# 足场 vs 火星AI

The clearest difference is update cadence: 火星AI at every 4 days against 足场's every 8 days. 足场's advantage is iOS requirement (13.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

足场 ships an update every 8 days, 火星AI every 4 days. The most recent releases landed on October 28, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 足场 | 火星AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 4 days** |
| Size | 138 MB | 261 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [上海足场信息科技有限公司](https://appshunter.io/developer/1886354648) | [HK MARZ TECHNOLOGY LIMITED](https://appshunter.io/developer/1726151204) |

## What reviewers say

### 足场

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 火星AI

[App page](https://appshunter.io/ios/app/ai/id6773168843)

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

**In-app purchases:** none


## Frequently asked questions

### Is 足场 free?

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

### Is 火星AI free?

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

### Do 足场 or 火星AI have ads?

Neither 足场 nor 火星AI shows ads.

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

足场 ships an update every 8 days, and 火星AI every 4 days. Most recently, 足场 was updated on October 28, 2026 and 火星AI on November 5, 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.*