calcThis
Train, take on challenges, and compete against your friends!
Learn and master the fundamentals of mental mathematics : whole numbers, decimals, negative numbers, fractions, and algebra. Improve while having fun with a playful, progressive, and addictive experience.
Earn coins, unlock different game modes, and customize your avatar with mathematical symbols and crazy hats.
🎯 DAILY CHALLENGE
One challenge for every player. Will you become the world’s fastest calculator?
⚔️ DUEL MODE
Challenge your friends on the same phone. Better than a thumb war!
👾 BATTLE THE BOSS
In every world, face a powerful boss. They might even be stronger than your friends… Can you defeat them all?
🔥 STREAK CHALLENGE
A no-mistake mode. How many correct answers can you chain in a row?
⚡ SPEED CHALLENGE
Test your reflexes and become the fastest.
👉 You play… and improve without even noticing it.
🚀 Download calcThis and discover the fun side of math!