iPhysics™ Pro vs Organic Reactions
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
Read full descriptionHide 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
Organic Reactions
Access key functional group reactions and their mechanisms in organic chemistry. Quickly find links between reactants and products, including synthesis and protection reactions. Some advanced features and reaction lists require an additional purchase.
- Functional group reactions
- Reaction mechanisms
- Reactant-product links
- Synthesis reactions
- Protection reactions
Read full descriptionHide full description
This app allows people working in organic chemistry for a quick access to the main functional group reactions and their mechanisms. The application is organized to provide a direct link between a reactant and its corresponding product, as well as the synthesis and protection reactions. To enable a regular updating and to support this work, some of the functions, and a list of reactions sorted by name requires an additional purchase. If you have any problem, do not hesitate to send me an email, by explaining the nature of your problem and your phone model.
Screenshots
Verdict
The clearest difference is price: Organic Reactions at Free against iPhysics™ Pro's $2.99. Organic Reactions also leads on rating (4.7 vs 3.1) and review sentiment (68% vs 46%). iPhysics™ Pro's advantage is in-app purchases (none vs 2) and chart position (#187 vs unranked). On update cadence, 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
Organic Reactions is free to download; iPhysics™ Pro costs $2.99 up front. Organic Reactions sells 2 one-off in-app purchases. iPhysics™ Pro asks for nothing beyond the download.
Organic Reactions holds the better App Store score, 4.7 against 3.1. That said, the two scores are not equally well evidenced: Organic Reactions has 170 ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 46% of iPhysics™ Pro's written reviews are positive against 68% of Organic Reactions's.
iPhysics™ Pro ships an update every 7 months, Organic Reactions every 10 months. The most recent releases landed on November 1, 2026 and October 22, 2026 respectively.
| Parameter | iPhysics™ Pro | Organic Reactions |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 3.1 (19 ratings) | 4.7 (170 ratings) — better |
| Positive reviews | 45.9% of reviews | 68.0% of reviews — better |
| Number of ratings | 19 | 170 — better |
| Update frequency | Every 7 months — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Freemium | Free with in-app purchases |
| Best chart rank | #187 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 104 MB | 16 MB |
| Age rating | 9+ | 4+ |
| Developer | Antonio Giarrusso | Florent Breton |
Customer experience
iPhysics™ Pro
Organic Reactions
In-app purchases
iPhysics™ Pro
No in-app purchases
Organic Reactions
- One month subscription$0.99
- Full App$4.99
Questions
Is iPhysics™ Pro free?
Is Organic Reactions free?
Which has better reviews, iPhysics™ Pro or Organic Reactions?
Do iPhysics™ Pro or Organic Reactions have ads?
Which is updated more often, iPhysics™ Pro or Organic Reactions?
Other comparisons
