Comparison

Color Theory Quick Reference vs LCM GCD Prime Factor Math

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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

About

LCM GCD Prime Factor Math

Features
Read full description

This application is a mathematical tool that helps to find the LCM (least common multiple) and the GCD (greatest common divisor) of up to 4 numbers. Factorization : integers of up to 7 digits are allowed as input. You can decomposing numbers up to 9999999 into prime factors and find out if a number is prime or not.

Screenshots

LCM GCD Prime Factor Math4 screens

Verdict

The call

The clearest difference is device support: LCM GCD Prime Factor Math at 3 against Color Theory Quick Reference's 1. On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Color Theory Quick Reference costs $0.99 and LCM GCD Prime Factor Math $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Color Theory Quick Reference ships an update every 26 months, LCM GCD Prime Factor Math every 18 months. The most recent releases landed on June 2, 2026 and May 16, 2026 respectively.

Scorecard1 real difference · 9 level
Color Theory Quick Reference versus LCM GCD Prime Factor Math: the parameters behind the verdict, then further details
ParameterColor Theory Quick ReferenceLCM GCD Prime Factor Math
Price$0.99$0.99
Rating1.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 26 monthsEvery 18 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPadiPhone, iPad, iPod — better
Requires iOS11.011.0
Further details — not scored
Size4 MB5 MB
Age rating4+4+
DeveloperVentura Educational SystemsMaria Dolores Garcia Ferre

In-app purchases

None

Color Theory Quick Reference

No in-app purchases

None

LCM GCD Prime Factor Math

No in-app purchases

Questions

Is Color Theory Quick Reference free?
Color Theory Quick Reference costs $0.99, with no in-app purchases.
Is LCM GCD Prime Factor Math free?
LCM GCD Prime Factor Math costs $0.99, with no in-app purchases.
Do Color Theory Quick Reference or LCM GCD Prime Factor Math have ads?
Neither Color Theory Quick Reference nor LCM GCD Prime Factor Math shows ads.
Which is updated more often, Color Theory Quick Reference or LCM GCD Prime Factor Math?
Color Theory Quick Reference ships an update every 26 months, and LCM GCD Prime Factor Math every 18 months. Most recently, Color Theory Quick Reference was updated on June 2, 2026 and LCM GCD Prime Factor Math on May 16, 2026.

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