# Sudoku Nutz vs Chessferatu

The clearest difference is price: Chessferatu at Free against Sudoku Nutz's $0.99. Chessferatu also leads on update cadence (every 2 weeks vs monthly) and device support (4 vs 2). Sudoku Nutz's advantage is in-app purchases (none vs 3) and iOS requirement (13.0 vs 15.0). On ads there is nothing between them.

Chessferatu is free to download; Sudoku Nutz costs $0.99 up front. Chessferatu sells 3 one-off in-app purchases. Sudoku Nutz asks for nothing beyond the download.

Sudoku Nutz ships an update monthly, Chessferatu every 2 weeks. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Sudoku Nutz | Chessferatu |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/chessferatu/id6767737492/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 354 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 9+ |
| Developer | [Richard Owen](https://appshunter.io/developer/473661523) | [Half-Cocked Studios](https://appshunter.io/developer/1896504941) |

## What reviewers say

### Sudoku Nutz

[App page](https://appshunter.io/ios/app/sudoku-nutz/id1477370616)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chessferatu

[App page](https://appshunter.io/ios/app/chessferatu/id6767737492)

Learn and practice chess openings through a gamified experience with eerie rivals and high-stakes decisions. Study, battle, and improve with focused play modes, detailed move analysis, and lifetime stats. Features a distinctive horror-inspired presentation for a unique training approach.

**Highlights:** Gamified chess learning, Offline capability, Study opening lines, Battle mode for openings, Detailed move analysis, Lifetime stats tracking, Horror-inspired presentation

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Opponents | $4.99 | one-time |
| Remove Ads | $4.99 | one-time |
| Magic Keyring | $9.99 | one-time |


## Frequently asked questions

### Is Sudoku Nutz free?

Sudoku Nutz costs $0.99, with no in-app purchases.

### Is Chessferatu free?

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

### Do Sudoku Nutz or Chessferatu have ads?

Both Sudoku Nutz and Chessferatu show ads.

### Which is updated more often, Sudoku Nutz or Chessferatu?

Sudoku Nutz ships an update monthly, and Chessferatu every 2 weeks. Most recently, Sudoku Nutz was updated on November 7, 2026 and Chessferatu on October 31, 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.*