Step Tomo app icon Step Tomo Health & Fitness · New app

Meet Step Tomo: a walking friend that grows with every step

Charles Chiejina · · 5 min read

Somewhere a small egg is waiting. It doesn't mind how far you go today, only that you go. Take it for a walk and it cracks open; keep walking, and the little friend inside grows up beside you. This is the story of Step Tomo, and of the gentle world it lives in.

Step Tomo Today screen with Pip at home and 6,240 steps Walking with Pip along the countryside path Pet tab showing Pip the Fledgling at level 7
Step Tomo on iPhone

A friend, not a scoreboard

Tomo (友) is the Japanese word for friend. The app began life as "Step Pets", but that name was taken, and the new one turned out to be a gift, because it said the thing I cared about most. I have made step counters before. Simply Step sends you on journeys to real cities and StepPup puts a dog on the lead. Both taught me the same quiet lesson: people keep walking for something that feels like a relationship, not a total.

So there is no scoreboard waiting when you open Step Tomo, and no red numbers on a slow day. There is a small creature who is a little peckish when the day has been still, happy when you're on your way, and proudly round-bellied when you reach your goal. On a lazy day it gets hungry, never sick, and nothing you've grown together is ever taken away.

PlatformsiPhone and Apple Watch, with complications
Steps fromApple Health, iPhone and Apple Watch together
PetsSprig, Kindle, Trundle, Puff and Scout, three stages each, plus rare shiny ones
Price7 days free, then $12.99 a year, $3.99 a month or $24.99 once
PrivacyYour steps stay on your devices; no ads, no tracking, no sign-in

A little corner of Japan

The pedometer was born in Japan. In 1965 a clip-on step counter went on sale there called the manpo-kei, the "10,000-step meter", and that is where today's famous daily goal comes from. (We looked at how well that number holds up in Japanese walking vs 10,000 steps.) Japan also gave the world the pocket virtual pet. Step Tomo lives right where those two ideas meet, so leaning into Japan felt like coming home.

Your friend lives in a small wooden house on a floating island, with a bonsai by the window and a red donut bed up in the loft. Outside, a cherry tree leans over a stone lantern, and a koi pond spills over a waterfall at the island's edge. The sky keeps time with your day: bright morning blue, a rosy dusk, then stars and glowing lanterns.

The pet's house on a floating island at day, dusk and night
Home at day, dusk and night

Walks go further. Set off together and your friend trots beside you along a winding stone path: under a red torii between stone lanterns, down a cherry-blossom avenue beside a stream, over a little wooden bridge, past bamboo and rice terraces, up to a hillside shrine and out to a lake with a snowy mountain beyond. Other walkers' pets pass by on the way, and there are small treasures tucked in the grass: acorns, pinecones, cherry petals and, once in a while, a blue feather.

Five friends, and a surprise

Every friend begins as an egg, and you never know who's inside until the shell cracks. Your first egg hatches on a short walk, right at the start. Later you can choose a new egg and keep it warm with three days of walking. And once in a long while, an egg hatches shiny, in colours all its own.

Sprig Kindle Trundle Puff Scout

Each one grows through three forms as your steps add up, so an ordinary Tuesday walk can end with someone new standing in the doorway.

A friend that feels alive

What I wanted most was for your tomo to feel like it has a little life of its own. It looks around when it's idle. It climbs the stairs to bed at night, waits by its bowl when it's hungry, and potters about the house while you're out. Tap it to say hi, or press and hold to give it a gentle pat.

And when it grows, it's a small celebration: a swirl, a sparkle, and a new shape where the old one stood.

Puff evolving into Soarer

Your tomo, on your wrist

I imagined most people would see their friend on their wrist more often than on their phone, so the Apple Watch app came first, not last. Lift your wrist and there it is. Tap it and it hops or cheers. It looks around when it's idle, lets you know when it's peckish, and curls up to sleep at night.

Pet idling on Apple Watch Pet reacting to a tap on Apple Watch Pet walking on Apple Watch

You can set off on a walk straight from the watch, choosing a goal with the Digital Crown. Your friend walks toward you across a little meadow while your steps and heart rate tick along, and the walk is saved to Apple Health when you're done. On the watch face, a complication keeps your tomo close all day.

Small kindnesses

What's next

Friends are the big one: a shared park where your friends' pets can visit, with waves and a friendly daily leaderboard. You can peek at a preview in the app today. After that come more hats, more finds tucked along the path, and more of the island to explore. If you'd like to know when Step Tomo arrives on the App Store, the Step Tomo page has everything, and the press kit has the art.

Thanks for reading. Go for a walk; someone small is waiting.

Frequently asked questions

What does Step Tomo mean?

Tomo (友) is Japanese for friend, so the name means "step friend". In Japan it is ステップトモ.

Do I need an Apple Watch?

No. Step Tomo works on iPhone alone. With a watch, your pet also lives on your wrist and in complications, and you can start walks from the watch.

How much is it?

Your first 7 days are free. After that, Step Tomo Premium costs $12.99 a year or $3.99 a month, or $24.99 once for Lifetime (US prices). Subscriptions renew automatically until cancelled in your App Store settings. Coin packs are optional.

Charles Chiejina

Independent iOS developer and designer behind Foggo Apps. I build simple, focused apps for everyday life, and write these posts from first-hand experience shipping each one.