Physics Formulas - PhysRef
Equations, Constants & Solver
Free · In-App Purchases · Designed for iPad. Not verified for macOS.
PhysRef is the complete physics formula reference built for students, engineers, and science lovers. Access hundreds of formulas, physical constants, and built-in calculators - all without an internet connection.
COMPREHENSIVE FORMULA DATABASE
Browse formulas grouped by topic: Mechanics, Thermodynamics, Waves, Electricity and Magnetism, Optics, and Modern Physics. Each formula includes variable definitions, units, and key related ideas.
BUILT-IN CALCULATORS
Stop manual maths. Enter your known values and instantly calculate the unknown variable. Each calculator checks your inputs and shows results with the correct units.
PHYSICAL CONSTANTS TABLE
Quick access to essential constants including the speed of light, gravitational constant, Planck's constant, electron mass, Boltzmann constant, and dozens more. All values use standard reference data.
UNIT CONVERTER
Convert between units across 14 categories: length, mass, time, velocity, acceleration, force, energy, power, pressure, temperature, electric charge, electric current, angle, and frequency.
PERSONAL NOTES
Add your own notes to any formula. Ideal for revision, recording problem-solving steps, or saving formulas you find tricky.
FORMULA DERIVATIONS
See where formulas come from. Follow step-by-step derivations that link core principles to the equations you use.
WORKS COMPLETELY OFFLINE
All content is built into the app. Study on planes, in basements, or anywhere with no signal. No account required. No internet needed.
MADE FOR STUDENTS
Covers AP Physics 1, AP Physics 2, AP Physics C, IB Physics, and introductory university physics. Whether you are preparing for an exam or doing homework, PhysRef has you covered.
PRIVACY FIRST
Your data stays on your device. We do not collect personal information. No tracking. No analytics. No ads.
FEATURES SUMMARY
- Formula browser by physics topic
- Search by formula name, variable, or concept
- Calculators to solve problems
- Physical constants with precise values
- Unit converter with 14 categories
- Personal notes on any formula
- Formula derivations and explanations
- Related formulas and connections
- Bookmarks for quick access
- Search history
- Dark and light themes
- 100% offline support
Built for physics students who want a dependable, ad-free reference that works anywhere.
Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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General app improvements, with localisation added for 20+ languages
The developer, Mobin Akhter, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
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Information
- Provider
- Mobin Akhter
- Size
- 39.9 MB
- Category
- Education
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPad
Requires iPadOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 30 more
- English, Arabic, Croatian, Czech, Danish, Dutch, Finnish, French, German, Greek, Hebrew, Hungarian, Indonesian, Italian, Japanese, Korean, Latvian, Norwegian Bokmål, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Slovak, Slovenian, Spanish, Swedish, Thai, Turkish, Ukrainian, Vietnamese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Weekly Access ₺149,99
- Lifetime Access ₺399,99
- Copyright
- © 2026 Mobin Akhter. All rights reserved.