# ZeroOne Keyboard vs 键道输入法

The clearest difference is in-app purchases: 键道输入法 at none against ZeroOne Keyboard's 4. ZeroOne Keyboard's advantage is update cadence (every 4 days vs every 4 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ZeroOne Keyboard sells 4 one-off in-app purchases. 键道输入法 asks for nothing beyond the download.

ZeroOne Keyboard ships an update every 4 days, 键道输入法 every 4 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | ZeroOne Keyboard | 键道输入法 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/zeroone-keyboard/id6757943442/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 4 weeks |
| Monetization | Free | — |
| Size | 43 MB | 12 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, Mac | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [海平 吴](https://appshunter.io/developer/1011086237) | [艺 任](https://appshunter.io/developer/1573659844) |

## What reviewers say

### ZeroOne Keyboard

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

This keyboard app offers multiple input methods for Chinese typing, including Pinyin, nine-key, and Shuangpin. It provides on-device processing for privacy and includes various tools like emoji, snippets, and unit conversion. Customize your typing experience with sound packs and key shortcuts.

**Highlights:** Multiple Chinese input methods (Pinyin, nine-key, Shuangpin), On-device processing for privacy, Customizable layouts and key shortcuts, Sound packs and typing feedback options, Integrated tools (emoji, snippets, unit conversion), Traditional Chinese support

**Features:** Vision Pro support, iPhone Duo 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 |


### 键道输入法

[App page](https://appshunter.io/ios/app/id6791807743)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ZeroOne Keyboard free?

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

### Is 键道输入法 free?

键道输入法 is free to download, with no in-app purchases.

### Do ZeroOne Keyboard or 键道输入法 have ads?

Neither ZeroOne Keyboard nor 键道输入法 shows ads.

### Which is updated more often, ZeroOne Keyboard or 键道输入法?

ZeroOne Keyboard ships an update every 4 days, and 键道输入法 every 4 weeks. Most recently, ZeroOne Keyboard was updated on October 31, 2026 and 键道输入法 on October 31, 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.*