# Sudoku Master vs Linear

The clearest difference is in-app purchases: Linear at none against Sudoku Master's 4. Linear also leads on ads (none vs shown) and update cadence (daily vs every 3 weeks). Sudoku Master's advantage is iOS requirement (13.0 vs 15.6). On price and device support there is nothing between them.

Both are free to download. Sudoku Master sells 4 one-off in-app purchases. Linear asks for nothing beyond the download.

Sudoku Master ships an update every 3 weeks, Linear daily. The most recent releases landed on October 22, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Sudoku Master | Linear |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5.1K ratings)](https://appshunter.io/ios/app/sudoku-master-brain-games/id1500400013/reviews)** | — |
| Number of ratings | **5.1K** | — |
| Positive reviews | 63.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 155 MB | 48 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Joymaster Puzzle Game Studio](https://appshunter.io/developer/6772086412) | [Nandish joshi](https://appshunter.io/developer/1576474865) |

## What reviewers say

### Sudoku Master

[App page](https://appshunter.io/ios/app/sudoku-master-brain-games/id1500400013)

Engage your mind with classic Sudoku puzzles. This app offers thousands of challenges across four difficulty levels, from easy to expert. Features include daily challenges, intelligent hints, and the ability to play at your own pace without time limits.

**Highlights:** Thousands of Sudoku puzzles, Four difficulty levels, Daily Challenges, Intelligent Hints, No time limits

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 50 diamonds | $0.99 | one-time |
| 170 diamonds | $2.99 | one-time |
| Remove Ads | $3.99 | one-time |
| 600 diamonds | $9.99 | one-time |

**What reviewers like**

- 👍 Great game
- 👍 Helps keep the mind focused
- 👍 Fun and challenging
- 👍 Easy to use and play

**What reviewers complain about**

- 🐛 Deleted all games and progress
- 🐛 Numerous ads and banners
- 🐛 Difficult to see on screen
- 🐛 Annoying update changes

**Reported bugs**

- Get support tab doesn't work
- Incompatible with older devices
- Crashes and freezes

**Requested features**

- Option to turn off ads
- More challenging expert levels
- Score tracking and stats
- Customization options


### Linear

[App page](https://appshunter.io/ios/app/linear-math-row/id6755876522)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sudoku Master free?

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

### Is Linear free?

Linear is free to download, with no in-app purchases.

### Do Sudoku Master or Linear have ads?

Sudoku Master shows ads; Linear does not.

### Which is updated more often, Sudoku Master or Linear?

Sudoku Master ships an update every 3 weeks, and Linear daily. Most recently, Sudoku Master was updated on October 22, 2026 and Linear on October 6, 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.*