# DuoNiu Write vs XiaoKao

The clearest difference is ads: DuoNiu Write at none against XiaoKao's shown. XiaoKao's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. DuoNiu Write sells 2 one-off in-app purchases and XiaoKao sells 10 in-app purchases, starting at $6.99 per 3 months. Whichever you choose, the download price is not the number that matters.

DuoNiu Write ships an update weekly, XiaoKao every 4 days. The most recent releases landed on October 13, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | DuoNiu Write | XiaoKao |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 4 days** |
| Size | 131 MB | 71 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [娟妹 曹](https://appshunter.io/developer/6780705701) | [VU TRONG KHIEM](https://appshunter.io/developer/6781523391) |

## What reviewers say

### DuoNiu Write

[App page](https://appshunter.io/ios/app/duoniu-write/id6780910815)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Poem Practice | $0.99 | one-time |
| Unlock All Poetry | $0.99 | one-time |


### 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 DuoNiu Write free?

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

### Is XiaoKao free?

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

### Do DuoNiu Write or XiaoKao have ads?

XiaoKao shows ads; DuoNiu Write does not.

### Which is updated more often, DuoNiu Write or XiaoKao?

DuoNiu Write ships an update weekly, and XiaoKao every 4 days. Most recently, DuoNiu Write was updated on October 13, 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.*