# Less Math 算數 (校園版) vs Chinese Writing | AI Assistant

The clearest difference is in-app purchases: Less Math 算數 (校園版) at none against Chinese Writing | AI Assistant's 1. Less Math 算數 (校園版) also leads on iOS requirement (13.0 vs 18.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Chinese Writing | AI Assistant sells 1 one-off in-app purchase. Less Math 算數 (校園版) asks for nothing beyond the download.

Less Math 算數 (校園版) ships an update every 5 days, Chinese Writing | AI Assistant every 3 days. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Less Math 算數 (校園版) | Chinese Writing | AI Assistant |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 3 days** |
| Size | 69 MB | 3 MB |
| Requires iOS | **13.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RiteX Ai Technologies Limited](https://appshunter.io/developer/1558355552) | [Tsz Poon](https://appshunter.io/developer/1462001466) |

## What reviewers say

### Less Math 算數 (校園版)

[App page](https://appshunter.io/ios/app/less-math/id6496284077)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chinese Writing | AI Assistant

[App page](https://appshunter.io/ios/app/chinese-writing-ai-assistant/id6752246454)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Credits | $3.99 | one-time |


## Frequently asked questions

### Is Less Math 算數 (校園版) free?

Less Math 算數 (校園版) is free to download, with no in-app purchases.

### Is Chinese Writing | AI Assistant free?

Chinese Writing | AI Assistant is free to download, with in-app purchases available.

### Do Less Math 算數 (校園版) or Chinese Writing | AI Assistant have ads?

Neither Less Math 算數 (校園版) nor Chinese Writing | AI Assistant shows ads.

### Which is updated more often, Less Math 算數 (校園版) or Chinese Writing | AI Assistant?

Less Math 算數 (校園版) ships an update every 5 days, and Chinese Writing | AI Assistant every 3 days. Most recently, Less Math 算數 (校園版) was updated on October 25, 2026 and Chinese Writing | AI Assistant on October 30, 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.*