Comparison

Physics vs Physics Constants Library

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

Head to head
About

Physics

This interactive reference app provides a comprehensive collection of physics terms, formulas, and calculators. It's designed to help users prepare for tests and Olympiads by offering clear explanations, interactive tables, and internal search functionality.

Highlights
  • 280+ physics terms and definitions
  • 250+ categorized physics formulas
  • 180+ interactive calculators
  • Interactive tables for knowledge assimilation
  • Internal search for terms and formulas
  • Convenient in-app navigation
Read full description

“Physics - Formulas and Calculators” is an interactive reference book of terms, formulas and tables. In the reference book you will find theory, terms and formulas divided into categories. Each formula contains a concise description as well as variable designations. With our app you will be able to prepare for physics tests or Olympiads. In this app we have collected for you: - 280+ terms, words and phrases that are characteristic designations for the term; - 250+ formulas that are categorized by the main sections of physics; - 180+ calculators that will help you at any time. With their help you will cope with any problem, equation or example; - A collection of interactive tables, with the help of which you can: informally assimilate the topic, consciously work with educational literature and independently eliminate gaps in knowledge; - Internal search by terms and formulas; - Convenient navigation in the application. “Physics - Formulas and Calculators” will help you: 1. Prepare for a lesson, exam or Olympiad at any time; 2. Deepen your knowledge in your favorite subject; 3. Learn formulas in physics; 4. Understand and memorize new terms and their meanings; 5. Recall or find the correct formula; 6. Solve any problem with our calculators. Prepare for exams and Olympiads with your mobile. Now you have a new tool that will help you more than once on a test, practical work or in preparation for exams.

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 • 20+ Fundamental Constants – Gravity, Planck’s constant, electron charge, speed of light, and more. • Smart Search & Filters – Quickly find constants by name, symbol, or value. • Multi-Unit Support – Switch between SI, CGS, Imperial, and other unit systems. • Interactive Learning – Use flashcards, quizzes, and study modes to strengthen memory. • Professional Tools – Unit converter, calculator, and built-in formula helper. • Offline Access – Access all content anytime, without internet. Key Features Constants Library • Covers mechanics, quantum physics, thermodynamics, electromagnetism, and more. • Includes historical context, real-world applications, and related concepts. Learning Center • Flashcards with smart repetition for long-term retention. • Quizzes with adjustable difficulty levels. • Study progress tracking to stay motivated. Professional Tools • Advanced unit converter with 25+ categories. • Scientific calculator with constants built-in. • Formula helper to apply equations instantly. Modern Experience • Clean, elegant interface designed for clarity. • Dark mode, 10 app themes - System, Light, Dark, Cosmic, Quantum, Sunset, Ocean, Forest, Aurora, Midnight and accessibility support. • Favorites tab for quick access to your most-used constants. Perfect For • Students – Learn and memorize constants with ease. • Teachers – Enhance lessons with interactive study tools. • Researchers & Engineers – Reliable, quick reference during work. • 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

Physics4 screens
Physics Constants Library4 screens

Verdict

The call

The clearest difference is ads: Physics at none against Physics Constants Library's shown. Physics also leads on update cadence (every 2 months vs every 7 months). On price, in-app purchases, device support and iOS requirement 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

Both are free to download. Physics sells 4 in-app purchases, starting at $1.99 per month and Physics Constants Library sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Physics ships an update every 2 months, Physics Constants Library every 7 months. The most recent releases landed on October 1, 2026 and September 20, 2026 respectively.

Scorecard2 real differences · 8 level
Physics versus Physics Constants Library: the parameters behind the verdict, then further details
ParameterPhysicsPhysics Constants Library
PriceFreeFree
Rating4.7 (18 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings18 — better—
Update frequencyEvery 2 months — betterEvery 7 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone
Requires iOS17.0 — better18.4
Further details — not scored
Size25 MB10 MB
Age rating4+4+
DeveloperNikita ChernykhChatStick Company Limited

In-app purchases

4 purchases

Physics

Subscriptions3
  • Professional 1 Month$1.991 Month
  • Professional 6 Month$6.996 Months
  • Professional 12 Month$14.991 Year
One-time1
  • Professional - unlimited$24.99
1 purchases

Physics Constants Library

One-time1
  • Unlock All Features$2.99

Questions

Is Physics free?
Physics is free to download, with in-app purchases available.
Is Physics Constants Library free?
Physics Constants Library is free to download, with in-app purchases available.
Do Physics or Physics Constants Library have ads?
Physics Constants Library shows ads; Physics does not.
Which is updated more often, Physics or Physics Constants Library?
Physics ships an update every 2 months, and Physics Constants Library every 7 months. Most recently, Physics was updated on October 1, 2026 and Physics Constants Library on September 20, 2026.

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