Trigonometry Hong Kong vs Grade 8 Math Practice
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Trigonometry Hong Kong
This app provides a comprehensive guide to trigonometric formulas essential for Hong Kong university entrance exams. It covers a wide range of formulas, from basic sine and cosine to more advanced compound and subsidiary angle identities.
- Compound Angle Formulas
- Subsidiary Angle Formulas
- Double Angle Formulas
- Triple Angle Formulas
- Half Angle Formulas
- Product-To-Sum Formulas
- Sum-To-Product Formulas
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Trigonometric Compound Angle formulas used in the public examination for the entrance of the universities in Hong Kong. Contents :- 1. Sine Formula 2. Cosine Formula 3. Tangent Formula 4. Compound Angle Formula 5. Subsidiary Angle Formula 6. Double Angle Formula 7. Triple Angle Formula 8. Half Angle Formula 9. T Formula 10. Product-To- Sum Formula 11. Sum-To- Product Formula 12. Principal Value 13. General solution For Trigonometric Functions
Grade 8 Math Practice
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Grade 8 Math Practice is an educational application designed to help students strengthen their mathematics skills through consistent practice and assessment. The app provides chapter-wise quizzes, mock tests, and daily practice questions aligned with the Grade 8 mathematics curriculum. It supports concept reinforcement, self-evaluation, and exam preparation by allowing learners to practice questions topic by topic and monitor their performance using statistics. Chapters Included 1. Rational Numbers Properties of rational numbers, number line representation, standard form, operations, and comparison. 2. Linear Equations Understanding equations, solving one-variable equations, transposition methods, verification, and word problems. 3. Understanding Quadrilaterals Polygon basics, angle sum property, types of quadrilaterals, and properties of sides and diagonals. 4. Data Handling Data collection, frequency tables, bar graphs, pie charts, and basic probability concepts. 5. Squares and Square Roots Square numbers, perfect squares, square roots, methods to find roots, and applications. 6. Cubes and Cube Roots Cube numbers, perfect cubes, cube roots, factorization methods, and volume-based applications. 7. Algebraic Expressions and Identities Expressions, terms and factors, algebraic identities, expansion, and simplification. 8. Mensuration Perimeter, area of plane figures, surface area, and volume of solids. Key Features Chapter-wise practice quizzes Mock tests for overall assessment Daily quiz for regular practice Performance statistics to track learning progress Questions aligned with Grade 8 syllabus Simple and distraction-free interface Grade 8 Math Practice is suitable for classroom learning, self-study, and exam revision. The app is designed to help students practice regularly, improve accuracy, and track progress over time.
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Verdict
The clearest difference is price: Trigonometry Hong Kong at Free against Grade 8 Math Practice's $0.49. Grade 8 Math Practice's advantage is update cadence (every 3 weeks vs every 34 months) and iOS requirement (13.0 vs 15.6). 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
Trigonometry Hong Kong is free to download; Grade 8 Math Practice costs $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.
Trigonometry Hong Kong ships an update every 34 months, Grade 8 Math Practice every 3 weeks. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.
| Parameter | Trigonometry Hong Kong | Grade 8 Math Practice |
|---|---|---|
| Price | Free — better | $0.49 |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 34 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 23 MB |
| Age rating | 4+ | 12+ |
| Developer | See Yan Wong | Manish Kumar |
In-app purchases
Trigonometry Hong Kong
No in-app purchases
Grade 8 Math Practice
No in-app purchases
Questions
Is Trigonometry Hong Kong free?
Is Grade 8 Math Practice free?
Do Trigonometry Hong Kong or Grade 8 Math Practice have ads?
Which is updated more often, Trigonometry Hong Kong or Grade 8 Math Practice?
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