Ages 2 to 12

Your kid will be faster than you.

Not calculating. Knowing. Four is four before you've counted it. 7 + 8 arrives like a name, not a sum.

Free for every kid in India. iOS and Android.

Cheeku, the cheetah cub
How many?
🐭 🐭
your average
last
Duggu, 3 · unprompted

Nobody asked him to pick it up.
He just does.

He's three. That's the only number we care about — a kid who comes back on his own, with nobody in the room and nothing lost if he doesn't.

The Sky

Every fact is a star.

Answer one instantly, on different days, and it lights up. Facts come in constellations — the doubles, the friends of ten. Fill one in and an animal moves into your kid's world.

Bolted — instant, every time Learning Not yet
Falcon companionThe doubles
Hummingbird companionFriends of ten
Hare companionThe sevens
Dragonfly companionWithin twenty
Mantis shrimp companionSquares
Sailfish companionNikhilam

Six lit so far. Nothing here ever dims or expires — stars only light up.

The ladder

Ten years of somewhere to go.

Kids start where they actually are, not where their birthday says. The last two rungs are the reason we built this.

01Sparks2–4Seeing how many without counting
02Bonds4–5Friends of ten, adding within ten
03Twenty5–6Doubles, near doubles, subtracting within twenty
04Hundred6–7Place value, skip counting, adding within a hundred
05Tables7–8Times tables to ten
06Division8–9Division facts, tables to twenty
07Vedic9–10The sutras. Two-digit multiplication in a single line.
08Anzan10–12The abacus, moved into the head. Then the abacus taken away.

Vedic maths and anzan are ordinary in Indian coaching classes and almost unheard of anywhere else. That's the whole idea.

What it refuses

Built to be put down.

Most kids' apps fight to keep your child. This one doesn't.

No ads. Not one.

Not between rounds. Not dressed up as a reward.

No streak to break

Miss a week and nothing is lost. No red numbers. No guilt texts.

Nothing to buy

Every animal, every star, earned by getting fast. There's no shop.

Time is not progress

Free play is unlimited — hand them the phone in a queue. It just doesn't earn anything. Only short, sharp runs do.

Free in India

Every kid in India plays the whole thing free, paid for by families abroad. An uncle in New Jersey can sponsor a nephew in Lucknow and watch his sky fill up.

Works with no signal

Built for a cheap Android on a patchy connection. That's the target, not the fallback.

For parents

You'll see it happening.

Not minutes played. Not badges. How long they take to answer — dropping, week after week.

The speed curve

The only chart that matters. Also the one you'll screenshot.

The fact map

Everything they know, and everything still coming. Same map they see as stars.

Sunday: Show Me

One minute. You hold the phone, they answer out loud. This is the bit you send to their nani.

Siblings share one sky

A three-year-old and a nine-year-old fill the same map. Nobody's ranked against anybody.

Median answer time▾ 41%
DUGGU · LAST 8 WEEKS

“How is your kid so fast at math?”

That's the sentence we're building for. Tap once, we'll tell you when it's ready.

One message at launch. That's it.