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Today's first problem

Every Numina player got this problem today.

5, 16, 12, 23, ?

Solve it here. The next four are in the app.
Numina's Home screen. Today's Math is on top, with five empty dots and a streak of twelve days.

New five in a few hours. Free on iPhone, iPad and Apple Watch.

Share the dots. Keep the answers.

Five problems, about two minutes, and a row of dots that says exactly how it went. Your friends can read it without seeing a single answer.

Your link drops them into the same five, with your score to beat. Your first try is the one that counts. Replays are practice.

A Today's Math problem: 5, 16, 12, 23, question mark, with a number keypad.
A results screen showing five of five, with a Share button.

Ten problems. Ten stars. Your friends want them too.

Everyone in the room gets the same problem at the same moment. The first right answer takes the star, and a wrong one locks you out for a second. When two phones land together, Numina calls the photo finish.

A three-player race mid-problem, showing a Photo finish message.
The results podium with gold, silver and bronze medals, and earned badges.
  • Up to six players Race across the table with no account, or invite friends through Game Center.
  • Three ways to race Ten problems, first to five, or Equalize, which gives a younger player a head start so the race stays close.
  • Seventeen badges Take the very first star, or the last one, and it goes in your collection.
  • One host is enough Whoever joins plays free.
Seven constellations, one for each skill: addition, times tables, fractions and percent, patterns, algebra, logic and memory.

Your sky remembers every answer.

Every problem you solve kindles a star. Seven constellations follow seven skills, from times tables to logic, and each one grows at your pace.

Daily Tune watches what you find easy and brings you new kinds of problem instead of bigger numbers. Miss one and Numina shows you the right answer and how to get there.

  • Comet Run The same practice against the clock, with your time on the Lock Screen.
  • Deep Sky Talk your way through riddles and story problems with a guide that runs on your device.
  • Deep Signal One special puzzle each night, for double reward.

Math before you've unlocked your phone.

A Lock Screen widget asking 65 plus what equals 105, with three answers to tap.
Lock Screen Tap your answer right on the widget.
Apple Watch showing 11 minus 3 with four answers.
Apple Watch A quick climb on your wrist.

6

Languages English, Spanish, French, German, Japanese and Simplified Chinese. VoiceOver, Dynamic Type and Reduce Motion throughout.

Pick your sky.

Tap one. This page repaints the way the app does.

Numina's Home screen in the Aurora sky.

Almost all of it is free.

Free, no purchase needed

  • Today's Math, every day
  • Daily Tune, Comet Run and Meteor Dash
  • Deep Sky and Deep Signal
  • Joining any duel
  • Lock Screen math and Apple Watch
  • Your stats, your streak and iCloud sync

Numina Pro, for going further

  • The full eight-lesson fluency course. The first lesson is free.
  • Custom tunes: choose the length and the skills
  • Four more skies
  • Hosting your own duels

You'll see the plans and prices in the app before you pay for anything.

No accounts. No ads. No tracking.

Your progress lives on your device and, if you choose, in your own iCloud. It never touches a server of ours. Read the privacy policy.

Tomorrow's five land at midnight.

Be there first.

Get Numina

Free beta on TestFlight now. App Store launch is coming. Needs iOS 18 or later.