Comparison

ZeroOne Keyboard vs RiceKey Wubi Keyboard

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ZeroOne Keyboard

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
Read full description

ZeroOne now supports Dachen Zhuyin alongside Shuangpin, full Pinyin, and nine-key layouts. 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. Basic typing works without Full Access. ZeroOne is a Chinese keyboard with shuangpin, full pinyin, and multiple layouts, plus useful tools that fit your typing habits. 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/

About

RiceKey Wubi Keyboard

This keyboard app offers both Wubi and Pinyin input methods for Chinese characters, along with useful tools like a calculator and QR code generator. It prioritizes user privacy with offline functionality and no data collection.

Highlights
  • Wubi 86/98 and Pinyin input
  • Offline functionality
  • Built-in calculator
  • Local QR code generator
  • Custom dictionary import
  • Wubi practice and progress tracking
Features
Read full description

Wubi when you know the code. Pinyin when you need a hand. RiceKey brings Wubi 86/98, Pinyin and useful everyday tools to a native Chinese keyboard. Look up words, generate candidates and switch Chinese scripts on your device. TYPE YOUR WAY • Pure Wubi, mixed Wubi/Pinyin or pure Pinyin • About 137,000 Wubi 86 entries and 114,000 Wubi 98 entries • Short codes, automatic commit for unique four-code matches and the Z wildcard • Full Pinyin, Xiaohe or Ziranma double Pinyin, initial-letter input and fuzzy pronunciation • QWERTY or nine-key Pinyin, with local frequency learning • Simplified and Traditional output, phrase conversion and alternate-character candidates DO MORE WITHOUT LEAVING THE KEYBOARD • Swipe up on Q–P for 1–0; swipe down for Chinese financial numerals. Digit keys on the number page and number pad support downward swipes too. • Tap # to type it. Hold and slide to select _, *, $, ~, \ or |. • Type 12*3= to calculate directly. • Turn text into a QR code locally, ready for another device to scan. No network or camera access needed. • Clear panel selection and one-tap return. • Follow the system appearance or choose light or dark mode. OFFLINE, WITH CHOICE RiceKey makes no network connections, uploads no typed content and does not proactively read or write the clipboard. No account, ads or third-party analytics SDKs. Core typing works without Allow Full Access. Keyboard sounds and haptics require you to enable it yourself. Full Access grants broader iOS capabilities, but RiceKey keeps its offline behavior. Revoke access and keep typing. Learned frequencies stay in the keyboard's local storage. YOUR DICTIONARY. YOUR PRACTICE. Import your own RIME .dict.yaml or text dictionaries and add custom words. Learn Wubi 86 radicals, practise characters and passages, and track mistakes and progress. Wubi 98 supports character and passage practice; Wubi 98 radical quizzes are not included. GET STARTED Requires iOS 16 or later. Enable RiceKey in Settings > General > Keyboard > Keyboards > Add New Keyboard. Wubi and English use QWERTY; nine-key layout is for Pinyin. Financial numerals are entered one digit at a time, without converting whole amounts. Sounds depend on silent mode and volume; haptics need device and system support. In-app practice has separate feedback settings. Secure fields and apps that disallow third-party keyboards may use the system keyboard. Text entered into another app is handled under that app's features and privacy policy. LEARN THE SHORTCUTS Quick Start > Typing Guide offers illustrations, replayable finger demos and a separate practice area for digits, Chinese numerals, symbols, calculations and QR codes. Open QR directly from the toolbar icon to the left of Settings. With Full Access on, keyboard settings can open the main app for more lessons. With it off, local illustrations and manual opening instructions remain available; no permission is required to learn. Supports Dynamic Type and Reduce Motion.

Screenshots

ZeroOne Keyboard4 screens
RiceKey Wubi Keyboard4 screens

Verdict

The call

The clearest difference is rating: RiceKey Wubi Keyboard at 5.0 against ZeroOne Keyboard's 4.2. RiceKey Wubi Keyboard also leads on in-app purchases (none vs 4). ZeroOne Keyboard's advantage is update cadence (every 4 days vs every 3 weeks) and ratings volume (5 vs 1). On price, review sentiment, 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. RiceKey Wubi Keyboard asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

RiceKey Wubi Keyboard holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: ZeroOne Keyboard has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

ZeroOne Keyboard ships an update every 4 days, RiceKey Wubi Keyboard every 3 weeks. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

Scorecard5 real differences · 5 level
ZeroOne Keyboard versus RiceKey Wubi Keyboard: the parameters behind the verdict, then further details
ParameterZeroOne KeyboardRiceKey Wubi Keyboard
PriceFreeFree
Rating4.2 (5 ratings)5.0 (1 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings5 — better1
Update frequencyEvery 4 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, MaciPhone, iPad
Requires iOS16.016.0
Further details — not scored
Size42 MB20 MB
Age rating4+4+
Developer海平 吴Pinecone Limited

Customer experience

ZeroOne Keyboard

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

RiceKey Wubi Keyboard

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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
None

RiceKey Wubi Keyboard

No in-app purchases

Questions

Is ZeroOne Keyboard free?
ZeroOne Keyboard is free to download, with in-app purchases available.
Is RiceKey Wubi Keyboard free?
RiceKey Wubi Keyboard is free to download, with no in-app purchases.
Which has better reviews, ZeroOne Keyboard or RiceKey Wubi Keyboard?
RiceKey Wubi Keyboard is rated higher. ZeroOne Keyboard averages 4.2 out of 5 from 5 ratings, while RiceKey Wubi Keyboard averages 5.0 from 1 ratings.
Do ZeroOne Keyboard or RiceKey Wubi Keyboard have ads?
Neither ZeroOne Keyboard nor RiceKey Wubi Keyboard shows ads.
Which is updated more often, ZeroOne Keyboard or RiceKey Wubi Keyboard?
ZeroOne Keyboard ships an update every 4 days, and RiceKey Wubi Keyboard every 3 weeks. Most recently, ZeroOne Keyboard was updated on October 28, 2026 and RiceKey Wubi Keyboard on October 25, 2026.

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