Story
12 chapters, 48 spells
From Light Magic to Shadow Magic, each chapter brings its own mood, tasks, and unlockable spells.
The spellbook of Arithia
The magical world of mathematics
Children solve puzzles, repair spells, and discover math through play.
12 chapter worlds26 real puzzle typesOffline on your device
What Arithia is
Math as a spellbook.
Children play as spell apprentices, solve math puzzles, and collect new spells and chapters.
Learning
26 puzzle types, 4 levels
Arithmetic, patterns, logic, time, and shapes, tailored for children aged 6 to 12.
Play
Fresh rounds, small extras
Each round mixes fresh tasks. On top of that come hints and optional bonus games.
Trust
Offline and family-friendly
No ads, no tracking, no account, up to four profiles, and two languages directly in the game.
For parents
A calm and safe learning world.
Offline, without ads, without accounts, built for calm learning.
Calm, safe, thoughtful
Trust for parents, wonder for children.
Arithia does not rely on loud rewards or pressure. Children learn in a calm library world, while parents get the confidence of a safe, local, and thoughtfully made app.
- Works fully offline
- No ads and no tracking
- No sign-up required
- Up to four local child profiles
Frequently asked
What parents often ask.
Is Arithia free?
Yes. Arithia is free to play in the browser and free to download on Google Play.
What age is Arithia for?
For children aged 6 to 12, with four age-appropriate difficulty levels.
Does Arithia need an internet connection?
No. Arithia works fully offline on the device.
Does Arithia contain ads or tracking?
No. Arithia shows no ads, uses no tracking, and needs no sign-up.
Which devices does Arithia run on?
In the browser on any device and as an Android app on Google Play.
Which math topics does Arithia cover?
26 puzzle types across arithmetic, patterns, logic, time, shapes, and fractions, spread over 12 chapters.
Can several children play?
Yes. You can create up to four local child profiles, each with its own progress.
Your first chapter is waiting
Open your spell book.
Play directly in your browser or get Arithia for Android on Google Play.