YuSu输入法 vs ZeroOne Keyboard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
YuSu输入法
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A safe Chinese IME
ZeroOne Keyboard
Type Chinese using various input methods like Pinyin, nine-key, or Shuangpin. Customize layouts, sounds, and shortcuts. Includes tools for emojis, snippets, and unit conversions, with on-device processing for privacy.
- Multiple Chinese input methods (Pinyin, nine-key, Shuangpin)
- Customizable keyboard layouts and shortcuts
- On-key hints for learning Shuangpin
- Traditional Chinese support with tone options
- Built-in tools: emoji, snippets, unit conversion
- On-device processing for privacy
- Customizable sound packs
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Type Chinese with Pinyin, nine-key, Shuangpin or Dachen Zhuyin. Use a familiar input method for everyday Chinese messages and notes. Everyday typing, candidates and personal learning are processed on your device. Basic typing works without Full Access. Learn ZeroOne Shuangpin with on-key hints, or use a personal Shuangpin scheme. Zhuyin supports tone-marked and tone-omitted input, Traditional Chinese candidates, phrase composition, candidate selection, undo, and redo. Choose Taiwan Traditional Chinese forms in settings. Make the keyboard yours • Shuangpin, full pinyin, and nine-key layouts, personal shuangpin schemes, and auxiliary-code hints. • Customize the nine-key 1 key: tap for your primary shortcut, hold for a function panel, or enter the digit 1. • Preview and crop custom key photos. Settings apply immediately. • Choose from several sound packs, including five original ZeroOne packs, with an option to play only when text is committed. Tools while you type Emoji categories, recents, snippets, numbers, symbols, calculations, amounts, unit conversion, dates, solar terms, and color tools. On-device processing and optional sharing Everyday Chinese typing, candidates, and personal learning are processed on your device. Input content is not collected or uploaded to the developer. There are no ads or third-party tracking analytics. Basic typing works without Full Access. Enable it when you want to share photos, sound settings, and preferences with the main app. Cross-device paste is optional. When enabled, it syncs clipboard content through your own private iCloud database. To start, add ZeroOne in Settings > General > Keyboard > Keyboards > Add New Keyboard, then hold the globe key in a text field to switch. Terms of Use (Apple standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: YuSu输入法 at none against ZeroOne Keyboard's 4. ZeroOne Keyboard's advantage is update cadence (every 2 days vs every 2 weeks) and iOS requirement (16.0 vs 18.0). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. ZeroOne Keyboard sells 4 one-off in-app purchases. YuSu输入法 asks for nothing beyond the download.
YuSu输入法 ships an update every 2 weeks, ZeroOne Keyboard every 2 days. The most recent releases landed on November 5, 2026 and November 13, 2026 respectively.
| Parameter | YuSu输入法 | ZeroOne Keyboard |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.3 (6 ratings) — better |
| Positive reviews | — | 75.0% of reviews |
| Number of ratings | — | 6 — better |
| Update frequency | Every 2 weeks | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, Mac |
| Requires iOS | 18.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 49 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | SafeX Inc. | 海平 吴 |
In-app purchases
YuSu输入法
No in-app purchases
ZeroOne Keyboard
- One Cup of Tea$0.99
- Two Cups of Tea$2.99
- Afternoon Tea$3.99
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- 01+ Lifetime Supporter$9.99









