# Puzzle IO vs Binary Sudoku+

Puzzle IO and Binary Sudoku+ both sit at 4.6 stars, but that hides the real split: 74% of Puzzle IO's written reviews are positive against 40% of Binary Sudoku+'s. Puzzle IO also leads on iOS requirement (13.0 vs 15.0). Binary Sudoku+'s advantage is update cadence (every 9 days vs every 3 weeks). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Puzzle IO sells 1 one-off in-app purchase and Binary Sudoku+ sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for Puzzle IO against 4.7 for Binary Sudoku+. Both are backed by a comparable volume of ratings — 348 and 190 respectively. Written reviews are what separate them: 74% of Puzzle IO's written reviews are positive against 40% of Binary Sudoku+'s.

Puzzle IO ships an update every 3 weeks, Binary Sudoku+ every 9 days. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Puzzle IO | Binary Sudoku+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (348 ratings)](https://appshunter.io/ios/app/puzzle-io-binary-sudoku/id1145765167/reviews) | **[4.7 (190 ratings)](https://appshunter.io/ios/app/binary-sudoku-plus/id6738749684/reviews)** |
| Number of ratings | **348** | 190 |
| Positive reviews | **74.3% of reviews** | 40.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 107 MB | 76 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [99 Up Games](https://appshunter.io/developer/567396068) | [Benjamin Miller](https://appshunter.io/developer/1714863070) |

## What reviewers say

### 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


### Binary Sudoku+

[App page](https://appshunter.io/ios/app/binary-sudoku-plus/id6738749684)

Engage your mind with over 1300 levels of logic puzzles that combine the calm of Tango with Sudoku's challenge. Enjoy handcrafted puzzles from easy to expert, and test your speed in challenge modes. It's a satisfying new twist on a classic brain-training experience.

**Highlights:** 1300+ levels, Handcrafted puzzles, Challenge mode, Sudoku × Symmetry twist, Brain-training, Addictive and relaxing

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Extreme Pack | $0.99 | one-time |
| Legendary Pack | $0.99 | one-time |
| Premium Icon Pack | $0.99 | one-time |
| 100 Hints | $0.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Remove Ads & Unlimited Hints | $3.99 | one-time |


## Frequently asked questions

### Is Puzzle IO free?

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

### Is Binary Sudoku+ free?

Binary Sudoku+ is free to download, with in-app purchases available.

### Which has better reviews, Puzzle IO or Binary Sudoku+?

Binary Sudoku+ is rated higher. Puzzle IO averages 4.6 out of 5 from 348 ratings, while Binary Sudoku+ averages 4.7 from 190 ratings.

### Do Puzzle IO or Binary Sudoku+ have ads?

Both Puzzle IO and Binary Sudoku+ show ads.

### Which is updated more often, Puzzle IO or Binary Sudoku+?

Puzzle IO ships an update every 3 weeks, and Binary Sudoku+ every 9 days. Most recently, Puzzle IO was updated on October 9, 2026 and Binary Sudoku+ on October 8, 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.*