# Science vs Dodoo Sudoku

The clearest difference is price: Dodoo Sudoku at Free against Science's $0.99. Dodoo Sudoku also leads on update cadence (every 5 weeks vs every 27 months) and device support (3 vs 1). Science's advantage is in-app purchases (none vs 1). On ads there is nothing between them.

Dodoo Sudoku is free to download; Science costs $0.99 up front. Dodoo Sudoku sells 1 one-off in-app purchase. Science asks for nothing beyond the download.

Science ships an update every 27 months, Dodoo Sudoku every 5 weeks. The most recent releases landed on September 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Science | Dodoo Sudoku |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/dodoo-sudoku/id1490964176/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 5 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 23 MB | 118 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | Apple TV | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Illés László](https://appshunter.io/developer/316890672) | [Yunbu Innovation](https://appshunter.io/developer/1356046616) |

## What reviewers say

### Science

[App page](https://appshunter.io/ios/app/science-solarsystem/id1054480020)

**In-app purchases:** none


### Dodoo Sudoku

[App page](https://appshunter.io/ios/app/dodoo-sudoku/id1490964176)

This educational game uses cute animal icons instead of numbers for Sudoku puzzles, designed to enhance children's coordination, thinking flexibility, and concentration. It features a charming paper-cut art style and progressively challenging levels across five themed chapters.

**Highlights:** Animal icon Sudoku puzzles, Paper-cut art style, Five themed chapters, Increasing difficulty levels, Customizable chessboards, Parent-child cooperative play

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Theme All | $2.99 | one-time |


## Frequently asked questions

### Is Science free?

Science costs $0.99, with no in-app purchases.

### Is Dodoo Sudoku free?

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

### Do Science or Dodoo Sudoku have ads?

Neither Science nor Dodoo Sudoku shows ads.

### Which is updated more often, Science or Dodoo Sudoku?

Science ships an update every 27 months, and Dodoo Sudoku every 5 weeks. Most recently, Science was updated on September 15, 2026 and Dodoo Sudoku 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.*