# 脑筋急转弯3600 vs PoetryCloud

The clearest difference is in-app purchases: 脑筋急转弯3600 at none against PoetryCloud's 1. 脑筋急转弯3600 also leads on iOS requirement (12.0 vs 16.4). PoetryCloud's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. PoetryCloud sells 1 one-off in-app purchase. 脑筋急转弯3600 asks for nothing beyond the download.

脑筋急转弯3600 ships an update every 22 months, PoetryCloud every 19 months. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 脑筋急转弯3600 | PoetryCloud |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 22 months | **Every 19 months** |
| Size | 8 MB | 246 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [文睿 李](https://appshunter.io/developer/372593992) | [嘉琦 沈](https://appshunter.io/developer/1667433887) |

## What reviewers say

### 脑筋急转弯3600

[App page](https://appshunter.io/ios/app/3600/id511820634)

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

**In-app purchases:** none


### PoetryCloud

[App page](https://appshunter.io/ios/app/poetrycloud/id6450869724)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 专业版 | $0.99 | one-time |


## Frequently asked questions

### Is 脑筋急转弯3600 free?

脑筋急转弯3600 is free to download, with no in-app purchases.

### Is PoetryCloud free?

PoetryCloud is free to download, with in-app purchases available.

### Do 脑筋急转弯3600 or PoetryCloud have ads?

脑筋急转弯3600 shows ads; PoetryCloud does not.

### Which is updated more often, 脑筋急转弯3600 or PoetryCloud?

脑筋急转弯3600 ships an update every 22 months, and PoetryCloud every 19 months. Most recently, 脑筋急转弯3600 was updated on October 8, 2026 and PoetryCloud on October 9, 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.*