# Osmo Tangram Classic vs ABC Touch Letters

The clearest difference is rating: Osmo Tangram Classic at 3.8 against ABC Touch Letters's 2.7. Osmo Tangram Classic also leads on ads (none vs shown) and ratings volume (314 vs 6). ABC Touch Letters's advantage is update cadence (fortnightly vs every 2 months) and monetization model (ad-supported vs free with in-app purchases). On price, 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 Tangram Classic holds the better App Store score, 3.8 against 2.7. That said, the two scores are not equally well evidenced: Osmo Tangram Classic has 314 ratings behind it against 6, so its average is the more settled of the two.

Osmo Tangram Classic ships an update every 2 months, ABC Touch Letters fortnightly. The most recent releases landed on November 3, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Osmo Tangram Classic | ABC Touch Letters |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (314 ratings)](https://appshunter.io/ios/app/osmo-tangram-classic/id876510541/reviews)** | [2.7 (6 ratings)](https://appshunter.io/ios/app/abc-touch-letters/id921124311/reviews) |
| Number of ratings | **314** | 6 |
| Positive reviews | 46.6% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 172 MB | 24 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tangible Play](https://appshunter.io/developer/799157444) | [Fernando Gonzalez Frias](https://appshunter.io/developer/582325220) |

## What reviewers say

### 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


### ABC Touch Letters

[App page](https://appshunter.io/ios/app/abc-touch-letters/id921124311)

A fast-paced game where players tap letters A through Z in order to achieve the best time. It helps train reflexes, visual speed, and peripheral vision. Compete with friends globally on the leaderboard and share your scores.

**Highlights:** Tap letters A-Z quickly, Improve reflexes and visual speed, Global leaderboard, Score sharing, Classic Mode, Color Mode

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Osmo Tangram Classic free?

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

### Is ABC Touch Letters free?

ABC Touch Letters is free to download, with no in-app purchases.

### Which has better reviews, Osmo Tangram Classic or ABC Touch Letters?

Osmo Tangram Classic is rated higher. Osmo Tangram Classic averages 3.8 out of 5 from 314 ratings, while ABC Touch Letters averages 2.7 from 6 ratings.

### Do Osmo Tangram Classic or ABC Touch Letters have ads?

ABC Touch Letters shows ads; Osmo Tangram Classic does not.

### Which is updated more often, Osmo Tangram Classic or ABC Touch Letters?

Osmo Tangram Classic ships an update every 2 months, and ABC Touch Letters fortnightly. Most recently, Osmo Tangram Classic was updated on November 3, 2026 and ABC Touch Letters on November 1, 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.*