Trigonometry Quick Reference vs Calc Visualizer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
Calc Visualizer
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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 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
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.
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.
| Parameter | Trigonometry Quick Reference | Calc Visualizer |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 8 months — better | Every 44 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPad | iPad |
| Requires iOS | 12.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | Ventura Educational Systems | Thomas Bretl |
In-app purchases
Trigonometry Quick Reference
No in-app purchases
Calc Visualizer
No in-app purchases
Questions
Is Trigonometry Quick Reference free?
Is Calc Visualizer free?
Do Trigonometry Quick Reference or Calc Visualizer have ads?
Which is updated more often, Trigonometry Quick Reference or Calc Visualizer?
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