Comparison

Trigonometry Quick Reference vs Calc Visualizer

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

Calc Visualizer

Features
Read full description

Calc Visualizer helps the user better understand some of the most important concepts of calculus. The app includes eight different modules: 1) Descartes' Method, 2) Fermat's Method, 3) Derivatives, 4) Areas under Curves, 5) Fundamental Theorem, 6) Slope Fields, 7) Max-Min problems, and 8) Related rate problems. Highly interactive, but with extensive instructional help screens and animations.

Verdict

The call

The clearest difference is price: Calc Visualizer at Free against Trigonometry Quick Reference's $0.99. Calc Visualizer also leads on iOS requirement (8.0 vs 12.0). Trigonometry Quick Reference's advantage is update cadence (every 8 months vs every 44 months). On ads, in-app purchases and device support 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

Calc Visualizer is free to download; Trigonometry Quick Reference costs $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, Calc Visualizer every 44 months. The most recent releases landed on October 23, 2026 and October 26, 2026 respectively.

Scorecard3 real differences · 7 level
Trigonometry Quick Reference versus Calc Visualizer: the parameters behind the verdict, then further details
ParameterTrigonometry Quick ReferenceCalc Visualizer
Price$0.99Free — better
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 8 months — betterEvery 44 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPadiPad
Requires iOS12.08.0 — better
Further details — not scored
Size10 MB39 MB
Age rating4+4+
DeveloperVentura Educational SystemsThomas Bretl

In-app purchases

None

Trigonometry Quick Reference

No in-app purchases

None

Calc Visualizer

No in-app purchases

Questions

Is Trigonometry Quick Reference free?
Trigonometry Quick Reference costs $0.99, with no in-app purchases.
Is Calc Visualizer free?
Calc Visualizer is free to download, with no in-app purchases.
Do Trigonometry Quick Reference or Calc Visualizer have ads?
Neither Trigonometry Quick Reference nor Calc Visualizer shows ads.
Which is updated more often, Trigonometry Quick Reference or Calc Visualizer?
Trigonometry Quick Reference ships an update every 8 months, and Calc Visualizer every 44 months. Most recently, Trigonometry Quick Reference was updated on October 23, 2026 and Calc Visualizer on October 26, 2026.

Other comparisons