Mix it up. Sum it up.

Four fresh math puzzles, every day. A clear-sky break for your brain.

Coming soon to the App Store

Today's four

Decode

Crack the hidden equation in six guesses.

Target

Link tiles on the wheel to hit the day's number.

Cages

No repeats in a row or column. Every cage makes its number.

Cross

A crossword made of sums. No digit twice in a run.

A look inside

Screenshot coming soon
Screenshot coming soon
Screenshot coming soon

The rest

One a day

Everyone gets the same four puzzles. They change at midnight where you are, start gentle on Sunday and get trickier by Saturday.

Keep the streak sunny

Track your streaks and solves. Missed a day? A streak freeze covers it.

No ads

None. Not now, not later. Today's four puzzles are always free.

Mixsum Plus opens every past day, unlimited hints and more streak freezes.