# QSolveSudoku vs Kodo

The clearest difference is in-app purchases: Kodo at none against QSolveSudoku's 2. QSolveSudoku's advantage is ads (none vs shown) and update cadence (every 5 days vs every 14 months). On price there is nothing between them.

Both are free to download. QSolveSudoku sells 2 in-app purchases, starting at $0.49 per month. Kodo asks for nothing beyond the download.

QSolveSudoku ships an update every 5 days, Kodo every 14 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | QSolveSudoku | Kodo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 14 months |
| Size | 2 MB | 9 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [青 王](https://appshunter.io/developer/1623189929) | [Harumi Sagawa](https://appshunter.io/developer/1454250246) |

## What reviewers say

### QSolveSudoku

[App page](https://appshunter.io/ios/app/qsolvesudoku/id1639767074)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Professional Edition | $0.49 | per month |
| Professional Edition | $0.99 | one-time |


### Kodo

[App page](https://appshunter.io/ios/app/kodo-heart-museum/id6444230294)

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

**In-app purchases:** none


## Frequently asked questions

### Is QSolveSudoku free?

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

### Is Kodo free?

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

### Do QSolveSudoku or Kodo have ads?

Kodo shows ads; QSolveSudoku does not.

### Which is updated more often, QSolveSudoku or Kodo?

QSolveSudoku ships an update every 5 days, and Kodo every 14 months. Most recently, QSolveSudoku was updated on November 3, 2026 and Kodo on November 3, 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.*