# Engineering Adventures vs Osmo Words Classic

The clearest difference is monetization model: Engineering Adventures at free against Osmo Words Classic's free with in-app purchases. Engineering Adventures also leads on iOS requirement (8.0 vs 15.0). Osmo Words Classic's advantage is ratings volume (271 vs 3) and rating (4.0 vs 3.7). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

Osmo Words Classic holds the better App Store score, 4.0 against 3.7. That said, the two scores are not equally well evidenced: Osmo Words Classic has 271 ratings behind it against 3, so its average is the more settled of the two. Written reviews split almost evenly too, at 33% and 34% positive.

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

## The numbers

| Metric | Engineering Adventures | Osmo Words Classic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/engineering-adventures/id724905971/reviews) | **[4.0 (271 ratings)](https://appshunter.io/ios/app/osmo-words-classic/id876514856/reviews)** |
| Number of ratings | 3 | **271** |
| Positive reviews | 33.3% of reviews | **33.9% 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 | 305 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 Words Classic

[App page](https://appshunter.io/ios/app/osmo-words-classic/id876514856)

Embark on a word puzzle adventure where you guess and spell words based on on-screen images. Engage in collaborative or competitive play with friends or AI characters. This app blends physical and digital play for a magical learning experience.

**Highlights:** Guess and spell words from images, Collaborative and competitive play, Physical and digital interaction, Word puzzle adventure, Hands-on learning experience

**In-app purchases:** none

**What reviewers like**

- 👨‍👧‍👦 Engaging learning experience for children
- 🎮 Fun competitive gameplay with family members
- 📚 Helps kids recognize words and improve reading
- 🎨 Beautiful visual design and illustrations
- ⚡ Interactive and captivating gameplay mechanics

**What reviewers complain about**

- 🐛 Frequent app crashes and freezing issues
- ⏱️ Unrealistic time limits for young learners
- 🖼️ Obscure and misleading picture clues
- 🇺🇸 US English vocabulary not suitable for international users
- 🔤 Only uppercase letters, not lowercase

**Reported bugs**

- App crashes on startup or during gameplay
- App closes unexpectedly after completing levels
- Tile recognition fails (e.g., D recognized as C, B as P)
- Stuck on 'Please Wait, Downloading' screen indefinitely
- White/blank screen on app launch

**Requested features**

- Lowercase letter option for early readers
- Adjustable difficulty settings and timer options
- More vocabulary words and content levels
- Chapter 2 and additional game chapters
- Ability to load custom images and family names


## Frequently asked questions

### Is Engineering Adventures free?

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

### Is Osmo Words Classic free?

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

### Which has better reviews, Engineering Adventures or Osmo Words Classic?

Osmo Words Classic is rated higher. Engineering Adventures averages 3.7 out of 5 from 3 ratings, while Osmo Words Classic averages 4.0 from 271 ratings.

### Do Engineering Adventures or Osmo Words Classic have ads?

Neither Engineering Adventures nor Osmo Words Classic shows ads.

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

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