Fast-Paced Brain Training & Duel.
On a computer? Scan with your phone's camera to get the app.
The same 20 questions for everyone, every day. Keep your streak going and share your result.

Challenge your friends on the same device with a split screen! Red vs Blue, who will calculate faster?

No clock. The ones you miss come back until you know them.

43 achievements across every mode, leaderboards and challenges for your friends, and a stats page that works even without signing in.

A short clip recorded in the app.
A closer look at the app.
Game Center, a stats page you can share, five colour themes and a limited-time True or False? event.
Leaderboards for Challenge and Sprint, 43 achievements and challenges you can send to friends.
Games played, accuracy, best combo and your badges, with share cards for your scores and stats.
Night, Violet, Ocean, Black and White, a livelier game over screen and green/red answer feedback.
November 1–7: a sum appears with an answer, and you decide in a split second whether it is right.
A fast mental math game: solve as many equations as you can before the timer runs out, and beat your best score.
Yes. Versus Mode splits the screen so two players can race each other on the same device.
Yes. Besides the mixed Challenge mode there are separate modes for addition, subtraction, multiplication and division.
Yes. Quick Math is free and shows ads; a one-time purchase removes them.
iPhone and iPad with iOS 17.6 or later, and Android 8.0 or later on Google Play.
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