# Tangram Master vs Goldbach conjecture

The clearest difference is device support: Tangram Master at 3 against Goldbach conjecture's —. Tangram Master also leads on iOS requirement (11.0 vs 16.0). On price 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.

## The numbers

| Metric | Tangram Master | Goldbach conjecture |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/tangram-master/id1155406782/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | — |
| Update frequency | Every 11 months | — |
| Monetization | Ad-supported | — |
| Size | 18 MB | 1 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [亚州 王](https://appshunter.io/developer/991530214) | [Sungjun Kim](https://appshunter.io/developer/1602461985) |

## What reviewers say

### Tangram Master

[App page](https://appshunter.io/ios/app/tangram-master/id1155406782)

A classic puzzle game originating from China, designed to enhance children's psychomotor and intellectual development. It playfully introduces geometric concepts through engaging challenges.

**Highlights:** Geometric concept introduction, Psychomotor skill development, Intellectual capacity enhancement, Playful learning, Classic puzzle gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### Goldbach conjecture

[App page](https://appshunter.io/ios/app/goldbach-conjecture/id6627338523)

**In-app purchases:** none


## Frequently asked questions

### Is Tangram Master free?

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

### Is Goldbach conjecture free?

Goldbach conjecture is free to download, with no in-app purchases.

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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.*