# BigSeed vs Osmo Tangram Classic

BigSeed and Osmo Tangram Classic both sit at 3.9 stars, but that hides the real split: 77% of BigSeed's written reviews are positive against 47% of Osmo Tangram Classic's. BigSeed also leads on monetization model (free vs free with in-app purchases) and iOS requirement (9.0 vs 15.0). Osmo Tangram Classic's advantage is update cadence (every 2 months vs every 10 months) and device support (3 vs 1). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 3.9 for BigSeed against 3.8 for Osmo Tangram Classic. Both are backed by a comparable volume of ratings — 138 and 314 respectively. Written reviews are what separate them: 77% of BigSeed's written reviews are positive against 47% of Osmo Tangram Classic's.

BigSeed ships an update every 10 months, Osmo Tangram Classic every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | BigSeed | Osmo Tangram Classic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (138 ratings)](https://appshunter.io/ios/app/bigseed/id482245645/reviews)** | [3.8 (314 ratings)](https://appshunter.io/ios/app/osmo-tangram-classic/id876510541/reviews) |
| Number of ratings | 138 | **314** |
| Positive reviews | **76.7% of reviews** | 46.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 10 MB | 172 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MIND Research Institute](https://appshunter.io/developer/438373031) | [Tangible Play](https://appshunter.io/developer/799157444) |

## What reviewers say

### BigSeed

[App page](https://appshunter.io/ios/app/bigseed/id482245645)

A logic puzzle game where players unfold colored tiles to fill empty cells. Designed to challenge critical thinking and problem-solving skills, it offers a word-free experience suitable for all ages. Progress is tracked, and multiple profiles are supported.

**Highlights:** Unfold colored seed tiles, Fill empty cells perfectly, Word-free problem solving, Intuitive touch controls, Track progress with graphs, Support for multiple profiles

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 BigSeed free?

BigSeed 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, BigSeed or Osmo Tangram Classic?

BigSeed is rated higher. BigSeed averages 3.9 out of 5 from 138 ratings, while Osmo Tangram Classic averages 3.8 from 314 ratings.

### Do BigSeed or Osmo Tangram Classic have ads?

Neither BigSeed nor Osmo Tangram Classic shows ads.

### Which is updated more often, BigSeed or Osmo Tangram Classic?

BigSeed ships an update every 10 months, and Osmo Tangram Classic every 2 months. Most recently, BigSeed 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.*