Make math facts automatic.

Ten minutes of daily arithmetic practice for kids in first through eighth grade. Pay $9.99 once. No subscription, no ads, no tracking.

Free daily practice One-time unlock No ads, ever
0.0s
7 × 8
Tap the answer — the clock is running.
The case for fluency

Slow arithmetic is what makes later math feel impossible.

A child who works out 7 × 8 by counting up from 7 × 7 isn't wrong. They're just spending something they'll need later.

Working memory is small and it's shared. When a nine-year-old is still computing basic facts, those facts occupy the same mental space the actual problem needs — the long division, the fraction, the word problem, eventually the algebra.

This is why two children with the same understanding can have completely different experiences of a math lesson. One has the facts on instant recall and spends their attention on the reasoning. The other spends it on the arithmetic, runs out, and concludes they're bad at math.

Fluency isn't about speed for its own sake. It's about freeing up the room to think.

Facts still being computed e.g. 8 ÷ 2 = ?  ·  ~4s

Facts on recall e.g. 8 ÷ 2 = 4  ·  <1s

Spent retrieving facts Left for the actual problem
How it works

Ten minutes. Then close it.

Numi123 is deliberately small. It does one thing, it doesn't try to hold your child's attention past the point of usefulness, and it tells you what's actually going on.

STEP 01

A short daily set

Problems come one at a time, sized to your child's level. No levels to grind, no characters to feed, no reason to keep playing after the set is done.

STEP 02

Speed is measured, not scored

Numi123 records how long each answer takes. Hesitation is the signal that matters — a right answer that took six seconds isn't yet a fact your child knows.

STEP 03

You see where it's sticking

The parent dashboard shows accuracy, response time, and the specific facts your child pauses on — so practice concentrates where it's needed.

What's inside

Built for the parent as much as the child.

Practice across addition, subtraction, multiplication and division — with the part most apps leave out: a straight answer about how it's going.

A parent dashboard that's honest

Accuracy, response time, and the facts your child hesitates on — not a vague "great progress!" badge. You'll know whether the ten minutes is working within a week.

One profile per child

Separate progress, separate history, separate level. A first-grader and a seventh-grader can share the same iPad without sharing a score.

No ads. No tracking.

Nothing is advertised to your child and nothing about them is sold. There is no feed, no chat, and no reason for a seven-year-old to encounter a stranger.

Pricing

You already have enough subscriptions.

Most math apps for children bill monthly, forever, whether or not your child opens them. We think that's a strange way to sell ten minutes of arithmetic practice.

So Numi123 is free to try every day, and if it's working, you buy it once. No renewal, no upsell, no email asking you to come back. If your second child needs it in three years, it's still yours.

One-time purchase
$9.99 once

Not per month. Not per child. Not per year.

  • Unlimited daily practice across all four operations
  • Full parent dashboard with response-time detail
  • A profile for every child in the family
  • Every future update included
Download on the App Store

Free to download. Practice a set each day at no cost.

Questions parents ask

The short answers.

Is it really a one-time purchase?

Yes. $9.99 through the App Store, once. There is no subscription tier, no renewal, and no separate charge per child. Future updates are included.

What ages is Numi123 for?

First through eighth grade — roughly ages six to fourteen. The useful window is whenever a child is building recall of the basic facts, from the first addition tables through the arithmetic that middle school algebra leans on.

What do I get without paying?

A set of practice problems every day, free, with no ads attached. It's enough to see whether your child will actually use it before you spend anything.

What do you do with my child's data?

Nothing is sold and nothing is advertised. There are no third-party ad networks in the app. The parent account exists so progress syncs between your devices and so the dashboard has something to show you.

Will this replace my child's math curriculum?

No, and it isn't trying to. Numi123 does one narrow job — turning arithmetic facts into instant recall — because that's the piece that daily repetition genuinely fixes and that classroom time rarely has room for.

Is there an Android version?

Not yet. Numi123 is on iPhone and iPad today. If enough people ask, Android moves up the list.

Ten minutes a day, and then it's just known.

Free to try. $9.99 once if it works. Nothing after that.