# CHAO Tech vs 小四爪

The clearest difference is price: CHAO Tech at Free against 小四爪's $3.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

CHAO Tech is free to download; 小四爪 costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CHAO Tech ships an update every 9 days, 小四爪 weekly. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CHAO Tech | 小四爪 |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Size | 131 MB | 24 MB |
| Requires iOS | 16 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [超驰 戚](https://appshunter.io/developer/1858062195) | [北京米酒科技有限责任公司](https://appshunter.io/developer/1856941368) |

## What reviewers say

### CHAO Tech

[App page](https://appshunter.io/ios/app/chao-tech/id6756102551)

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

**In-app purchases:** none


### 小四爪

[App page](https://appshunter.io/ios/app/id6760377718)

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

**In-app purchases:** none


## Frequently asked questions

### Is CHAO Tech free?

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

### Is 小四爪 free?

小四爪 costs $3.99, with no in-app purchases.

### Do CHAO Tech or 小四爪 have ads?

Neither CHAO Tech nor 小四爪 shows ads.

### Which is updated more often, CHAO Tech or 小四爪?

CHAO Tech ships an update every 9 days, and 小四爪 weekly. Most recently, CHAO Tech was updated on October 25, 2026 and 小四爪 on October 31, 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.*