Color Theory Quick Reference vs Equal Earth
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Color Theory Quick Reference
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.
- 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
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Color Theory Quick Reference Color Theory Quick Reference is a basic information tool for anyone who is new to color theory and needs a simple way to understand how colors interact. It is set up like a two-sided card with information on both sides. It provides introductory information to students who are new to color theory. Teachers will find the quiz function included in this app test helpful. Using the app a student's knowledge of color theory is tested by presenting a series of multiple choice questions. Here are a few of the ways you will use Color Theory Quick Reference everyday with introductory art and design students: • Use Color Theory Quick Reference as an informational tool to help students understand and review basic art concepts in relation to color. •Tap the areas of the screen to bring up more information shifts about primary, secondary and intermediate colors. •Tap to get more information about complementary and split-complementary colors. •Tap the question mark icon to activate a quiz to test knowledge of color theory. A perfect tool for introductory art and design teachers. •Drag and drop primary, secondary or intermediate colors to better understand their relationships. Use our Color Theory Quick Reference app to help students learn the basic terminology associated with color. Many of the areas of the screen are hot spots. Tap terms and icons to bring up more information about each topic. Topics include: •Primary and Secondary Colors •Intermediate Colors •Complementary Colors •Split-Complementary Colors •Color Temperature •Value •Grayscale •Tint and Shade •Mixing Colors
Equal Earth
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See the world as it really is. Most world maps stretch the far north and south, so Greenland looks as big as Africa. Equal Earth uses an equal-area projection: every country appears at its true relative size. Explore, compare, play and design your own maps on iPhone, iPad and Mac. ATLAS • A full-screen world map with 241 countries, territories and regions • Tap any country to see its size, world rank, share of world land and a familiar comparison • 12 map styles, from Political and Original Artwork to Midnight Gold and Nordic Air • Country labels, rivers, lakes and graticule, all offline COMPARE • Line up countries side by side on one shared scale • Overlay shapes and drag them around to see the real difference • Ready-made ideas: The Giants, Greenland vs. DR Congo, Africa’s largest and more QUIZ • Daily Challenge: five mixed questions, the same for everyone each day, with streaks • Find It: tap the country on the map • Which Is Bigger?: two shapes, one true answer • Name the Shape: recognise a country by its outline • Pick a region and level; personal bests are saved MY WORLD • Mark places you have been and places you want to go • See how much of the world you have explored, across six continents • Turn your travels into a poster with one tap MAP STUDIO • Paint countries directly on the map, using your legend categories as brushes • Add a title, subtitle, footer, labels and up to six legend categories • 10 designer palettes plus custom colors • Export PNG or JPEG up to 7200 × 4800 pixels, or a vector PDF that stays sharp at any print size • Keep multiple designs and move editable map files between devices PRIVATE BY DESIGN No account. No ads, in-app purchases, analytics or tracking. Everything stays on your device and works offline. One purchase includes iPhone, iPad and Mac. Cartography: Tom Patterson / Equal Earth. Equal Earth projection by Bojan Šavrič, Tom Patterson and Bernhard Jenny. Made with Natural Earth. Areas are approximate measurements of the map geometry. Small island symbols may be enlarged; boundaries and names follow the source artwork.
Screenshots
Verdict
The clearest difference is price: Color Theory Quick Reference at $0.99 against Equal Earth's $8.99. Color Theory Quick Reference also leads on iOS requirement (11.0 vs 17.0). Equal Earth's advantage is update cadence (monthly vs every 26 months) and device support (3 vs 1). On ads and in-app purchases 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
Color Theory Quick Reference costs $0.99 and Equal Earth $8.99 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, Equal Earth monthly. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.
| Parameter | Color Theory Quick Reference | Equal Earth |
|---|---|---|
| Price | $0.99 — better | $8.99 |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 26 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPad | iPhone, iPad, Mac — better |
| Requires iOS | 11.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 4 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Ventura Educational Systems | Nha HOANG |
In-app purchases
Color Theory Quick Reference
No in-app purchases
Equal Earth
No in-app purchases
Questions
Is Color Theory Quick Reference free?
Is Equal Earth free?
Do Color Theory Quick Reference or Equal Earth have ads?
Which is updated more often, Color Theory Quick Reference or Equal Earth?
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