Physics Formulas Lite vs Organic Reactions
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Physics Formulas Lite
Quickly access and reference physics formulas for study and work. Features include calculation tools, multi-language support, a favorites folder, and formula sharing. Search and add custom formulas and tools.
- Formula reference by category
- In-app calculation tools
- Multi-language support
- Favorites folder for quick access
- Formula sharing functionality
- Searchable formula database
- Add custom formulas and tools
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From the success of Maths Formulas app, Physics Formulas has been developed and released to help users quickly refer to any Physics formulas for their study and work. This app displays most popular formulas in seven categories: - Mechanics - Electricity - Thermal physics - Periodic motion - Optics - Atomic physics - Constants This app has all functions to help users use the app conveniently - Tools: users can input data and the app will calculate some popular physics problems. - Supporting multiple languages: it's the best to read in your mother language as well as in English to expand your language skills. This app supports English, Vietnamese, Chinese (Trad/Simp), Turkish, Spanish, German, French, Portuguese, Russian, Indonesian, Persian, Italian, Hindi and Arabic. More languages to come soon. - Favorite folder: save frequently used formulas in a favorite folder to quickly access to them. - Sharing: touch and share a formula to friends via message, email or Facebook. - Searching: users can type key words in top of the screen to quickly find a formula. - Add your own formulas or notes in "Favorite" section. - Add your own customized tools in "Tools" section (unlimited number of formulas and variables for Full version). This is the essential app for everybody especially students, engineers and scientists.
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
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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 in-app purchases: Physics Formulas Lite at none against Organic Reactions's 2. Physics Formulas Lite also leads on review sentiment (81% vs 68%) and update cadence (every 4 months vs every 10 months). On price, rating, ratings volume and ads 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
Both are free to download. Organic Reactions sells 2 one-off in-app purchases. Physics Formulas Lite asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.6 for Physics Formulas Lite against 4.7 for Organic Reactions. Both are backed by a comparable volume of ratings — 60 and 170 respectively. Written reviews are what separate them: 81% of Physics Formulas Lite's written reviews are positive against 68% of Organic Reactions's.
Physics Formulas Lite ships an update every 4 months, Organic Reactions every 10 months. The most recent releases landed on October 20, 2026 and October 22, 2026 respectively.
| Parameter | Physics Formulas Lite | Organic Reactions |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (60 ratings) | 4.7 (170 ratings) — better |
| Positive reviews | 81.5% of reviews — better | 68.0% of reviews |
| Number of ratings | 60 | 170 — better |
| Update frequency | Every 4 months — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 17.6 |
| Further details — not scored | ||
| Size | 43 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | NSC CO. PTY LTD | Florent Breton |
Customer experience
Physics Formulas Lite
Organic Reactions
In-app purchases
Physics Formulas Lite
No in-app purchases
Organic Reactions
- One month subscription$0.99
- Full App$4.99
Questions
Is Physics Formulas Lite free?
Is Organic Reactions free?
Which has better reviews, Physics Formulas Lite or Organic Reactions?
Do Physics Formulas Lite or Organic Reactions have ads?
Which is updated more often, Physics Formulas Lite or Organic Reactions?
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