# Truss Me! vs Osmo Tangram Classic

The clearest difference is rating: Osmo Tangram Classic at 3.8 against Truss Me!'s 3.4. Osmo Tangram Classic also leads on ratings volume (313 vs 24). Truss Me!'s advantage is monetization model (free vs free with in-app purchases) and review sentiment (55% vs 47%). On price, update cadence, 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 Tangram Classic holds the better App Store score, 3.8 against 3.4. That said, the two scores are not equally well evidenced: Osmo Tangram Classic has 313 ratings behind it against 24, so its average is the more settled of the two. Written reviews complicate that: 55% of Truss Me!'s written reviews are positive against 47% of Osmo Tangram Classic's, so the app with the better star average is not the one people write more warmly about.

Truss Me! ships an update every 3 months, Osmo Tangram Classic every 2 months. The most recent releases landed on November 1, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | Truss Me! | Osmo Tangram Classic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (24 ratings)](https://appshunter.io/ios/app/truss-me/id732367282/reviews) | **[3.8 (313 ratings)](https://appshunter.io/ios/app/osmo-tangram-classic/id876510541/reviews)** |
| Number of ratings | 24 | **313** |
| Positive reviews | **55.3% of reviews** | 47.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 62 MB | 172 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SCIENTIFIC MONKEY LLC](https://appshunter.io/developer/732367285) | [Tangible Play](https://appshunter.io/developer/799157444) |

## What reviewers say

### Truss Me!

[App page](https://appshunter.io/ios/app/truss-me/id732367282)

Learn structural design principles through engaging challenges. Build light and strong structures to earn rewards, with realistic simulations reflecting real-world physics. Ideal for educational and recreational purposes.

**Highlights:** Learn structural design, Realistic physics simulation, Design light and strong structures, Earn in-game rewards, Educational challenges

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 💡 Educational and insightful
- 🧠 Brain workout and challenging
- 🎮 Fun and addictive gameplay
- 🔧 Realistic physics engine
- 📈 Good for learning structural basics

**What reviewers complain about**

- ❓ No instructions or guidance
- 📉 Frustrating UI/UX
- 🧱 Structures collapse easily
- ⚖️ Physics engine not always accurate
- 🎮 Limited levels

**Reported bugs**

- Too many bugs
- Crashes regularly
- Screen flickers and shows code
- Items on screen become unselectable after flicker
- Adding members doesn't work or is not obvious

**Requested features**

- Add save and load functionality for designs
- Implement snap-to features for easier manipulation
- Provide coordinate/angle readouts
- Add a way to make structures symmetrical
- Include word balloons for control identification


### Osmo Tangram Classic

[App page](https://appshunter.io/ios/app/osmo-tangram-classic/id876510541)

Arrange physical puzzle pieces to match on-screen shapes in this engaging game. Challenge yourself or play with a friend through hundreds of levels. Explore diverse worlds and discover treasures as you solve spatial puzzles.

**Highlights:** Match physical pieces to on-screen shapes, Hundreds of visual and spatial puzzles, Play solo or with a friend, Explore themed worlds, Award-winning design, Brain-training challenges

**In-app purchases:** none

**What reviewers like**

- 🎮 Engaging and fun gameplay for children
- 🧠 Educational value for learning and spatial reasoning
- 👨‍👩‍👧‍👦 Great for family entertainment and bonding
- 🎯 Well-designed puzzle progression and difficulty levels
- 🏆 Rewarding achievement system with gems and figurines

**What reviewers complain about**

- 📱 Compatibility issues with newer iPad and iPhone models
- 🐛 Camera frequently fails to recognize puzzle pieces
- ❌ App crashes and freezes during gameplay
- ⚙️ Requires expensive physical hardware kit ($40+)
- 💾 Progress not saved properly between sessions

**Reported bugs**

- Camera does not detect tangram pieces consistently
- App stuck on loading screen
- Puzzle completion not recognized despite correct placement
- Screen freezes during gameplay
- Pieces appear in multiple locations simultaneously

**Requested features**

- Advanced difficulty mode for older children and adults
- Multiplayer gameplay option
- Adult-oriented version for therapeutic use
- Improved piece detection and camera sensitivity
- Smaller app file size


## Frequently asked questions

### Is Truss Me! free?

Truss Me! is free to download, with no in-app purchases.

### Is Osmo Tangram Classic free?

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

### Which has better reviews, Truss Me! or Osmo Tangram Classic?

Osmo Tangram Classic is rated higher. Truss Me! averages 3.4 out of 5 from 24 ratings, while Osmo Tangram Classic averages 3.8 from 313 ratings.

### Do Truss Me! or Osmo Tangram Classic have ads?

Neither Truss Me! nor Osmo Tangram Classic shows ads.

### Which is updated more often, Truss Me! or Osmo Tangram Classic?

Truss Me! ships an update every 3 months, and Osmo Tangram Classic every 2 months. Most recently, Truss Me! was updated on November 1, 2026 and Osmo Tangram Classic on November 11, 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.*