249+ iOS apps & games curated and reviewed
The best futoshiki 101 apps and games on iPhone average 4.0★ across 249+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 1.0★ (3) | No | Yes | May 2026 |
| 2 |  | Free | 4.6★ (455) | Yes | Yes | Aug 2026 |
| 3 |  | Free | 3.0★ (2) | No | Yes | May 2026 |
| 4 |  | $0.99 | — | No | No | Aug 2026 |
| 5 |  | Free | 3.7★ (9) | Yes | Yes | May 2026 |
| 6 |  | Free | 2.3★ (4) | No | No | May 2026 |
| 7 |  | Free | 4.7★ (792) | Yes | No | Aug 2026 |
| 8 |  | Free | — | Yes | Yes | Aug 2026 |
Challenge your logic with over 100 Sudoku-style number puzzles. Arrange numbers 1-5 in rows and columns while adhering to greater-than/less-than constraints between adjacent numbers. Features pencil mode for notes and mistake highlighting.
This is a logic puzzle game that enhances mental flexibility with beautiful graphics. It offers dual keypad entry, multiple puzzle sizes and difficulty levels, and online leaderboards for competitive play. An error checker helps catch mistakes early.
This logic puzzle game challenges players to fill a 5x5 grid with numbers 1-5, ensuring no repeats in rows or columns. Relational signs between cells add an extra layer of complexity to solve each unique puzzle.
This logic puzzle game challenges players to fill a 5x5 grid with numbers 1-5. Each row and column must contain each digit exactly once. Inequality constraints between squares add an extra layer of complexity to the challenge.
This logic puzzle game challenges you to fill a grid with numbers, adhering to row and column constraints. It incorporates inequality symbols to add an extra layer of difficulty, offering a quick and engaging mental workout.
Engage your logic with a Japanese number puzzle game. Fill grids with numbers, respecting row, column, and inequality constraints. Offers multiple difficulty levels and thousands of unique challenges.
Engage in daily logic puzzles that sharpen your mind. Learn the rules with a guided tutorial and share your progress with friends. It's a relaxing mental exercise perfect for any time of day.
Train your brain with this addictive logic puzzle game. Fill grids with numbers while respecting inequality signs, offering a deeper challenge than Sudoku. Improve focus and critical thinking with unlimited puzzles.
A logic deduction game blending crime case files with Sudoku-style puzzles. Solve cases worldwide by reading clues, studying maps, and placing suspects. Features daily challenges and competitive duels.
Engage your mind with a number puzzle game that combines logic and strategy. Solve grid-based challenges with simple rules, from easy to expert levels. Enjoy daily puzzles and track your progress with smart statistics.
Fill empty squares with numbers 1-9 so that each block sums to the clue on its left or top. No number can be repeated within a block. This logic puzzle offers endless fun and sharpens cognitive skills.
Explore a mysterious hotel filled with hidden items and codes. Solve intricate puzzles by investigating different areas and cleverly using collected items to uncover secrets and escape.
A horror mystery game where players find hidden abnormalities in illustrations to solve puzzles. It's designed for those who enjoy detective stories and want to test their observational and analytical skills in a creepy atmosphere.
Engage in a thrilling illustration mystery game where you must find hidden clues within detailed scenes to uncover the truth behind unfolding cases. Perfect for those who love to observe details and solve puzzles.
A delightful puzzle game featuring popular San-X characters like Rilakkuma and Sumikko Gurashi. Simply tap to match cute characters, enjoy exciting skill animations, and collect new "Sumisumi" through gacha. Perfect for a refreshing and exciting play session.
Engage in a brain-bending puzzle game featuring unique, real-life scenarios. Solve tricky riddles and logic puzzles to help characters and become a riddle master. This game offers an addictive experience with simple yet lively graphics.
Instantly solve newspaper and magazine puzzles by entering digits. This app automatically resolves Sudoku variants, Futoshiki, and Binary puzzles of various sizes.