Why you'll love it
Easy to pick up, genuinely clever to master, and calm enough to enjoy anywhere.
True crossword logic
Numbers interlock across and down. One smart move unlocks the next.
Instant feedback
A line turns green the moment it's correct, red when it isn't. You reason, you don't guess.
Five difficulty levels
Warm up with addition and subtraction, then grow into multiplication, division and multi-step equations.
Daily Challenge
One fresh number puzzle for everyone, every day. Build your streak.
Smart hints
Stuck? A gentle nudge shows your next move without spoiling the solve.
Calm, offline design
No account, no Wi-Fi needed, no clutter. Dark mode included.
About Mathrid
Mathrid blends the logic of a crossword with the challenge of mental arithmetic. Fill the grid so each row and column satisfies its sum, with 500 hand-crafted puzzles across five difficulty levels from casual to expert.
Built with Kotlin Multiplatform and Compose, Mathrid features a clean minimalist interface, offline play, a fresh daily challenge, and progress tracking. Designed for quick sessions or long solving streaks.