Comparison

Trigonometry and functions vs Physics Constants Library

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Trigonometry and functions

Features
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"Trigonometry and functions" is an educational and a reference app that describes important concepts in Trigonometry. As the name suggests, the app has explanation with problems to solve on various topics, such as the six trigonometric functions, the law of sines , cosines, and tangents, inverse Trignometric functions, and the measures of degrees and radians. The audio explains the concepts that enables the user to pause, or continue to listen.

About

Physics Constants Library

Features
Read full description

Discover the building blocks of our universe with Physics Constants Library – the ultimate reference and learning tool for students, educators, and professionals. Whether you’re preparing for exams, teaching in the classroom, or working on research, this app puts the most important physics constants and tools at your fingertips. What You’ll Get β€’ 20+ Fundamental Constants – Gravity, Planck’s constant, electron charge, speed of light, and more. β€’ Smart Search & Filters – Quickly find constants by name, symbol, or value. β€’ Multi-Unit Support – Switch between SI, CGS, Imperial, and other unit systems. β€’ Interactive Learning – Use flashcards, quizzes, and study modes to strengthen memory. β€’ Professional Tools – Unit converter, calculator, and built-in formula helper. β€’ Offline Access – Access all content anytime, without internet. Key Features Constants Library β€’ Covers mechanics, quantum physics, thermodynamics, electromagnetism, and more. β€’ Includes historical context, real-world applications, and related concepts. Learning Center β€’ Flashcards with smart repetition for long-term retention. β€’ Quizzes with adjustable difficulty levels. β€’ Study progress tracking to stay motivated. Professional Tools β€’ Advanced unit converter with 25+ categories. β€’ Scientific calculator with constants built-in. β€’ Formula helper to apply equations instantly. Modern Experience β€’ Clean, elegant interface designed for clarity. β€’ Dark mode, 10 app themes - System, Light, Dark, Cosmic, Quantum, Sunset, Ocean, Forest, Aurora, Midnight and accessibility support. β€’ Favorites tab for quick access to your most-used constants. Perfect For β€’ Students – Learn and memorize constants with ease. β€’ Teachers – Enhance lessons with interactive study tools. β€’ Researchers & Engineers – Reliable, quick reference during work. β€’ Enthusiasts – Explore the fundamental constants that shape our world. Data Accuracy You Can Trust All values are based on CODATA 2018 recommendations and NIST standards, ensuring precision for both academic and professional use. Upgrade for More Unlock premium to access advanced study modes, unlimited practice, and detailed progress analytics. Download Physics Constants Library today and take your physics knowledge to the next level!

Screenshots

Trigonometry and functions4 screens
Physics Constants Library4 screens

Verdict

The call

The clearest difference is price: Physics Constants Library at Free against Trigonometry and functions's $3.99. Trigonometry and functions's advantage is in-app purchases (none vs 1) and ads (none vs shown). On iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Physics Constants Library is free to download; Trigonometry and functions costs $3.99 up front. Physics Constants Library sells 1 one-off in-app purchase. Trigonometry and functions asks for nothing beyond the download.

Scorecard4 real differences Β· 2 level
Trigonometry and functions versus Physics Constants Library: the parameters behind the verdict, then further details
ParameterTrigonometry and functionsPhysics Constants Library
Price$3.99Free β€” better
Update frequencyβ€”Every 7 months
AdsNo β€” betterYes
In-app purchasesNo β€” betterYes
DevicesiPhone, iPad, Mac β€” betteriPhone
Requires iOS17.6 β€” better18.4
Further details β€” not scored
Size1 MB10 MB
Age rating4+4+
DeveloperGomathy ShankaranChatStick Company Limited

In-app purchases

None

Trigonometry and functions

No in-app purchases

1 purchases

Physics Constants Library

One-time1
  • Unlock All Features$2.99

Questions

Is Trigonometry and functions free?
Trigonometry and functions costs $3.99, with no in-app purchases.
Is Physics Constants Library free?
Physics Constants Library is free to download, with in-app purchases available.
Do Trigonometry and functions or Physics Constants Library have ads?
Physics Constants Library shows ads; Trigonometry and functions does not.

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