# Guess the Code HD vs Osmo Tangram Classic

The clearest difference is review sentiment: Guess the Code HD at 90% against Osmo Tangram Classic's 47%. Guess the Code HD also leads on rating (4.4 vs 3.8) and iOS requirement (7.0 vs 15.0). Osmo Tangram Classic's advantage is update cadence (every 2 months vs every 7 months) and device support (3 vs 1). On price, ratings volume, 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.

Guess the Code HD holds the better App Store score, 4.4 against 3.8. Both are backed by a comparable volume of ratings — 114 and 314 respectively. Written reviews point the same way: 90% of Guess the Code HD's written reviews are positive against 47% of Osmo Tangram Classic's.

Guess the Code HD ships an update every 7 months, Osmo Tangram Classic every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Guess the Code HD | Osmo Tangram Classic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (114 ratings)](https://appshunter.io/ios/app/guess-the-code-hd/id397220426/reviews)** | [3.8 (314 ratings)](https://appshunter.io/ios/app/osmo-tangram-classic/id876510541/reviews) |
| Number of ratings | 114 | **314** |
| Positive reviews | **89.8% of reviews** | 46.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 50 MB | 172 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Optime Software LLC](https://appshunter.io/developer/289278460) | [Tangible Play](https://appshunter.io/developer/799157444) |

## What reviewers say

### Guess the Code HD

[App page](https://appshunter.io/ios/app/guess-the-code-hd/id397220426)

Crack the secret color code in this engaging puzzle game. Test your logic and deduction skills to guess the correct sequence within a limited number of attempts. Features include customizable difficulty and a special mode for colorblind players.

**Highlights:** Secret code cracking, Configurable difficulty levels, Colorblind mode ('Use Letters'), Automatic save functionality, Great graphics and sound effects

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to understand
- 👍 Good interface
- 👍 Excellent graphics
- 👍 Challenging and fun
- 👍 Reminds of classic Mastermind game

**What reviewers complain about**

- 🐛 Inconsistent clues/hints
- 🔨 Hard to select colors
- 🔨 Vertically fixed, would prefer rotation
- 🔨 Difficult to tell apart gray and white pegs

**Reported bugs**

- Incorrect hints/feedback on color placement
- Compatibility issues on older devices

**Requested features**

- Allow multiple pegs of the same color
- Add online/multiplayer mode
- Implement undo feature
- Introduce more color options
- Add scoring system and statistics tracking


### 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 Guess the Code HD free?

Guess the Code HD 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, Guess the Code HD or Osmo Tangram Classic?

Guess the Code HD is rated higher. Guess the Code HD averages 4.4 out of 5 from 114 ratings, while Osmo Tangram Classic averages 3.8 from 314 ratings.

### Do Guess the Code HD or Osmo Tangram Classic have ads?

Neither Guess the Code HD nor Osmo Tangram Classic shows ads.

### Which is updated more often, Guess the Code HD or Osmo Tangram Classic?

Guess the Code HD ships an update every 7 months, and Osmo Tangram Classic every 2 months. Most recently, Guess the Code HD was updated on November 1, 2026 and Osmo Tangram Classic on November 3, 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.*