# Eric's Sudoku vs Cube Runner Alpha

The clearest difference is in-app purchases: Cube Runner Alpha at none against Eric's Sudoku's 4. Cube Runner Alpha also leads on ads (none vs shown) and update cadence (every 5 days vs every 6 months). On price and device support there is nothing between them.

Both are free to download. Eric's Sudoku sells 4 one-off in-app purchases. Cube Runner Alpha asks for nothing beyond the download.

Eric's Sudoku ships an update every 6 months, Cube Runner Alpha every 5 days. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Eric's Sudoku | Cube Runner Alpha |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.8K ratings)](https://appshunter.io/ios/app/erics-sudoku-classic-puzzles/id555050672/reviews)** | — |
| Number of ratings | **1.8K** | — |
| Positive reviews | 90.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 53 MB | 57 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eric Snider](https://appshunter.io/developer/331397631) | [Ahmet Suba](https://appshunter.io/developer/1729658617) |

## What reviewers say

### Eric's Sudoku

[App page](https://appshunter.io/ios/app/erics-sudoku-classic-puzzles/id555050672)

Engage in a classic number puzzle game with multiple difficulty levels, from simple to expert. Enjoy beautiful graphics, smooth gameplay, and helpful features like hints and note-taking. Unlock new puzzle packs by earning tokens through achievements.

**Highlights:** 5 difficulty levels, Over 5,500 puzzles, Hint button, Pen and pencil modes, Token-based achievement system, Auto-remove pencil notes, Highlight matching numbers

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Some Tokens | $0.99 | one-time |
| More Tokens | $2.99 | one-time |
| A lot of Tokens | $3.99 | one-time |
| Unlimited Tokens & remove ads | $4.99 | one-time |

**What reviewers like**

- 👍 Well-designed interface
- 🚀 Smooth gameplay
- 💡 Helpful features like pencil mode
- 👍 Variety of difficulty levels
- 👍 Enjoyable and challenging

**What reviewers complain about**

- 🔒 Concerns about monetization and ads
- 🐛 Occasional bugs and crashes
- 🔋 Drains battery life
- 👎 Buttons too close to ads

**Reported bugs**

- Inconsistent saving of progress
- Puzzle ratings not always accurate

**Requested features**

- Dark mode option
- Ability to disable mistake highlighting
- More puzzle packs and higher difficulty levels


### Cube Runner Alpha

[App page](https://appshunter.io/ios/app/cube-runner-alpha/id6744658987)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Eric's Sudoku free?

Eric's Sudoku is free to download, with in-app purchases available.

### Is Cube Runner Alpha free?

Cube Runner Alpha is free to download, with no in-app purchases.

### Do Eric's Sudoku or Cube Runner Alpha have ads?

Eric's Sudoku shows ads; Cube Runner Alpha does not.

### Which is updated more often, Eric's Sudoku or Cube Runner Alpha?

Eric's Sudoku ships an update every 6 months, and Cube Runner Alpha every 5 days. Most recently, Eric's Sudoku was updated on November 1, 2026 and Cube Runner Alpha on October 25, 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.*