# Zuzu · Binary Puzzle Game vs Puzzle IO

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.

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.

## The numbers

| Metric | Zuzu · Binary Puzzle Game | Puzzle IO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (67 ratings)](https://appshunter.io/ios/app/zuzu-binary-puzzle-game/id1050532023/reviews) | **[4.6 (348 ratings)](https://appshunter.io/ios/app/puzzle-io-binary-sudoku/id1145765167/reviews)** |
| Number of ratings | 67 | **348** |
| Positive reviews | **83.1% of reviews** | 74.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 39 MB | 107 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Matthew Murphy](https://appshunter.io/developer/931157056) | [99 Up Games](https://appshunter.io/developer/567396068) |

## What reviewers say

### Zuzu · Binary Puzzle Game

[App page](https://appshunter.io/ios/app/zuzu-binary-puzzle-game/id1050532023)

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.

**Highlights:** Binary logic puzzles, Sudoku-like gameplay, Three solving rules, In-game tutorial and strategies, Stats tracker for solve times, Offline play

**Features:** Vision Pro support

**In-app purchases:** none


### Puzzle IO

[App page](https://appshunter.io/ios/app/puzzle-io-binary-sudoku/id1145765167)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |

**What reviewers like**

- 👍 Simple mechanics
- 👍 Easy to play one-handed
- 👍 Different difficulty modes
- 👍 Guess function if you're not sure of your options
- 👍 Fun and requires the right level of brain power while not being too difficult

**What reviewers complain about**

- 🐛 Hint function is not very useful
- 🐛 'Watch video' for hints doesn't work on the paid ad-free version
- 🔋 High battery consumption
- 💸 Too many ads and long ad breaks
- 🐛 Incorrect error detection on completed rows/columns

**Reported bugs**

- 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**

- 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


## Frequently asked questions

### Is Zuzu · Binary Puzzle Game free?

Zuzu · Binary Puzzle Game is free to download, with no in-app purchases.

### Is Puzzle IO free?

Puzzle IO is free to download, with in-app purchases available.

### Which has better reviews, Zuzu · Binary Puzzle Game or Puzzle IO?

Puzzle IO is rated higher. Zuzu · Binary Puzzle Game averages 4.5 out of 5 from 67 ratings, while Puzzle IO averages 4.6 from 348 ratings.

### Do Zuzu · Binary Puzzle Game or Puzzle IO have ads?

Both Zuzu · Binary Puzzle Game and Puzzle IO show ads.

### Which is updated more often, Zuzu · Binary Puzzle Game or Puzzle IO?

Zuzu · Binary Puzzle Game ships an update every 4 months, and Puzzle IO every 3 weeks. Most recently, Zuzu · Binary Puzzle Game was updated on September 24, 2026 and Puzzle IO on September 18, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*