# 元书输入法 vs ZeroOne Keyboard

The clearest difference is rating: 元书输入法 at 4.4 against ZeroOne Keyboard's 4.2. 元书输入法 also leads on ratings volume (25 vs 5). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. 元书输入法 sells 3 in-app purchases, starting at $0.99 per month and ZeroOne Keyboard sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

元书输入法 holds the better App Store score, 4.4 against 4.2. That said, the two scores are not equally well evidenced: 元书输入法 has 25 ratings behind it against 5, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

元书输入法 ships an update every 6 days, ZeroOne Keyboard every 4 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | 元书输入法 | ZeroOne Keyboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (25 ratings)](https://appshunter.io/ios/app/id6744464701/reviews)** | [4.2 (5 ratings)](https://appshunter.io/ios/app/zeroone-keyboard/id6757943442/reviews) |
| Number of ratings | **25** | 5 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 110 MB | 42 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, Mac |
| Age rating | 4+ | 4+ |
| Developer | [啸 付](https://appshunter.io/developer/1625078593) | [海平 吴](https://appshunter.io/developer/1011086237) |

## What reviewers say

### 元书输入法

[App page](https://appshunter.io/ios/app/id6744464701)

**Features:** iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription (1 month) | $0.99 | per month |
| Annual subscription (1 year) | $4.99 | per year |
| Keyboard Pro(One-Time) | $9.99 | one-time |


### ZeroOne Keyboard

[App page](https://appshunter.io/ios/app/zeroone-keyboard/id6757943442)

This keyboard app offers advanced Chinese shuangpin input with on-device processing for enhanced privacy. It features customizable schemes, emoji support, conversion tools, and theme syncing.

**Highlights:** Multiple shuangpin schemes, On-device data processing, Full Unicode emoji support, Math and unit conversions, Customizable themes, Local sync for themes and snippets

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Cup of Tea | $0.99 | one-time |
| Two Cups of Tea | $2.99 | one-time |
| Afternoon Tea | $3.99 | one-time |
| 01+ Lifetime Supporter | $9.99 | one-time |


## Frequently asked questions

### Is 元书输入法 free?

元书输入法 is free to download, with in-app purchases available.

### Is ZeroOne Keyboard free?

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

### Which has better reviews, 元书输入法 or ZeroOne Keyboard?

元书输入法 is rated higher. 元书输入法 averages 4.4 out of 5 from 25 ratings, while ZeroOne Keyboard averages 4.2 from 5 ratings.

### Do 元书输入法 or ZeroOne Keyboard have ads?

Neither 元书输入法 nor ZeroOne Keyboard shows ads.

### Which is updated more often, 元书输入法 or ZeroOne Keyboard?

元书输入法 ships an update every 6 days, and ZeroOne Keyboard every 4 days. Most recently, 元书输入法 was updated on October 28, 2026 and ZeroOne Keyboard 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.*