# ZeroOne Keyboard vs 飞鱼笔画

ZeroOne Keyboard and 飞鱼笔画 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. ZeroOne Keyboard sells 4 one-off in-app purchases and 飞鱼笔画 sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ZeroOne Keyboard ships an update every 4 days, 飞鱼笔画 every 2 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ZeroOne Keyboard | 飞鱼笔画 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/zeroone-keyboard/id6757943442/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 42 MB | 63 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, Mac | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [海平 吴](https://appshunter.io/developer/1011086237) | [海洋 杨](https://appshunter.io/developer/1749185256) |

## What reviewers say

### 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 |


### 飞鱼笔画

[App page](https://appshunter.io/ios/app/id6787876520)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 嘎嘎笔画月度会员 | $1.99 | per month |
| 年度会员 | $19.99 | per year |
| 永久解锁 | $34.99 | one-time |


## Frequently asked questions

### Is ZeroOne Keyboard free?

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

### Is 飞鱼笔画 free?

飞鱼笔画 is free to download, with in-app purchases available.

### Do ZeroOne Keyboard or 飞鱼笔画 have ads?

Neither ZeroOne Keyboard nor 飞鱼笔画 shows ads.

### Which is updated more often, ZeroOne Keyboard or 飞鱼笔画?

ZeroOne Keyboard ships an update every 4 days, and 飞鱼笔画 every 2 days. Most recently, ZeroOne Keyboard was updated on October 24, 2026 and 飞鱼笔画 on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*