Organic Reactions vs Combus Edu
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Combus Edu
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Combus Edu is your smart learning companion — making education organised, effective, and packed with the right resources to help you succeed.
Screenshots
Verdict
The clearest difference is in-app purchases: Combus Edu at none against Organic Reactions's 2. Combus Edu also leads on update cadence (every 4 months vs every 10 months) and iOS requirement (13.0 vs 17.6). 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
Both are free to download. Organic Reactions sells 2 one-off in-app purchases. Combus Edu asks for nothing beyond the download.
Organic Reactions ships an update every 10 months, Combus Edu every 4 months. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.
| Parameter | Organic Reactions | Combus Edu |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (170 ratings) — better | — |
| Positive reviews | 68.0% of reviews | — |
| Number of ratings | 170 — better | — |
| Update frequency | Every 10 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 16 MB | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | Florent Breton | Shua Al-Madina Group |
In-app purchases
Organic Reactions
- One month subscription$0.99
- Full App$4.99
Combus Edu
No in-app purchases
Questions
Is Organic Reactions free?
Is Combus Edu free?
Do Organic Reactions or Combus Edu have ads?
Which is updated more often, Organic Reactions or Combus Edu?
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