# ASO大师 vs 水小知

The clearest difference is price: ASO大师 at Free against 水小知's $0.99. ASO大师 also leads on iOS requirement (11.0 vs 16.0). 水小知's advantage is update cadence (every 3 days vs every 3 weeks). On ads, in-app purchases and device support there is nothing between them.

ASO大师 is free to download; 水小知 costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ASO大师 ships an update every 3 weeks, 水小知 every 3 days. Both last shipped on October 27, 2026.

## The numbers

| Metric | ASO大师 | 水小知 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 5 MB | 25 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [鹏飞 秦](https://appshunter.io/developer/1463498813) | [巍 蒋](https://appshunter.io/developer/1777766323) |

## What reviewers say

### ASO大师

[App page](https://appshunter.io/ios/app/aso/id1636828084)

**Features:** macOS Compatibility

**In-app purchases:** none


### 水小知

[App page](https://appshunter.io/ios/app/id6737759246)

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

**In-app purchases:** none


## Frequently asked questions

### Is ASO大师 free?

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

### Is 水小知 free?

水小知 costs $0.99, with no in-app purchases.

### Do ASO大师 or 水小知 have ads?

Neither ASO大师 nor 水小知 shows ads.

### Which is updated more often, ASO大师 or 水小知?

ASO大师 ships an update every 3 weeks, and 水小知 every 3 days. Most recently, ASO大师 was updated on October 27, 2026 and 水小知 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.*