# Sudoku vs Chronos Augmented Reality

The clearest difference is update cadence: Chronos Augmented Reality at every 2 days against Sudoku's every 5 weeks. Sudoku's advantage is iOS requirement (13.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Sudoku sells 3 in-app purchases, starting at $0.99 per month and Chronos Augmented Reality sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Sudoku ships an update every 5 weeks, Chronos Augmented Reality every 2 days. The most recent releases landed on November 7, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Sudoku | Chronos Augmented Reality |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (660 ratings)](https://appshunter.io/ios/app/sudoku-aged-studio/id1527531742/reviews)** | — |
| Number of ratings | **660** | — |
| Positive reviews | 50.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 136 MB | 16 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Aged Studio Limited](https://appshunter.io/developer/1482887934) | [Peter Rakke](https://appshunter.io/developer/6799682134) |

## What reviewers say

### Sudoku

[App page](https://appshunter.io/ios/app/sudoku-aged-studio/id1527531742)

This logic puzzle game challenges you to fill a 9x9 grid with numbers 1-9, ensuring no repeats in rows, columns, or sub-grids. It offers multiple difficulty levels, helpful tools like hints and undo, and daily challenges to sharpen your brain and memory.

**Highlights:** 4 difficulty levels, Daily and My Challenges, Hint and Undo/Redo functions, Highlighting for selected numbers, Automatic error-checking, Multiple background styles

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads - 1 Month | $0.99 | per month |
| Remove Ads - 3 Months | $2.49 | per 3 months |
| Remove All Ads - 1 Year | $8.49 | per year |

**What reviewers like**

- 🚀 Fast and smooth gameplay
- 👍 Relaxing and challenging
- 💡 Flexible options and settings
- 🧠 Excellent mental exercise

**What reviewers complain about**

- 🔍 Excessive advertisements
- 🙄 Ads interrupt gameplay
- 🤔 Inconsistent scoring system
- 🤯 Too many ads after updates

**Reported bugs**

- Ads cause app to freeze or crash
- Subscription issues with ad removal
- Incorrect difficulty level labeling

**Requested features**

- Landscape mode support
- Auto-fill candidate numbers
- More advanced difficulty levels
- Customizable UI and themes


### Chronos Augmented Reality

[App page](https://appshunter.io/ios/app/chronos-augmented-reality/id6799682132)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Chronos | $2.99 | one-time |
| Classroom Teacher | $12.99 | one-time |


## Frequently asked questions

### Is Sudoku free?

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

### Is Chronos Augmented Reality free?

Chronos Augmented Reality is free to download, with in-app purchases available.

### Do Sudoku or Chronos Augmented Reality have ads?

Both Sudoku and Chronos Augmented Reality show ads.

### Which is updated more often, Sudoku or Chronos Augmented Reality?

Sudoku ships an update every 5 weeks, and Chronos Augmented Reality every 2 days. Most recently, Sudoku was updated on November 7, 2026 and Chronos Augmented Reality 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.*