 02

    Check in your way

    Your watch logs it for you, or tick it off in one tap.

  3. 03

    Keep each other going

    See who showed up today. Miss a day and your group sends a cheer.

Find a challenge
A family laughing over dinner, passing a bowl across the table

Private club

Your own club.Everyone joins free.

Run private challenges with your family, friends or partner. One subscription covers the whole group.

  • One scan, an answer for each person's goals
  • Log a shared meal once for everyone eating it
  • Routines your group keeps together

$9.99 a month · one person subscribes, invited members join free

Explore private clubs
Friends walking together at sunrise after a morning workout, laughing

Your next challenge starts today.

Free to join. Pick one in a minute, bring someone, finish it.

Find your challengeGet the app