# Engineering Adventures vs sūdoku battle

The clearest difference is rating: sūdoku battle at 5.0 against Engineering Adventures's 3.7. Engineering Adventures's advantage is in-app purchases (none vs 1) and device support. On price, ratings volume and monetization model there is nothing between them.

Both are free to download. sūdoku battle sells 1 one-off in-app purchase. Engineering Adventures asks for nothing beyond the download.

sūdoku battle holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

## The numbers

| Metric | Engineering Adventures | sūdoku battle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/engineering-adventures/id724905971/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sudoku-battle/id6760365726/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Every 7 months | — |
| Monetization | Free | Free |
| Size | 159 MB | 4 MB |
| Requires iOS | **8.0** | 16.6 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Museum of Science](https://appshunter.io/developer/700803386) | [Ehsan P](https://appshunter.io/developer/1884106217) |

## What reviewers say

### Engineering Adventures

[App page](https://appshunter.io/ios/app/engineering-adventures/id724905971)

This app complements an out-of-school engineering curriculum by providing audio messages triggered by QR codes in accompanying journals. It covers 11 different engineering units, from building earthquake-resistant structures to designing space gloves.

**Highlights:** QR code scanner, Audio messages from characters, 11 engineering units, Complements curriculum, Interactive learning

**Features:** macOS Compatibility

**In-app purchases:** none


### sūdoku battle

[App page](https://appshunter.io/ios/app/sudoku-battle/id6760365726)

Engage in real-time multiplayer Sudoku challenges against friends or AI. Features a clean design, multiple difficulty levels, and progress tracking with achievements. Suitable for all skill levels, from beginners to experts.

**Highlights:** Real-time multiplayer battles, Challenge friends locally or online, Compete against AI bots, Three difficulty levels (easy, medium, hard), Track stats and collect achievements, Customizable themes

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $4.99 | one-time |


## Frequently asked questions

### Is Engineering Adventures free?

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

### Is sūdoku battle free?

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

### Which has better reviews, Engineering Adventures or sūdoku battle?

sūdoku battle is rated higher. Engineering Adventures averages 3.7 out of 5 from 3 ratings, while sūdoku battle averages 5.0 from 2 ratings.

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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.*