# Unknown vs 逻辑思维训练

The clearest difference is in-app purchases: Unknown at none against 逻辑思维训练's 3. Unknown also leads on update cadence (fortnightly vs every 8 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 逻辑思维训练 sells 3 one-off in-app purchases. Unknown asks for nothing beyond the download.

Unknown ships an update fortnightly, 逻辑思维训练 every 8 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Unknown | 逻辑思维训练 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/unknown-tangram/id1510262744/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 8 months |
| Monetization | Ad-supported | — |
| Size | 116 MB | 17 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [凯 王](https://appshunter.io/developer/1232081310) | [杭州家之馨电子商务有限公司](https://appshunter.io/developer/1641228139) |

## What reviewers say

### Unknown

[App page](https://appshunter.io/ios/app/unknown-tangram/id1510262744)

A captivating puzzle game where players draw lines to cut shapes and earn more graphics. It's designed to be simple, fun, and stimulate creative thinking.

**Highlights:** Draw line cuts, Earn more graphics, Simple gameplay, Fun and engaging, Stimulates thinking

**In-app purchases:** none


### 逻辑思维训练

[App page](https://appshunter.io/ios/app/id6450660226)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $4.99 | one-time |
| 半年会员 | $7.99 | one-time |
| 年度会员 | $11.99 | one-time |


## Frequently asked questions

### Is Unknown free?

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

### Is 逻辑思维训练 free?

逻辑思维训练 is free to download, with in-app purchases available.

### Do Unknown or 逻辑思维训练 have ads?

Both Unknown and 逻辑思维训练 show ads.

### Which is updated more often, Unknown or 逻辑思维训练?

Unknown ships an update fortnightly, and 逻辑思维训练 every 8 months. Most recently, Unknown was updated on November 3, 2026 and 逻辑思维训练 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.*