# Coding Game vs Sudoku Brain Puzzle Book

The clearest difference is in-app purchases: Sudoku Brain Puzzle Book at none against Coding Game's 2. Sudoku Brain Puzzle Book also leads on update cadence (every 4 days vs every 4 months). Coding Game's advantage is iOS requirement (11.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Coding Game sells 2 one-off in-app purchases. Sudoku Brain Puzzle Book asks for nothing beyond the download.

Coding Game ships an update every 4 months, Sudoku Brain Puzzle Book every 4 days. The most recent releases landed on October 9, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Coding Game | Sudoku Brain Puzzle Book |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (771 ratings)](https://appshunter.io/ios/app/coding-game-binary-hacker/id1263212152/reviews)** | — |
| Number of ratings | **771** | — |
| Positive reviews | 74.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 151 MB | 40 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Reicher](https://appshunter.io/developer/1263212151) | [Onur Celik](https://appshunter.io/developer/1870662813) |

## What reviewers say

### Coding Game

[App page](https://appshunter.io/ios/app/coding-game-binary-hacker/id1263212152)

Test your brainpower and problem-solving skills by converting decimal numbers to binary. Compete with friends, climb global leaderboards, and unlock new themes and wallpapers. Enjoy addictive puzzles and improve your mental math.

**Highlights:** Decimal to binary conversion challenges, Compete with friends and global leaderboards, Unlock new themes and wallpapers, Improve mental math and problem-solving skills, Learn the binary system, Addictive puzzles for all skill levels

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |
| Buy 150 Keys | $2.99 | one-time |

**What reviewers like**

- 👍 Fun and addictive
- 🧠 Helps improve math skills
- 🎓 Great for learning binary
- 🕰️ Good for killing time

**What reviewers complain about**

- 🕹️ Timer can be stressful
- 🌐 Too many ads
- 🔍 Lack of screen adjustment
- 🐛 Some bugs reported

**Reported bugs**

- Screen goes black after losing
- Rank/progress issues
- Unable to get grand master medal

**Requested features**

- Add PVP option
- Include binary to decimal conversion
- Provide an untimed practice mode
- Add a tutorial or overview


### Sudoku Brain Puzzle Book

[App page](https://appshunter.io/ios/app/sudoku-brain-puzzle-book/id6758736839)

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

**In-app purchases:** none


## Frequently asked questions

### Is Coding Game free?

Coding Game is free to download, with in-app purchases available.

### Is Sudoku Brain Puzzle Book free?

Sudoku Brain Puzzle Book is free to download, with no in-app purchases.

### Do Coding Game or Sudoku Brain Puzzle Book have ads?

Neither Coding Game nor Sudoku Brain Puzzle Book shows ads.

### Which is updated more often, Coding Game or Sudoku Brain Puzzle Book?

Coding Game ships an update every 4 months, and Sudoku Brain Puzzle Book every 4 days. Most recently, Coding Game was updated on October 9, 2026 and Sudoku Brain Puzzle Book on October 5, 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.*