Less or More

Which is more? A second to decide.

Judge, don't calculate

An expression on top, a plain number below. There is rarely time to work it out exactly, so you learn to see which side is bigger.

Five levels, honestly labelled

Every level states what it contains and shows five real examples before you start. Level four brings multiplication; level five brings brackets and negative numbers.

Three modes

Classic counts your correct answers in a minute. Race pays you time for being right and charges you for being wrong. Duel puts two players on one phone.

Nothing to sign up for

No account, no network, no ads. Sixteen languages, light and dark, and everything you score stays on your phone.