Free
About
Fibby is a clever number puzzle built around the famous Fibonacci sequence: 1, 1, 2, 3, 5, 8, 13… Place tiles on the board so adjacent numbers follow the sequence, build long chains, and rack up your highest score.
Easy to learn, hard to master — perfect for quick brain training or long, satisfying sessions.
FEATURES
• Multiple game modes — Fibonacci, Roman numerals, Numbers, Letters, Colors, Fruits and Animals
• Two formats — Classic (adjacent cells) or Anywhere (any cell)
• Three board sizes — 12×21, 14×24, and 16×27
• Global leaderboard via Game Center — compete for the top score
• Track your stats, high score and average
• Clean, colorful, distraction-free design
Whether you love math puzzles, logic games, or just want a relaxing way to keep your mind sharp, Fibby is for you.
Play. Think. Climb the leaderboard.
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What's New in Fibby
1.1
July 22, 2026
- Credits and high scores now sync securely with your iCloud account - Boards resized to fit every iPhone screen perfectly — no more scrolling - More forgiving undo: extra free undos when a game ends - Bug fixes and stability improvements
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