# 龙绘编程 vs The Wrong Formula

The clearest difference is in-app purchases: The Wrong Formula at none against 龙绘编程's 3. 龙绘编程's advantage is iOS requirement (9.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. 龙绘编程 sells 3 one-off in-app purchases. The Wrong Formula asks for nothing beyond the download.

## The numbers

| Metric | 龙绘编程 | The Wrong Formula |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (10 ratings)](https://appshunter.io/ios/app/id1557456116/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 32 months | — |
| Size | 327 MB | 50 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Beijing Reado Technology Co., Ltd.](https://appshunter.io/developer/1104903434) | [MIN GU](https://appshunter.io/developer/6816597751) |

## What reviewers say

### 龙绘编程

[App page](https://appshunter.io/ios/app/id1557456116)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 启蒙系列课程 | $59.99 | one-time |
| 高级系列课程 | $89.99 | one-time |
| 平台全部课程和素材 | $129.99 | one-time |


### The Wrong Formula

[App page](https://appshunter.io/ios/app/the-wrong-formula/id6816597749)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 龙绘编程 free?

龙绘编程 is free to download, with in-app purchases available.

### Is The Wrong Formula free?

The Wrong Formula is free to download, with no in-app purchases.

### Do 龙绘编程 or The Wrong Formula have ads?

Neither 龙绘编程 nor The Wrong Formula shows ads.

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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.*