# Solid Sudoku vs Kamekoro

The clearest difference is in-app purchases: Solid Sudoku at none against Kamekoro's 3. Kamekoro's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Kamekoro sells 3 one-off in-app purchases. Solid Sudoku asks for nothing beyond the download.

Solid Sudoku ships an update every 3 days, Kamekoro every 4 days. The most recent releases landed on September 14, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Solid Sudoku | Kamekoro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 4 days |
| Size | 28 MB | 103 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sooyeol Jeong](https://appshunter.io/developer/1877260413) | [Futo Togawa](https://appshunter.io/developer/6783813985) |

## What reviewers say

### Solid Sudoku

[App page](https://appshunter.io/ios/app/solid-sudoku/id6759184547)

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

**In-app purchases:** none


### Kamekoro

[App page](https://appshunter.io/ios/app/kamekoro/id6789081791)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ocean Skin | $1.99 | one-time |
| Forest Skin | $1.99 | one-time |
| Fantasy Night Skin | $1.99 | one-time |


## Frequently asked questions

### Is Solid Sudoku free?

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

### Is Kamekoro free?

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

### Do Solid Sudoku or Kamekoro have ads?

Solid Sudoku shows ads; Kamekoro does not.

### Which is updated more often, Solid Sudoku or Kamekoro?

Solid Sudoku ships an update every 3 days, and Kamekoro every 4 days. Most recently, Solid Sudoku was updated on September 14, 2026 and Kamekoro on September 15, 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.*