# Modu vs XiaoKao

The clearest difference is in-app purchases: Modu at none against XiaoKao's 10. Modu also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. XiaoKao sells 10 in-app purchases, starting at $6.99 per 3 months. Modu asks for nothing beyond the download.

Modu ships an update weekly, XiaoKao every 4 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | Modu | XiaoKao |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 4 days** |
| Size | 157 MB | 71 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [雪寒 周](https://appshunter.io/developer/1892756116) | [VU TRONG KHIEM](https://appshunter.io/developer/6781523391) |

## What reviewers say

### Modu

[App page](https://appshunter.io/ios/app/modu-chinese-reader/id6788653501)

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

**In-app purchases:** none


### XiaoKao

[App page](https://appshunter.io/ios/app/xiaokao-learn-chinese/id6790338243)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-Month Plan - Win-back 30% | $6.99 | per 3 months |
| 3-Month Plan - 20% Off | $7.99 | per 3 months |
| 6-Month Plan - Win-back 30% | $10.49 | per 6 months |
| 6-Month Plan - 20% Off | $11.99 | per 6 months |
| 1-Year Plan - Win-back 30% | $13.99 | per year |
| 1-Year Plan - 20% Off | $15.99 | per year |
| XiaoKao Premium Lifetime (30% Off) | $20.99 | one-time |
| XiaoKao Premium Lifetime (20% Off) | $23.99 | one-time |
| XiaoKao Premium Lifetime (10% Off) | $26.99 | one-time |
| XiaoKao Premium Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Modu free?

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

### Is XiaoKao free?

XiaoKao is free to download, with in-app purchases available.

### Do Modu or XiaoKao have ads?

XiaoKao shows ads; Modu does not.

### Which is updated more often, Modu or XiaoKao?

Modu ships an update weekly, and XiaoKao every 4 days. Most recently, Modu was updated on October 28, 2026 and XiaoKao on October 28, 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.*