# AI红单 vs 足场

The clearest difference is in-app purchases: 足场 at none against AI红单's 6. 足场 also leads on update cadence (every 8 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AI红单 sells 6 one-off in-app purchases. 足场 asks for nothing beyond the download.

AI红单 ships an update every 2 months, 足场 every 8 days. The most recent releases landed on November 5, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | AI红单 | 足场 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Size | 46 MB | 138 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Hainan Yijing Technology Co., Ltd](https://appshunter.io/developer/1855426206) | [上海足场信息科技有限公司](https://appshunter.io/developer/1886354648) |

## What reviewers say

### AI红单

[App page](https://appshunter.io/ios/app/ai/id6755669864)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10幸运币 | $0.99 | one-time |
| 30幸运币 | $3.99 | one-time |
| 50幸运币 | $6.99 | one-time |
| 100幸运币 | $14.99 | one-time |
| 200幸运币 | $29.99 | one-time |
| 500幸运币 | $69.99 | one-time |


### 足场

[App page](https://appshunter.io/ios/app/id6760810810)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AI红单 free?

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

### Is 足场 free?

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

### Do AI红单 or 足场 have ads?

Neither AI红单 nor 足场 shows ads.

### Which is updated more often, AI红单 or 足场?

AI红单 ships an update every 2 months, and 足场 every 8 days. Most recently, AI红单 was updated on November 5, 2026 and 足场 on October 28, 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.*