Periodic Table Question Bank vs Trigonometry Practice
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Periodic Table Question Bank
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Learn and test your chemistry skills with the Periodic Table Question Bank! Challenge yourself with quizzes on element names, symbols, atomic numbers, and properties. Perfect for students, teachers, and anyone curious about chemistry!
Trigonometry Practice
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Trigonometry Practice is an MCQ based trigonometry learning app designed for students and competitive exam aspirants. This app helps you revise trigonometric ratios, identities, equations, graphs, and real life applications through well structured practice questions. If you are preparing for school exams, engineering entrance tests, or competitive exams, this app provides systematic revision and fast self assessment. The app focuses only on MCQ practice to improve speed, accuracy, and exam style preparation. Topics Covered Trigonometric Ratios and Functions Sine Ratio: opposite side divided by hypotenuse Cosine Ratio: adjacent side divided by hypotenuse Tangent Ratio: opposite side divided by adjacent side Reciprocal Ratios: cosec, sec, cot Angle Measurement: degrees, radians, quadrants Signs of Ratios: ASTC rule Trigonometric Identities Pythagorean Identity: sin^2(theta) + cos^2(theta) = 1 Reciprocal Identities Quotient Identity: tan(theta) = sin(theta) / cos(theta) Double Angle Formulas Half Angle Formulas Sum and Difference Formulas Trigonometric Equations Basic equations: sin(x) = 0, cos(x) = 0 General solutions using periodicity Multiple angle equations Quadratic trigonometric equations Graph based solutions Applications in triangles and angle problems Trigonometric Graphs Sine graph Cosine graph Tangent and cotangent graphs Secant and cosecant graphs Basic periodic behavior Inverse Trigonometric Functions Definitions and principal values Domains and ranges Graphs of arcsin, arccos, arctan Properties and identities Applications in equations and calculus Applications of Trigonometry Heights and distances Navigation and directions Astronomy Physics and engineering Real life angle based problems Key Features Covers all major trigonometry topics MCQ based practice for fast revision Useful for school, engineering entrance, and competitive exams Step by step explanations Improves accuracy and problem solving skills Trigonometry Practice is a simple and effective tool for learning and revising trigonometry concepts through MCQs.
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Verdict
The clearest difference is update cadence: Trigonometry Practice at every 9 days against Periodic Table Question Bank's every 36 months. Trigonometry Practice also leads on iOS requirement (13.0 vs 18.2). On price, 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
Periodic Table Question Bank costs $0.99 and Trigonometry Practice $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.
Periodic Table Question Bank ships an update every 36 months, Trigonometry Practice every 9 days. The most recent releases landed on October 12, 2026 and October 15, 2026 respectively.
| Parameter | Periodic Table Question Bank | Trigonometry Practice |
|---|---|---|
| Price | $0.99 | $0.49 — better |
| Update frequency | Every 36 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.2 | 13.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 20 MB |
| Age rating | 4+ | 17+ |
| Developer | Prachi Pimpalkhare | Manish Kumar |
In-app purchases
Periodic Table Question Bank
No in-app purchases
Trigonometry Practice
No in-app purchases
Questions
Is Periodic Table Question Bank free?
Is Trigonometry Practice free?
Do Periodic Table Question Bank or Trigonometry Practice have ads?
Which is updated more often, Periodic Table Question Bank or Trigonometry Practice?
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