Zuzu · Binary Puzzle Game vs Puzzle IO
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Zuzu · Binary Puzzle Game
A logic-based puzzle game where you fill a grid with two colors based on specific rules. It's similar to Sudoku and offers a "How to Play" guide with solving strategies. Track your progress with a stats tracker and play online or offline.
- Binary logic puzzles
- Sudoku-like gameplay
- Three solving rules
- In-game tutorial and strategies
- Stats tracker for solve times
- Offline play
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Enjoy Zuzu, a binary puzzle game that tests your logic and skill! If you like Sudoku puzzles, you will love Zuzu! About Zuzu: Your goal is to fill in the board using only logical determination, similar to Sudoku. Tap a tile on the board to set or change its color. Like the binary number system in general, there are only two tile colors, orange (0) and blue (1). Zuzu games begin with an unfinished grid that must be filled in correctly according to three rules listed below. Each row and each column: .. is unique .. has an equal number of red and blue tiles .. has no more than two adjacent tiles of the same color The strategies for solving a Zuzu binary puzzle vary in complexity. Once you install the game you will find a “How to Play” section with a link to a video outlining some successful solving strategies for a binary puzzle. Track your best and average solve times over history with our stats tracker. You can play Zuzu by Razzle Puzzles on your phone and tablet. Enjoy online or in offline mode! For support please contact us at support@razzlepuzzles.com or visit RazzlePuzzles.com
Puzzle IO
Experience a modern, fast-paced logic puzzle game based on binary Sudoku. Fill grids with 0s and 1s following specific rules, earn bonuses with a smart point system, and compete globally. Offers endless challenges across six difficulty levels.
- Fill 10x10 grids with 0s and 1s
- Equal 0s and 1s per row/column
- No three identical numbers in a row
- Smart point system with bonuses
- Time-based multipliers for higher scores
- Game Center support and global leaderboards
- Six difficulty levels
- Unlimited unique puzzles
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Addictive Logic Fun! Looking for a fresh take on Sudoku? Puzzle IO brings you a modern, fast-paced, and highly addictive logic puzzle experience! Easy to learn, hard to master! * Fill each 10x10 grid with 0s and 1s * Each row and column must have an equal number of 0s and 1s * No three identical numbers in a row! Think fast, score big! * Smart point system: Earn bonuses by solving grids efficiently! * Time-based multipliers: Solve puzzles quickly for higher scores! * Game Center support: Compete with friends and climb the global leaderboards! Endless Challenges! * Six difficulty levels: Unlock harder modes as you improve! * Unlimited unique puzzles: No two grids are the same! * Clean, modern design: Smooth animations & intuitive controls! Ready to train your brain? Download Puzzle IO - Binary Sudoku now and start playing!
Screenshots
Verdict
The clearest difference is in-app purchases: Zuzu · Binary Puzzle Game at none against Puzzle IO's 1. Zuzu · Binary Puzzle Game also leads on review sentiment (83% vs 75%). Puzzle IO's advantage is update cadence (every 3 weeks vs every 4 months) and ratings volume (348 vs 67). On price, rating, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Puzzle IO sells 1 one-off in-app purchase. Zuzu · Binary Puzzle Game asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.5 for Zuzu · Binary Puzzle Game against 4.6 for Puzzle IO. That said, the two scores are not equally well evidenced: Puzzle IO has 348 ratings behind it against 67, so its average is the more settled of the two. Written reviews are what separate them: 83% of Zuzu · Binary Puzzle Game's written reviews are positive against 75% of Puzzle IO's.
Zuzu · Binary Puzzle Game ships an update every 4 months, Puzzle IO every 3 weeks. The most recent releases landed on September 24, 2026 and September 18, 2026 respectively.
| Parameter | Zuzu · Binary Puzzle Game | Puzzle IO |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (67 ratings) | 4.6 (348 ratings) — better |
| Positive reviews | 83.1% of reviews — better | 74.6% of reviews |
| Number of ratings | 67 | 348 — better |
| Update frequency | Every 4 months | Every 3 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 39 MB | 107 MB |
| Age rating | 4+ | 4+ |
| Developer | Matthew Murphy | 99 Up Games |
Customer experience
Zuzu · Binary Puzzle Game
Puzzle IO
Bugs and requests
Zuzu · Binary Puzzle Game
Not enough reviews yet to summarise bugs or requests.
Puzzle IO
Reported bugs
4 issues- Incorrect error detection on completed rows/columns
- Frequent crashes and bugs
- Game sometimes freezes or becomes unresponsive
- Ads not loading properly, preventing gameplay
Requested features
5 requests- Dark mode option
- Better hint system that explains the logic
- Option to turn off row/column completion notifications
- More challenging puzzle levels
- Ability to create and save custom puzzles
In-app purchases
Zuzu · Binary Puzzle Game
No in-app purchases
Puzzle IO
- Remove Ads$2.99
Questions
Is Zuzu · Binary Puzzle Game free?
Is Puzzle IO free?
Which has better reviews, Zuzu · Binary Puzzle Game or Puzzle IO?
Do Zuzu · Binary Puzzle Game or Puzzle IO have ads?
Which is updated more often, Zuzu · Binary Puzzle Game or Puzzle IO?
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