# 威碳云 vs 字小趣

The clearest difference is update cadence: 威碳云 at weekly against 字小趣's every 3 months. 威碳云 also leads on iOS requirement (13.0 vs 15.0). 字小趣's advantage is device support (4 vs 2). On ads and in-app purchases there is nothing between them.

威碳云 ships an update weekly, 字小趣 every 3 months. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 威碳云 | 字小趣 |
| --- | --- | --- |
| Price | — | **Free** |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/id6502745263/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Size | 26 MB | 107 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [广州市威士丹利健康科技有限公司](https://appshunter.io/developer/1100577222) | [成都逍遥璟天网络科技有限公司](https://appshunter.io/developer/1802986400) |

## What reviewers say

### 威碳云

[App page](https://appshunter.io/ios/app/id6502745263)

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

**In-app purchases:** none


### 字小趣

[App page](https://appshunter.io/ios/app/id6743457977)

**Features:** Family Sharing, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 威碳云 free?

Pricing for 威碳云 is not currently listed on the App Store.

### Is 字小趣 free?

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

### Do 威碳云 or 字小趣 have ads?

Neither 威碳云 nor 字小趣 shows ads.

### Which is updated more often, 威碳云 or 字小趣?

威碳云 ships an update weekly, and 字小趣 every 3 months. Most recently, 威碳云 was updated on October 24, 2026 and 字小趣 on October 7, 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.*