# 国字云测字 vs 星小兔AI练字

The clearest difference is update cadence: 星小兔AI练字 at monthly against 国字云测字's every 3 months. 国字云测字's advantage is iOS requirement (12.0 vs 15.0). 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.

国字云测字 ships an update every 3 months, 星小兔AI练字 monthly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 国字云测字 | 星小兔AI练字 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 37 MB | 35 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Xu Xian science and Technology Development Co., Ltd.](https://appshunter.io/developer/1180872447) | [Guangzhou Hongtu Digital Technology Co., LTD](https://appshunter.io/developer/1012951194) |

## What reviewers say

### 国字云测字

[App page](https://appshunter.io/ios/app/id1555196818)

**Features:** macOS Compatibility

**In-app purchases:** none


### 星小兔AI练字

[App page](https://appshunter.io/ios/app/ai/id6478529607)

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

**In-app purchases:** none


## Frequently asked questions

### Is 国字云测字 free?

国字云测字 is free to download, with no in-app purchases.

### Is 星小兔AI练字 free?

星小兔AI练字 is free to download, with no in-app purchases.

### Do 国字云测字 or 星小兔AI练字 have ads?

Neither 国字云测字 nor 星小兔AI练字 shows ads.

### Which is updated more often, 国字云测字 or 星小兔AI练字?

国字云测字 ships an update every 3 months, and 星小兔AI练字 monthly. Most recently, 国字云测字 was updated on October 25, 2026 and 星小兔AI练字 on October 24, 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.*