# Engineering Adventures vs Osmo Monster

The clearest difference is rating: Osmo Monster at 4.1 against Engineering Adventures's 3.7. Osmo Monster also leads on review sentiment (61% vs 33%) and ratings volume (769 vs 3). Engineering Adventures's advantage is monetization model (free vs free with in-app purchases) and iOS requirement (8.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Osmo Monster holds the better App Store score, 4.1 against 3.7. That said, the two scores are not equally well evidenced: Osmo Monster has 769 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 33% of Engineering Adventures's written reviews are positive against 61% of Osmo Monster's.

Engineering Adventures ships an update every 7 months, Osmo Monster every 2 months. The most recent releases landed on November 11, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | Engineering Adventures | Osmo Monster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/engineering-adventures/id724905971/reviews) | **[4.1 (769 ratings)](https://appshunter.io/ios/app/osmo-monster/id1065590798/reviews)** |
| Number of ratings | 3 | **769** |
| Positive reviews | 33.3% of reviews | **61.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 159 MB | 567 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Museum of Science](https://appshunter.io/developer/700803386) | [Tangible Play](https://appshunter.io/developer/799157444) |

## 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


### Osmo Monster

[App page](https://appshunter.io/ios/app/osmo-monster/id1065590798)

Transform your child's drawings into animated characters that come alive in a magical world. Create and share animated adventures with friends and family, bringing imagination to life through interactive play.

**Highlights:** Drawings brought to life, Create animated stories, Save and share adventures, Interactive character creation, Magical world integration

**In-app purchases:** none

**What reviewers like**

- 👍 Fun and interactive game
- 🤩 Brings drawings to life
- 😊 Loved by kids
- 🎨 Encourages creativity

**What reviewers complain about**

- 🐛 Glitches and bugs with drawing recognition
- 💰 Requires additional accessories to fully function
- ⏱️ Limited content and repetitive after a while
- 🔊 Sound issues and missing features

**Reported bugs**

- Drawings not showing up correctly
- Compatibility issues with newer iPads
- Sound not working in the app
- Frequent crashes and freezes

**Requested features**

- Add more adventures and stories
- Improve drawing recognition and responsiveness
- Introduce new gameplay modes
- Add support for newer iPad models
- Provide French and other language options


## Frequently asked questions

### Is Engineering Adventures free?

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

### Is Osmo Monster free?

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

### Which has better reviews, Engineering Adventures or Osmo Monster?

Osmo Monster is rated higher. Engineering Adventures averages 3.7 out of 5 from 3 ratings, while Osmo Monster averages 4.1 from 769 ratings.

### Do Engineering Adventures or Osmo Monster have ads?

Neither Engineering Adventures nor Osmo Monster shows ads.

### Which is updated more often, Engineering Adventures or Osmo Monster?

Engineering Adventures ships an update every 7 months, and Osmo Monster every 2 months. Most recently, Engineering Adventures was updated on November 11, 2026 and Osmo Monster on November 12, 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.*