Comparison

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.

Head to head
About

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.

Highlights
  • Compound Angle Formulas
  • Subsidiary Angle Formulas
  • Double Angle Formulas
  • Triple Angle Formulas
  • Half Angle Formulas
  • Product-To-Sum Formulas
  • Sum-To-Product Formulas
Features
Read full description

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

About

Grade 8 Math Practice

Features
Read full description

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.

Screenshots

Trigonometry Hong Kong4 screens
Grade 8 Math Practice4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 6 level
Trigonometry Hong Kong versus Grade 8 Math Practice: the parameters behind the verdict, then further details
ParameterTrigonometry Hong KongGrade 8 Math Practice
PriceFree — better$0.49
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 34 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.613.0 — better
Further details — not scored
Size4 MB23 MB
Age rating4+12+
DeveloperSee Yan WongManish Kumar

In-app purchases

None

Trigonometry Hong Kong

No in-app purchases

None

Grade 8 Math Practice

No in-app purchases

Questions

Is Trigonometry Hong Kong free?
Trigonometry Hong Kong is free to download, with no in-app purchases.
Is Grade 8 Math Practice free?
Grade 8 Math Practice costs $0.49, with no in-app purchases.
Do Trigonometry Hong Kong or Grade 8 Math Practice have ads?
Neither Trigonometry Hong Kong nor Grade 8 Math Practice shows ads.
Which is updated more often, Trigonometry Hong Kong or Grade 8 Math Practice?
Trigonometry Hong Kong ships an update every 34 months, and Grade 8 Math Practice every 3 weeks. Most recently, Trigonometry Hong Kong was updated on October 29, 2026 and Grade 8 Math Practice on October 28, 2026.

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