Trigonometry! vs Speed Trigonometry
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Trigonometry!
Master trigonometry with this comprehensive mobile helper. It offers a textbook, visual explanations, and video lessons covering all essential formulas and theorems. Prepare for your exams with detailed content and easy-to-understand explanations.
- Ordered set of basic formulas and theorems
- 172 video lessons
- Easy-to-read and understand textbook
- Covers major trigonometry topics
- Visual explanations
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Are your trigonometry exam at the corner? Our app will rescue you! "Trigonometry" is your personal helper that provides you with all information required. Can you just imagine that with the help of one mobile app you can easily learn trig reviewing the textbook provided, observing visual explanations and watching video lessons?! Downloading our app you get: ▶ FORMULAS • Ordered set of basic formulas and theorems that can only be applied in the frameworks of this course • Needed comments and explanations are given ▶ 172 VIDEO LESSONS ▶ TEXTBOOK • It covers major topics • Textbook is easy-to-read and easy-to-understand • The book divided into: - Right Triangle Trigonometry - Angles - Trigonometric Functions of an Acute Angle - Applications and Solving Right Triangles - Trigonometric Functions of Any Angle - Rotations and Reflections of Angles - General Triangles - The Law of Sines - The Law of Cosines - The Law of Tangents - The Area of a Triangle - Circumscribed and Inscribed Circles - Identities - Trigonometric Identities - Sum and Difference Formulas - Double-Angle and Half-Angle Formulas - Other Identities - Radian Measure - Radians and Degrees - Arc Length - Area of a Sector - Circular Motion: Linear and Angular Speed - Graphing and Inverse Functions - Graphing the Trigonometric Functions - Properties of Graphs of Trigonometric Functions - Inverse Trigonometric Functions - Solving Trigonometric Equations - Numerical Methods in Trigonometry - Complex Numbers - Polar Coordinates Stop being scared, download "Trigonometry"!
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.
Screenshots
Verdict
The clearest difference is review sentiment: Speed Trigonometry at 100% against Trigonometry!'s 14%. Speed Trigonometry also leads on rating (4.8 vs 2.0) and in-app purchases (none vs 1). Trigonometry!'s advantage is update cadence (every 4 months vs every 14 months) and iOS requirement (9.0 vs 18.5). On price, ratings volume, ads and monetization model 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
Both are free to download. Trigonometry! sells 1 one-off in-app purchase. Speed Trigonometry asks for nothing beyond the download.
Speed Trigonometry holds the better App Store score, 4.8 against 2.0. Both are backed by a comparable volume of ratings — 4 and 5 respectively. Written reviews point the same way: 14% of Trigonometry!'s written reviews are positive against 100% of Speed Trigonometry's.
Trigonometry! ships an update every 4 months, Speed Trigonometry every 14 months. The most recent releases landed on September 18, 2026 and August 8, 2026 respectively.
| Parameter | Trigonometry! | Speed Trigonometry |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (4 ratings) | 4.8 (5 ratings) — better |
| Positive reviews | 14.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 4 | 5 — better |
| Update frequency | Every 4 months — better | Every 14 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.0 — better | 18.5 |
| Further details — not scored | ||
| Size | 29 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | AppCrab | Nick Petroni |
Customer experience
Trigonometry!
Speed Trigonometry
In-app purchases
Trigonometry!
- Trigonometry Premium$0.99
Speed Trigonometry
No in-app purchases
Questions
Is Trigonometry! free?
Is Speed Trigonometry free?
Which has better reviews, Trigonometry! or Speed Trigonometry?
Do Trigonometry! or Speed Trigonometry have ads?
Which is updated more often, Trigonometry! or Speed Trigonometry?
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