# YuSu输入法 vs ZeroOne Keyboard

The clearest difference is update cadence: ZeroOne Keyboard at every 4 days against YuSu输入法's every 2 weeks. ZeroOne Keyboard also leads on iOS requirement (16.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

YuSu输入法 ships an update every 2 weeks, ZeroOne Keyboard every 4 days. The most recent releases landed on October 18, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | YuSu输入法 | ZeroOne Keyboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/zeroone-keyboard/id6757943442/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 49 MB | 40 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, Mac |
| Age rating | 4+ | 4+ |
| Developer | [SafeX Inc.](https://appshunter.io/developer/1845193883) | [海平 吴](https://appshunter.io/developer/1011086237) |

## What reviewers say

### YuSu输入法

[App page](https://appshunter.io/ios/app/yusu/id6756220475)

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

**In-app purchases:** none


### 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:** none


## Frequently asked questions

### Is YuSu输入法 free?

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

### Is ZeroOne Keyboard free?

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

### Do YuSu输入法 or ZeroOne Keyboard have ads?

Neither YuSu输入法 nor ZeroOne Keyboard shows ads.

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

YuSu输入法 ships an update every 2 weeks, and ZeroOne Keyboard every 4 days. Most recently, YuSu输入法 was updated on October 18, 2026 and ZeroOne Keyboard on October 9, 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.*