Content rating
Everyone
10+
Downloads
Content rating
Everyone
Users Interact
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About this game

The chess.com of mental math.

Mathzer turns mental math into a sport: real-time 1v1 duels, an ELO rating system, leagues to climb—and a real method for improvement.

REAL-TIME DUELS
Face off against a player of your level: same questions, shared timer, the fastest and most accurate wins. Immediate rematch if you want the same outcome.

FROM THE MOON LEAGUES TO THE BLACK HOLE
Each victory raises your ELO rating. Go from the Moon to Mars, traverse the solar system, and aim for the Black Hole, reserved for the very best.

REALLY IMPROVE
An ELO rating for each category (mental math, arithmetic, equations, etc.) to pinpoint your strengths and weaknesses. Analyze your games question by question, then practice exactly what cost you the duel.

PRACTICE-BASED LEARNING
No passively watching videos: each technique is learned by doing it, in stages of increasing difficulty, until it becomes automatic.

CHALLENGES AND CLANS
Challenge your friends, join a clan, compare your progress, and play as a team.
Real-time mental calculation duels.
Updated on
Oct 7, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Personal info and App info and performance
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

Première version de Mathzer ! Affronte tes amis dans des duels de maths, progresse en résolvant des problèmes et grimpe dans le classement.
Content rating
Everyone
Users Interact
Learn more

App support

Phone number
+33767681689
About the developer
Basile Jean Gaston PEYRAT
basile.peyrat@gmail.com
France

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