01 / SPACE↗
Make numbers take flight
SMALL STEPS. BRIGHT DISCOVERIES.
A little practice.
A big adventure.
Meet your little star. Turn everyday arithmetic into a journey through space, forest and ocean.
Coming to the App StoreExplore the worlds ↗
US$2.99 · One-time purchase · Local prices may vary
iPhone & iPadOffline practiceNo ads
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✦Your next little win starts here.
ONE LITTLE STAR. THREE BIG WORLDS.
Where shall we practice today?
Real app screens. Real little adventures.
02 / FOREST↗
Grow with every answer
03 / OCEAN↗
Dive into a world of numbers
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A CHALLENGE THAT FITS
Their pace.
Their little planet.
Choose a number range, pick the operations and set the length of each round. A few minutes of practice can fit into your day.
01
Four operations, many possibilities
Addition, subtraction, multiplication and division. Practice separately or mix them together.
02
Small steps, clear choices
Ranges from 0–9 to 0–100, or a custom upper limit from 5 to 999. Choose 10, 15 or 20 questions.
03
A reason to feel proud
Stars, answer streaks, experience and nine achievement badges celebrate progress.
LESS DISTRACTION. MORE DISCOVERY.
A little space
just for learning.
Works offline
Practice without an account or internet connection. Progress is saved on your device.
No ads. No in-app purchases.
One purchase, with no subscriptions or extra purchases inside the app.
11 in-app languages
Choose your language in Settings. Some untranslated text may appear in English.
Make it feel like yours
Four color themes, mascot colors and optional sound effects.
A closer look at MathStar
Which languages does the app support?
Simplified Chinese, English, Spanish, French, German, Japanese, Korean, Portuguese, Russian, Arabic and Hindi. Traditional Chinese is not currently available in the app.
Which devices can I use?
iPhone and iPad with iOS/iPadOS 26.0 or later. Progress is stored on each device; there is no server-based sync.
A question from your planet?
Parents and carers are welcome to get in touch.