Comparison

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.

Head to head
About

YuSu输入法

Features
Read full description

A safe Chinese IME

About

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.

Highlights
  • 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
Features
Read full description

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

YuSu输入法3 screens
ZeroOne Keyboard4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
YuSu输入法 versus ZeroOne Keyboard: the parameters behind the verdict, then further details
ParameterYuSu输入法ZeroOne Keyboard
PriceFreeFree
Rating—4.3 (6 ratings) — better
Positive reviews—75.0% of reviews
Number of ratings—6 — better
Update frequencyEvery 2 weeksEvery 2 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, Mac
Requires iOS18.016.0 — better
Further details — not scored
Size49 MB51 MB
Age rating4+4+
DeveloperSafeX Inc.海平 吴

In-app purchases

None

YuSu输入法

No in-app purchases

4 purchases

ZeroOne Keyboard

One-time4
  • One Cup of Tea$0.99
  • Two Cups of Tea$2.99
  • Afternoon Tea$3.99
Show 1 more
  • 01+ Lifetime Supporter$9.99

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 in-app purchases available.
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 2 days. Most recently, YuSu输入法 was updated on November 5, 2026 and ZeroOne Keyboard on November 13, 2026.

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