# IROZAN - Color Mixing Puzzle - — Mix Paints to Match Colors

> Mix Paints to Match Colors (iPhone/iPad app by naoya saito.)

- Source: https://appshunter.io/ios/app/irozan-color-mixing-puzzle/id6761189163 (this page in markdown: same URL + `.md`)
- Developer: [naoya saito](https://appshunter.io/developer/1576521641)
- Category: Games, Education, Puzzle
- Price: Free
- Age rating: 4+
- Requires: iOS 26.0 · 18 MB
- Languages: American English, Japanese
- Released: 2026-04-07
- Data updated: 2026-07-22
- User reviews in markdown: https://appshunter.io/ios/app/irozan-color-mixing-puzzle/id6761189163/reviews.md

## What is IROZAN?

What happens when you mix red and blue?

IROZAN is a color mixing puzzle where you blend paints to create the target color. Powered by a CMYK-based mixing algorithm, colors blend realistically like real paint.

Match the target with 85% accuracy or higher. Clear all 10 rounds to win.

【How to Play】
1. Check the target color
2. Choose colors from your paints and mix them
3. Hit 85% accuracy to clear the round!

【Key Features】
・3 difficulty levels (Beginner, Intermediate, Advanced)
・1 Daily Challenge every day
・A streak feature for consecutive play
・Play history and stats tracking

【Perfect for】
・Anyone who loves mixing colors or is curious about color
・People looking for a quick puzzle to play in spare moments
・Parents and kids who want to enjoy learning about color together
・Art and design enthusiasts


## Version history (last 5 releases)

### 1.3.0 — 2026-07-12

Thank you for using 色算!
Here's what's new in this update:

・Added in-app background music
・Added haptic feedback for pouring paint and result screens
・Match-rate feedback now includes CMYK component-based tips
・Premium paint sets are back!

Thank you for continuing to enjoy 色算!

### 1.2.0 — 2026-06-22

Thank you for using 色算!
Here's what's new in this update:

・Redesigned the home screen background with a fluid, flowing paint animation
・Refreshed the paint-mixing animation for a more realistic and beautiful look
・Minor improvements

### 1.1.2 — 2026-06-08

Thank you for using 色算!
Here's what's new in this update:

・Improved app stability and performance

### 1.1.1 — 2026-05-11

Thank you for your continued support.

The following corrections have been made:

- Fixed some minor bugs for a smoother experience.

### 1.1.0 — 2026-05-07

Thank you for your continued support.

The following corrections have been made:

- Weekly Missions: Challenge yourself and earn rewards!
- Fixed some minor bugs for a smoother experience.

## More apps by naoya saito

- [百Math - Calculation App -](https://appshunter.io/ios/app/math-calculation-app/id1576521639)
- [到チャック -乗り過ごし防止アプリ-](https://appshunter.io/ios/app/id1617118114)
- [Texport](https://appshunter.io/ios/app/texport/id6448851646)
- [Chinitsu King](https://appshunter.io/ios/app/chinitsu-king/id6759561881)

All apps by naoya saito: https://appshunter.io/developer/1576521641

## Related topics

[ajito](https://appshunter.io/ios/topics/ajito)

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-22.*