# 国字云测字 vs 小优AI练字

国字云测字 and 小优AI练字 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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, 小优AI练字 every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | 国字云测字 | 小优AI练字 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 37 MB | 322 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Xu Xian science and Technology Development Co., Ltd.](https://appshunter.io/developer/1180872447) | [UBTECH ROBOTICS CORP](https://appshunter.io/developer/975970176) |

## What reviewers say

### 国字云测字

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 小优AI练字

[App page](https://appshunter.io/ios/app/ai/id1571900640)

**Features:** macOS Compatibility

**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 小优AI练字 free?

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

### Do 国字云测字 or 小优AI练字 have ads?

Neither 国字云测字 nor 小优AI练字 shows ads.

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

国字云测字 ships an update every 3 months, and 小优AI练字 every 2 months. Most recently, 国字云测字 was updated on November 3, 2026 and 小优AI练字 on November 3, 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.*