Comparison

Organic Reactions vs Lumos

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

Head to head
About

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.

Highlights
  • Functional group reactions
  • Reaction mechanisms
  • Reactant-product links
  • Synthesis reactions
  • Protection reactions
Features
Read 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.

About

Lumos

Features
Read full description

Welcome to Lumos—your interactive, hands-on physics laboratory for exploring the fascinating behavior of light. Designed for students and curious minds, Lumos brings complex optical phenomena to life through stunning real-time 3D simulations. Whether you're studying for an exam or just curious about how light behaves, Lumos makes learning physics intuitive, visual, and engaging. KEY FEATURES: • INTERACTIVE OPTICS LAB Experiment with Reflection, Refraction, and Diffraction in real-time. Direct light rays, adjust incident angles, and change wavelengths to see immediate physics in action. • CUSTOM MEDIUMS & SPECTRUMS Change properties like refractive index and surface roughness. See how light behaves as it travels between Air, Water, and Glass. • MASTER PHYSICS WITH QUIZZES Test your understanding with built-in interactive quizzes. Each topic comes with custom diagrams, instant grading, and detailed explanations to help you master concepts. Unravel the mysteries of light and master physics with Lumos today!

Screenshots

Organic Reactions4 screens
Lumos4 screens

Verdict

The call

The clearest difference is in-app purchases: Lumos at none against Organic Reactions's 2. Organic Reactions's advantage is iOS requirement (17.6 vs 26.2). On price, ads 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

Both are free to download. Organic Reactions sells 2 one-off in-app purchases. Lumos asks for nothing beyond the download.

Scorecard2 real differences · 8 level
Organic Reactions versus Lumos: the parameters behind the verdict, then further details
ParameterOrganic ReactionsLumos
PriceFreeFree
Rating4.7 (162 ratings) — better
Positive reviews68.0% of reviews
Number of ratings162 — better
Update frequencyEvery 10 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases
DevicesiPhone, iPad — betteriPhone
Requires iOS17.6 — better26.2
Further details — not scored
Size16 MB3 MB
Age rating4+4+
DeveloperFlorent BretonGALGOTIAS UNIVERSITY,SCHOOL OF BUSINESS

In-app purchases

2 purchases

Organic Reactions

One-time2
  • One month subscription$0.99
  • Full App$4.99
None

Lumos

No in-app purchases

Questions

Is Organic Reactions free?
Organic Reactions is free to download, with in-app purchases available.
Is Lumos free?
Lumos is free to download, with no in-app purchases.
Do Organic Reactions or Lumos have ads?
Neither Organic Reactions nor Lumos shows ads.

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