# AI固收 vs 沙丘

The clearest difference is iOS requirement: AI固收 at 9.0 against 沙丘's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

AI固收 ships an update monthly, 沙丘 every 3 weeks. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | AI固收 | 沙丘 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 86 MB | 136 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Shanghai Changqin Lingyi Information Technology Co., Ltd.](https://appshunter.io/developer/1513847767) | [Wuhan Heyue Digital Technology Co., Ltd.](https://appshunter.io/developer/1329693796) |

## What reviewers say

### AI固收

[App page](https://appshunter.io/ios/app/ai/id1352909009)

**Features:** macOS Compatibility

**In-app purchases:** none


### 沙丘

[App page](https://appshunter.io/ios/app/id1636602878)

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

**In-app purchases:** none


## Frequently asked questions

### Is AI固收 free?

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

### Is 沙丘 free?

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

### Do AI固收 or 沙丘 have ads?

Neither AI固收 nor 沙丘 shows ads.

### Which is updated more often, AI固收 or 沙丘?

AI固收 ships an update monthly, and 沙丘 every 3 weeks. Most recently, AI固收 was updated on October 26, 2026 and 沙丘 on October 27, 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.*