# Z2H字帖 vs DuoNiu Write

The clearest difference is ads: DuoNiu Write at none against Z2H字帖's shown. DuoNiu Write also leads on update cadence (weekly vs every 3 weeks). Z2H字帖's advantage is iOS requirement (15.6 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Z2H字帖 sells 1 one-off in-app purchase and DuoNiu Write sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Z2H字帖 ships an update every 3 weeks, DuoNiu Write weekly. The most recent releases landed on September 17, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Z2H字帖 | DuoNiu Write |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 43 MB | 131 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [鑫 李](https://appshunter.io/developer/1882426033) | [娟妹 曹](https://appshunter.io/developer/6780705701) |

## What reviewers say

### Z2H字帖

[App page](https://appshunter.io/ios/app/z2h/id6760186680)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Lifetime | $2.99 | one-time |


### 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 |


## Frequently asked questions

### Is Z2H字帖 free?

Z2H字帖 is free to download, with in-app purchases available.

### Is DuoNiu Write free?

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

### Do Z2H字帖 or DuoNiu Write have ads?

Z2H字帖 shows ads; DuoNiu Write does not.

### Which is updated more often, Z2H字帖 or DuoNiu Write?

Z2H字帖 ships an update every 3 weeks, and DuoNiu Write weekly. Most recently, Z2H字帖 was updated on September 17, 2026 and DuoNiu Write on September 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.*