Color Master: RGB Quest
Nagatomo Miki Education iPhoneiPadiPod touch
Color Master: RGB Quest is a free Education app for iPhone and iPad by Nagatomo Miki. Requires iOS 17.6. Updated October 22, 2026.
- Price
- Free
- on the App Store
- Size
- 14 MB
- Age 4+
- Updated
- Oct 22
- 2026 · v2.1.0
Screenshots
About Color Master: RGB Quest
Can you spot the difference between two colors? Color Master is a color training app that scientifically sharpens your ability to distinguish colors. Easy to keep up with — it feels just like a game. ■ 4 Training Modes · Color Difference Find the matching color among similar shades. Difficulty is precisely calibrated using the scientific metric ΔE. 20 stages. · Gradient Sort scrambled colors into the correct order. Build your ability to read the flow of color. 20 stages. · Complementary Colors Find the color opposite on the color wheel. Deepen your understanding of color relationships. 20 stages. · Color Code Identify colors from their HEX code. Naturally build essential knowledge for designers. 20 stages. ■ Who It's For • Designers & illustrators • Anyone looking to sharpen their color sense • Anyone who wants to learn about color • Fans of brain training & puzzles ■ Features • 4 genres × 20 stages each • In-depth guide content for every stage • Progress is saved so you can build up gradually • Ad-free plan available (one-time purchase)
What’s new
Version 2.1.0 · Updated October 22, 2026
You can now share your clear results. Fixed an issue where some text was not translated.
App privacy
The developer, Nagatomo Miki, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data
- Purchases: Purchase History
Used for: Third-Party Advertising, Analytics, App Functionality
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Color Master: RGB Quest | – | Free | October 22, 2026 | |
| ドパボキ! 猫と学ぶ簿記2級・3級 | – | Free | Oct 23, 2026 | Compare |
| Kids Clock & Routines – Arcmii | – | Free | Oct 30, 2026 | Compare |
| にゃんとFP! 猫と学ぶFP2級・3級 | – | Free | Oct 23, 2026 | Compare |
| 色彩検定3級合格ドリル | – | Free | Jul 21, 2026 | Compare |
| 色彩検定2級 合格ドリル | – | Free | Jun 19, 2026 | Compare |
| HSK Plus: Chinese Vocabulary | – | Free | Nov 1, 2026 | Compare |