Trigonometry Quick Reference vs Speed Trigonometry
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.
Speed Trigonometry
This app helps students quickly memorize the unit circle. It quizzes users on sine, cosine, tangent, and inverse trigonometric values for key angles. Developed by students for students, it's ideal for precalculus learners.
- Unit circle memorization
- Quizzes on trig values
- Focus on key angles
- Sine, cosine, tangent, inverse values
- Student-developed
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Speed Trig is the #1 app for memorizing the unit circle fast. Designed for students enrolled in Precalculus, the app quizzes you on the sine, cosine, tangent, and inverse trig values of the four main unit circle angles: π/2, π/3, π/4, and π/6. Our app was made by students, for students.
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Verdict
The clearest difference is price: Speed Trigonometry at Free against Trigonometry Quick Reference's $0.99. Speed Trigonometry also leads on ratings volume (5 vs 1). Trigonometry Quick Reference's advantage is rating (5.0 vs 4.8) and iOS requirement (12.0 vs 18.5). On review sentiment, 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
Speed Trigonometry 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 holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Speed Trigonometry has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.
Trigonometry Quick Reference ships an update every 8 months, Speed Trigonometry every 14 months. The most recent releases landed on June 8, 2026 and August 8, 2026 respectively.
| Parameter | Trigonometry Quick Reference | Speed Trigonometry |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | 4.8 (5 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 1 | 5 — better |
| Update frequency | Every 8 months — better | Every 14 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPad | iPhone, iPad — better |
| Requires iOS | 12.0 — better | 18.5 |
| Further details — not scored | ||
| Size | 10 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Ventura Educational Systems | Nick Petroni |
Customer experience
Trigonometry Quick Reference
Speed Trigonometry
In-app purchases
Trigonometry Quick Reference
No in-app purchases
Speed Trigonometry
No in-app purchases
Questions
Is Trigonometry Quick Reference free?
Is Speed Trigonometry free?
Which has better reviews, Trigonometry Quick Reference or Speed Trigonometry?
Do Trigonometry Quick Reference or Speed Trigonometry have ads?
Which is updated more often, Trigonometry Quick Reference or Speed Trigonometry?
Other comparisons
