# Solid Sudoku vs Sudoku Woo

The clearest difference is in-app purchases: Solid Sudoku at none against Sudoku Woo's 8. Solid Sudoku also leads on update cadence (every 3 days vs every 9 days) and iOS requirement (14.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Sudoku Woo sells 8 one-off in-app purchases. Solid Sudoku asks for nothing beyond the download.

Solid Sudoku ships an update every 3 days, Sudoku Woo every 9 days. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Solid Sudoku | Sudoku Woo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sudoku-woo-calm-logic-puzzles/id6775997171/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 9 days |
| Monetization | — | Free with in-app purchases |
| Size | 28 MB | 12 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sooyeol Jeong](https://appshunter.io/developer/1877260413) | [Dumitru Rogojinaru](https://appshunter.io/developer/6775997173) |

## 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


### Sudoku Woo

[App page](https://appshunter.io/ios/app/sudoku-woo-calm-logic-puzzles/id6775997171)

Engage in a calming Sudoku experience with daily challenges and multiple difficulty levels. Enjoy beautiful themes, customizable gameplay, and offline play. Track your progress and learn new solving techniques.

**Highlights:** Daily Sudoku challenges, Seven difficulty levels, Gorgeous customizable themes, Zen mode for relaxation, Full offline play, Progress syncing with iCloud, Step-by-step solving lessons

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Handful of Coins | $0.99 | one-time |
| Hallow Pass | $2.99 | one-time |
| Stack of Coins | $4.99 | one-time |
| Pile of Coins | $9.99 | one-time |
| Remove Ads | $9.99 | one-time |
| Starter Pack | $10.99 | one-time |
| Chest of Coins | $19.99 | one-time |
| Vault of Coins | $49.99 | one-time |


## Frequently asked questions

### Is Solid Sudoku free?

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

### Is Sudoku Woo free?

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

### Do Solid Sudoku or Sudoku Woo have ads?

Both Solid Sudoku and Sudoku Woo show ads.

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

Solid Sudoku ships an update every 3 days, and Sudoku Woo every 9 days. Most recently, Solid Sudoku was updated on October 28, 2026 and Sudoku Woo on October 24, 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.*