Comparison

TouchColor 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

TouchColor

This app offers a sophisticated and user-friendly color picker experience. It allows you to extract colors from photos, live camera feeds, and in real-time, providing an excellent tool for mobile color selection.

Highlights
  • Photo color picking
  • Camera color picking
  • Real-time color picking
  • Elegant and simple interface
  • Comprehensive color selection tools
Features
Read full description

这是一个优雅简洁,功能完善的取色器。照片取色,照相取色,实时取色三大功能为你带来移动平台最优秀的取色体验。

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

TouchColor1 screens
ZeroOne Keyboard4 screens

Verdict

The call

The clearest difference is rating: TouchColor at 5.0 against ZeroOne Keyboard's 4.3. TouchColor also leads on in-app purchases (none vs 4). ZeroOne Keyboard's advantage is update cadence (every 2 days vs every 76 months) and ratings volume (6 vs 1). 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

TouchColor holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: ZeroOne Keyboard has 6 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

TouchColor ships an update every 76 months, ZeroOne Keyboard every 2 days. The most recent releases landed on November 6, 2026 and November 13, 2026 respectively.

Scorecard5 real differences · 5 level
TouchColor versus ZeroOne Keyboard: the parameters behind the verdict, then further details
ParameterTouchColorZeroOne Keyboard
PriceFreeFree
Rating5.0 (1 ratings) — better4.3 (6 ratings)
Positive reviews—75.0% of reviews
Number of ratings16 — better
Update frequencyEvery 76 monthsEvery 2 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, Mac
Requires iOS15.0 — better16.0
Further details — not scored
Size3 MB51 MB
Age rating4+4+
Developer秋枋 方海平 吴

Customer experience

TouchColor

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

ZeroOne Keyboard

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

In-app purchases

None

TouchColor

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 TouchColor free?
TouchColor is free to download, with no in-app purchases.
Is ZeroOne Keyboard free?
ZeroOne Keyboard is free to download, with in-app purchases available.
Which has better reviews, TouchColor or ZeroOne Keyboard?
TouchColor is rated higher. TouchColor averages 5.0 out of 5 from 1 ratings, while ZeroOne Keyboard averages 4.3 from 6 ratings.
Do TouchColor or ZeroOne Keyboard have ads?
Neither TouchColor nor ZeroOne Keyboard shows ads.
Which is updated more often, TouchColor or ZeroOne Keyboard?
TouchColor ships an update every 76 months, and ZeroOne Keyboard every 2 days. Most recently, TouchColor was updated on November 6, 2026 and ZeroOne Keyboard on November 13, 2026.

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