# Color Theory Quick Reference vs Chula Lecturio

The clearest difference is price: Chula Lecturio at Free against Color Theory Quick Reference's $0.99. Chula Lecturio also leads on update cadence (every 3 months vs every 26 months) and device support (3 vs 1). Color Theory Quick Reference's advantage is iOS requirement (11.0 vs 15.0). On ads and in-app purchases there is nothing between them.

Chula Lecturio is free to download; Color Theory Quick Reference costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Color Theory Quick Reference ships an update every 26 months, Chula Lecturio every 3 months. The most recent releases landed on October 11, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Color Theory Quick Reference | Chula Lecturio |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/color-theory-quick-reference/id556166568/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 3 months** |
| Monetization | Paid | — |
| Size | 4 MB | 119 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Ventura Educational Systems](https://appshunter.io/developer/371324172) | [Lecturio GmbH](https://appshunter.io/developer/667474928) |

## What reviewers say

### Color Theory Quick Reference

[App page](https://appshunter.io/ios/app/color-theory-quick-reference/id556166568)

This app provides a simple way to understand color interactions for beginners. It offers informational content on various color concepts and includes a quiz to test knowledge. Ideal for students and teachers in introductory art and design.

**Highlights:** Informational tool for color concepts, Interactive color information, Quiz for knowledge testing, Drag and drop color relationships, Covers primary, secondary, and intermediate colors, Explains complementary and split-complementary colors

**Features:** macOS Compatibility

**In-app purchases:** none


### Chula Lecturio

[App page](https://appshunter.io/ios/app/chula-lecturio/id1550308887)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Color Theory Quick Reference free?

Color Theory Quick Reference costs $0.99, with no in-app purchases.

### Is Chula Lecturio free?

Chula Lecturio is free to download, with no in-app purchases.

### Do Color Theory Quick Reference or Chula Lecturio have ads?

Neither Color Theory Quick Reference nor Chula Lecturio shows ads.

### Which is updated more often, Color Theory Quick Reference or Chula Lecturio?

Color Theory Quick Reference ships an update every 26 months, and Chula Lecturio every 3 months. Most recently, Color Theory Quick Reference was updated on October 11, 2026 and Chula Lecturio on October 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*