ZeroOne is a Chinese shuangpin keyboard built around on-device processing.
Highlights:
- Multiple shuangpin schemes (including Xiaohe-style and personal schemes) with auxiliary-code hints
- Candidates, frequency learning, and snippets stay on your device
- Full Unicode emoji categories with recents
- Type = for math, currency, base, and unit conversions
- Color lab for pick, tweak, format, and palettes
- Themes and snippets sync locally between the app and keyboard
- Optional cross-device paste via your private iCloud (off by default; auto-clears)
Privacy:
- No upload of keystrokes, candidates, host text, snippets, or learning data
- No ads, tracking, or third-party analytics
- Full Access is only for App Group sharing; basic typing works without it
Ratings & Reviews
This app has not received enough ratings or reviews to display an overview.
Added the China Red glass theme with softer keyboard background edges.
Customize keyboard background images, including size, position, and transparency.
Improved tool and shortcut management layouts across keyboard heights.
Improved mixed Chinese-English ranking to keep complete Chinese candidates ahead of ordinary lowercase English composites.
Improved expanded candidates, paging, and continued typing after partial selection.
Reduced keyboard memory use during continuous typing by releasing replaced candidate views.
Improved typing responsiveness. Glide typing is now off by default and can be turned on in Settings.
Version 1.2.4
The developer, 海平 吴, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Privacy practices may vary based, for example, on the features you use or your age. Learn More
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More