One Stick
Math Challenge
Move one stick - fix the equation
Matchstick puzzle · iPhone and iPad
Every equation starts out wrong by exactly one matchstick. Slide the right stick and it becomes true. 500 handmade puzzles, a new Daily Challenge every day, and no account to create.
Fifteen seconds of the real game — first launch, one guided move, solved.
How it plays
- Tap the matchstick that's in the wrong place — it lifts and glows.
- Drop it in the empty slot to make the equation true.
- Score points for the difficulty, the time you had left, and your streak.
What's inside
- 500 puzzles across five difficulties, Easy through Master
- A new Daily Challenge every day, with a streak bonus
- Hints when you're stuck, and a scratch pad to work it out on
- Badges, stick styles and digit styles to unlock with the Sticks you earn
- Game Center leaderboards and achievements
- No account, no sign-in, and it plays offline
One Stick is free and supported by ads. A one-time Remove Ads purchase is optional.