ZeroOne Keyboard vs GearBoard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Multiple shuangpin schemes
- On-device data processing
- Full Unicode emoji support
- Math and unit conversions
- Customizable themes
- Local sync for themes and snippets
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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/
GearBoard
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GearBoard is an offline Chinese Pinyin keyboard. Choose 9-key or 26-key Pinyin layouts, expand candidates, switch Chinese/English, and enter numbers, symbols and emoji. Supports Simplified and Traditional Chinese. Frequently used words are learned locally; learning can be disabled or cleared. Optional key sounds follow system silent mode and volume. Customize the keyboard accent color and long-press keys for alternate characters. Optional iCloud sync merges learned words, usage counts, keyboard layout and Simplified/Traditional preferences. Offline typing works without Full Access or a network connection. iCloud sync is off by default and requires separate consent, an iCloud account and keyboard Full Access. Network synchronization runs in the containing app. Raw key logs, document contents, clipboard and base dictionaries are not uploaded. To enable: Settings > General > Keyboard > Keyboards > Add New Keyboard > GearBoard. Use the globe button to switch keyboards. Secure password fields always use the iOS system keyboard.
Screenshots
Verdict
The clearest difference is in-app purchases: GearBoard at none against ZeroOne Keyboard's 4. GearBoard also leads on update cadence (daily vs every 4 days). On price, ads, device support and iOS requirement 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. GearBoard asks for nothing beyond the download.
ZeroOne Keyboard ships an update every 4 days, GearBoard daily. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.
| Parameter | ZeroOne Keyboard | GearBoard |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (5 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 4 days | Daily — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, Mac | iPhone, iPod |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 42 MB | 216 MB |
| Age rating | 4+ | 4+ |
| Developer | 海平 吴 | Shanghai Boyu Information Technology Co., Ltd. |
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
GearBoard
No in-app purchases









