Comparison

iPhysics™ Pro vs Photronium

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

Head to head
About

iPhysics™ Pro

This app serves as a personal physics tutor, offering clear explanations for over 70 topics to help students pass exams. The Pro version expands content to over 120 topics, includes interactive quizzes, and provides step-by-step solved examples for problem-solving.

Highlights
  • Over 70 physics topics explained
  • Clear and simple explanations
  • Effective synthesis of formulas and theorems
  • Advanced search algorithm
  • Over 120 topics in Pro version
  • Interactive multiple choice quizzes
  • Step-by-step solved examples
Features
Currently charting
Read full description

iPhysics is your personal physics tutor. It is used by millions of students every day, and it’s the only app about physics that includes everything you need to successfully pass your exams. WHAT YOU CAN DO WITH IPHYSICS: • Learn quickly from over 70 topics, thanks to the clear and simple explanation. • Easily repeat formulas, theorems, definitions and properties, thanks to the effective synthesis. • Quickly find the topics that matters to you thanks to the advanced search algorithm. • Download the app now and try the Pro version for free: you'll have all the most advanced features for a few days. WHAT YOU WILL GET WITH THE PRO VERSION: • Get more topics, more than 120, including the most advanced topics and all those that we will add in the future. • Get Interactive multiple choice Quizzes, with which you can practice and get a rating of your level of preparation. • Discover the step by step Solved Examples, to help you understand the methods to correctly solve problems. Have questions, problems, or feedback? Reach out to us at support@mobixee.com

About

Photronium

Access over 360 physics equations with clear explanations and powerful search tools. Test your knowledge with custom quizzes and learn offline anywhere, anytime. This educational reference is designed for learners of all levels.

Highlights
  • 360+ physics equations
  • Offline access
  • Intelligent Search
  • Symbol Search
  • Customizable quizzes
  • Bookmarking
Read full description

With over 360 physics equations explained in a clear, easy-to-understand way and a flexible search system, Photronium can be an immensely helpful tool for learners of any level. PHYSICS AT YOUR FINGERTIPS Look up any physics equation, with topics including: • Motion in One Dimension • Projectile Motion • Laws of Motion • Uniform Circular Motion • Work and Energy • Linear Momentum and Collisions • Rotation of Rigid Bodies • Universal Gravitation • Fluid Mechanics • Oscillatory Motion • Wave Motion • Sound Waves • Thermodynamics • Electromagnetism • Light and Optics • Relativity • Quantum Physics All available offline, so you can learn anywhere, anytime. MEMORY QUIZ Test your knowledge by taking quizzes! Bookmark any section that interests you, and Photronium will automatically create quizzes based on those bookmarks. INTELLIGENT SEARCH & SYMBOL SEARCH Just type anything. Intelligent Search can work with the most ambiguous descriptions, like “atom”, “lens”, “radiation”, “Newton”, and “phase angle”. And when you need to find a physics formula without any description, Symbol Search provides a discovery experience you’ve never seen before. FREE & NO ADS Photronium comes with over 360 physics equations, Intelligent Search, Symbol Search, Widgets, Bookmarks, Suggested Websites, and Dark Mode all available for free and ad-free. With Extras, you can purchase more features and support the app’s development. Have questions or feedback? From the app, open Extras and send a report.

Screenshots

iPhysics™ Pro4 screens
Photronium4 screens

Verdict

The call

The clearest difference is review sentiment: Photronium at 100% against iPhysics™ Pro's 46%. Photronium also leads on price (Free vs $2.99) and rating (5.0 vs 3.1). iPhysics™ Pro's advantage is in-app purchases (none vs 1) and chart position (#179 vs unranked). On ratings volume, ads, monetization model 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

Photronium is free to download; iPhysics™ Pro costs $2.99 up front. Photronium sells 1 one-off in-app purchase. iPhysics™ Pro asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Photronium holds the better App Store score, 5.0 against 3.1. Both are backed by a comparable volume of ratings — 19 and 8 respectively. Written reviews point the same way: 46% of iPhysics™ Pro's written reviews are positive against 100% of Photronium's.

UpkeepUpdate frequency

iPhysics™ Pro ships an update every 7 months, Photronium monthly. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.

Scorecard7 real differences · 4 level
iPhysics™ Pro versus Photronium: the parameters behind the verdict, then further details
ParameteriPhysics™ ProPhotronium
Price$2.99Free — better
Rating3.1 (19 ratings)5.0 (8 ratings) — better
Positive reviews45.9% of reviews100.0% of reviews — better
Number of ratings19 — better8
Update frequencyEvery 7 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreemiumFree with in-app purchases
Best chart rank#179 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS9.0 — better16.4
Further details — not scored
Size104 MB59 MB
Age rating9+4+
DeveloperAntonio GiarrussoHao Nguyen

Customer experience

iPhysics™ Pro

All ratings19 ratings
Positive47.4%
Neutral5.3%
Negative47.4%
Written reviews61 reviews
Positive45.9%
Neutral18.0%
Negative36.1%

Photronium

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

iPhysics™ Pro

No in-app purchases

1 purchases

Photronium

One-time1
  • Multicolored Bookmarks$0.99

Questions

Is iPhysics™ Pro free?
iPhysics™ Pro costs $2.99, with no in-app purchases.
Is Photronium free?
Photronium is free to download, with in-app purchases available.
Which has better reviews, iPhysics™ Pro or Photronium?
Photronium is rated higher. iPhysics™ Pro averages 3.1 out of 5 from 19 ratings, while Photronium averages 5.0 from 8 ratings.
Do iPhysics™ Pro or Photronium have ads?
Neither iPhysics™ Pro nor Photronium shows ads.
Which is updated more often, iPhysics™ Pro or Photronium?
iPhysics™ Pro ships an update every 7 months, and Photronium monthly. Most recently, iPhysics™ Pro was updated on October 16, 2026 and Photronium on October 6, 2026.

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