# Calcudoku (Puzzle) vs Masyu

The clearest difference is rating: Masyu at 5.0 against Calcudoku (Puzzle)'s 4.0. Calcudoku (Puzzle)'s advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 15.5). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Masyu sells 1 one-off in-app purchase. Calcudoku (Puzzle) asks for nothing beyond the download.

Masyu holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Calcudoku (Puzzle) ships an update every 4 weeks, Masyu fortnightly. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Calcudoku (Puzzle) | Masyu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/calcudoku-puzzle/id6760603843/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/masyu-logic-loop-puzzle/id6791872520/reviews)** |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 weeks | **Fortnightly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 10 MB | 67 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Aliaksandr Uvarau](https://appshunter.io/developer/960171474) | [建明 顾](https://appshunter.io/developer/1637867417) |

## What reviewers say

### Calcudoku (Puzzle)

[App page](https://appshunter.io/ios/app/calcudoku-puzzle/id6760603843)

Engage your mind with a logic puzzle that blends Sudoku-style number placement with arithmetic operations. Solve over 4,000 offline puzzles using pure deduction, no guessing required. Features multiple difficulty levels and helpful in-game tools.

**Highlights:** 4,204 offline levels, 6 difficulty levels, Optional game timer, Hints and undo button, Automatic game save, Day and night modes

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

**In-app purchases:** none


### Masyu

[App page](https://appshunter.io/ios/app/masyu-logic-loop-puzzle/id6791872520)

Solve the classic Japanese pearl puzzle by drawing a single, closed loop that passes through every black and white pearl. Enjoy deep logic challenges with intuitive touch controls, multiple grid sizes, and daily or random challenges for endless replayability. Track your progress with missions and aim for your best scores.

**Highlights:** Authentic Masyu/Pearl Puzzle gameplay, Multiple grid sizes (5x7 to 10x15), Daily and Random Challenges, Offline play with timer and scores, Progress tracking with missions, Intuitive touch controls

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30 puzzles | $0.99 | one-time |


## Frequently asked questions

### Is Calcudoku (Puzzle) free?

Calcudoku (Puzzle) is free to download, with no in-app purchases.

### Is Masyu free?

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

### Which has better reviews, Calcudoku (Puzzle) or Masyu?

Masyu is rated higher. Calcudoku (Puzzle) averages 4.0 out of 5 from 1 ratings, while Masyu averages 5.0 from 1 ratings.

### Do Calcudoku (Puzzle) or Masyu have ads?

Both Calcudoku (Puzzle) and Masyu show ads.

### Which is updated more often, Calcudoku (Puzzle) or Masyu?

Calcudoku (Puzzle) ships an update every 4 weeks, and Masyu fortnightly. Most recently, Calcudoku (Puzzle) was updated on October 28, 2026 and Masyu on October 31, 2026.

---

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