Trigonometry! vs Trigonometry Formulas
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"!
Trigonometry Formulas
Access a comprehensive collection of trigonometry formulas, including ratios, functions, standard angle values, and identities. This app covers basic to advanced topics like inverse circular functions and properties of triangles, serving as a handy reference for students and enthusiasts.
- Trigonometric Ratios and Functions
- Basic Trigonometric Formulas
- Standard Angle Values
- Quadrant Rules of Signs
- Addition and Subtraction Formulas
- Inverse Circular Functions
- Properties of Triangles
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Contents :- 1.Trigonometric Ratios and Functions 2. Basic Trigonometric Formula 3. Values of Trigonometric Ratios for Standard Angles 4. Quadrant Rules Of Signs 5 .Range of Trigonometric Functions 6. Addition and Subtraction Formula 7. Double, Half and Triple angle Formula 8.Transformation Formula 9. Conditional Identities (when A+B+C = π) 10. Properties of Triangles 11.Inverse Circular Functions 12. Trigonometric Equations and General Values 13.Cosine law,Sine law,Projection law,Half angle Formula,Miscellaneous results 14. Domain and Ranges of Inverse Circular Functions,Important relations on inverse circular Functions
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Verdict
The clearest difference is review sentiment: Trigonometry Formulas at 100% against Trigonometry!'s 14%. Trigonometry Formulas also leads on rating (5.0 vs 2.0) and in-app purchases (none vs 1). Trigonometry!'s advantage is price (Free vs $0.99) and update cadence (every 4 months vs every 10 months). On ratings volume, ads 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
Trigonometry! is free to download; Trigonometry Formulas costs $0.99 up front. Trigonometry! sells 1 one-off in-app purchase. Trigonometry Formulas asks for nothing beyond the download.
Trigonometry Formulas holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews point the same way: 14% of Trigonometry!'s written reviews are positive against 100% of Trigonometry Formulas's.
Trigonometry! ships an update every 4 months, Trigonometry Formulas every 10 months. The most recent releases landed on September 18, 2026 and August 19, 2026 respectively.
| Parameter | Trigonometry! | Trigonometry Formulas |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 2.0 (4 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 14.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 4 — better | 2 |
| Update frequency | Every 4 months — better | Every 10 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 29 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | AppCrab | Ranjeet Kumar |
Customer experience
Trigonometry!
Trigonometry Formulas
In-app purchases
Trigonometry!
- Trigonometry Premium$0.99
Trigonometry Formulas
No in-app purchases
Questions
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Is Trigonometry Formulas free?
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