Comparison

Trigonometry 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

Trigonometry Quick Reference

This app offers a concise overview of fundamental trigonometry concepts, including sine, cosine, tangent, and inverse functions. It serves as a quick reference tool for students to review key ideas and test their understanding with quizzes.

Highlights
  • Overview of basic trigonometry concepts
  • Explanations of sine, cosine, and tangent
  • Information on inverse functions
  • Unit circle, ranges, and domains
  • Quizzes to measure understanding
  • Detailed explanations on key topics
Features
Read full description

Trigonometry Quick Reference provides an overview of the basic concepts needed for success in trigonometry. It provides a simple way to access and review the fundamental ideas of Trigonometry. After studying the information on one of the screens students can take a quiz to measure their understanding. Here are a few of the ways you will use Trigonometry Quick Reference everyday with your students: • Use Trigonometry Quick Reference as an informational tool to help students understand and review basic concepts of trigonometry, including the meaning and application of sine, cosine, and tangent functions, inverse functions, the unit circuit, ranges and domains. •Tap the areas of the screen to bring up more detailed information and explanations about essential trigonometry concepts. •Tap to get more information about key topics including trigonometric functions, trigonometric laws, inverse function, periodic formulas, tangent and cotangent identities, sum and difference formulas and many other key concepts.

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 update cadence: Trigonometry Quick Reference at every 8 months against LCM GCD Prime Factor Math's every 18 months. LCM GCD Prime Factor Math's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement 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

Trigonometry 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

Trigonometry Quick Reference ships an update every 8 months, LCM GCD Prime Factor Math every 18 months. The most recent releases landed on June 8, 2026 and May 16, 2026 respectively.

Scorecard2 real differences · 8 level
Trigonometry Quick Reference versus LCM GCD Prime Factor Math: the parameters behind the verdict, then further details
ParameterTrigonometry Quick ReferenceLCM GCD Prime Factor Math
Price$0.99$0.99
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 8 months — betterEvery 18 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPadiPhone, iPad, iPod — better
Requires iOS12.011.0 — better
Further details — not scored
Size10 MB5 MB
Age rating4+4+
DeveloperVentura Educational SystemsMaria Dolores Garcia Ferre

In-app purchases

None

Trigonometry Quick Reference

No in-app purchases

None

LCM GCD Prime Factor Math

No in-app purchases

Questions

Is Trigonometry Quick Reference free?
Trigonometry 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 Trigonometry Quick Reference or LCM GCD Prime Factor Math have ads?
Neither Trigonometry Quick Reference nor LCM GCD Prime Factor Math shows ads.
Which is updated more often, Trigonometry Quick Reference or LCM GCD Prime Factor Math?
Trigonometry Quick Reference ships an update every 8 months, and LCM GCD Prime Factor Math every 18 months. Most recently, Trigonometry Quick Reference was updated on June 8, 2026 and LCM GCD Prime Factor Math on May 16, 2026.

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