ReactionFlash vs Drug Hunter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ReactionFlash
This app serves as a comprehensive flashcard-style learning tool for named chemical reactions. It provides detailed information on reaction mechanisms and examples from scientific literature, with a quiz mode to test user knowledge.
- Learn named chemical reactions
- Understand reaction mechanisms
- View literature examples
- Quiz mode for knowledge testing
- Flashcard interface
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Want to refresh your memory on named chemical reactions before an exam or a group meeting? Get all the details with ReactionFlash(R) as a great way to learn named reactions, understand their mechanisms and view examples published in peer-reviewed literature. Designed and developed in consultation with Professor Dr. Erick M. Carreira of ETH Zürich, the app covers 1'266 named chemical reactions, by far the largest collection of Named Reactions. Professor Carreira has helped ensure that we have all the fundamental reactions that should be part of every chemist’s toolkit: from the best-known ones to the ones only Nobel Prize winners remember! The app is designed like a set of flash cards so it can be used as a learning tool as well as a reference. Each ‘card’ shows the reaction, its mechanism and examples from peer-reviewed, published literature. It also has a quiz mode that lets you test your knowledge. Linking into Reaxys enables you to find the most recent examples of each reaction, many with experimental details. Reaxys delivers experimental facts from the literature, enabling researchers to find the best synthetic routes and conditions. Find out more at https://www.elsevier.com/solutions/reaxys Download the app now and see if you know all the named reactions! Summary: - Learn named reactions - Review and understand mechanisms - Explore examples published in peer-reviewed literature - Take the ReactionFlash quiz and see how much you know If you need support, please contact us at reactionflash@elsevier.com. Reaxys and ReactionFlash are trade marks of Elsevier Limited, used under license.
Drug Hunter
This app provides curated scientific insights, molecule analyses, and case studies for professionals in drug discovery. It organizes and makes searchable key discoveries in medicinal chemistry, biology, and pharmaceutical R&D, saving users time spent on traditional research methods.
- Curated scientific insights
- Molecule analyses
- Case studies
- Organized and searchable discoveries
- Structure-based search tools
- Industry scientist distilled content
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Access to this application is limited to Drug Hunter members who are actively authorized through a licensed partner organization. Drug Hunter puts the cutting edge of drug discovery at your fingertips. Built as the mobile companion to DrugHunter.com, the app provides instant access to curated scientific insights, molecule analyses, and case studies — all distilled by industry scientists for industry scientists. Instead of spending hours scanning journals, patents, and conference abstracts, Drug Hunter surfaces the most important discoveries across medicinal chemistry, biology, and pharmaceutical R&D and provides it organized and searchable in one place. Whether you’re a medicinal chemist, biologist, pharmacologist, or business development professional, the Drug Hunter app delivers the same trusted intelligence and structure-based search tools as the web platform.
Screenshots
Verdict
The clearest difference is ratings volume: ReactionFlash at 42 against Drug Hunter's 1. Drug Hunter's advantage is update cadence (every 5 weeks vs every 4 months) and rating (5.0 vs 4.8). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
Drug Hunter holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: ReactionFlash has 42 ratings behind it against 1, so its average is the more settled of the two.
ReactionFlash ships an update every 4 months, Drug Hunter every 5 weeks. The most recent releases landed on October 23, 2026 and October 11, 2026 respectively.
| Parameter | ReactionFlash | Drug Hunter |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (42 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 80.6% of reviews | — |
| Number of ratings | 42 — better | 1 |
| Update frequency | Every 4 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 14.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 37 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Elsevier Limited | Drug Hunter Inc. |
Customer experience
ReactionFlash
Drug Hunter
In-app purchases
ReactionFlash
No in-app purchases
Drug Hunter
No in-app purchases
Questions
Is ReactionFlash free?
Is Drug Hunter free?
Which has better reviews, ReactionFlash or Drug Hunter?
Do ReactionFlash or Drug Hunter have ads?
Which is updated more often, ReactionFlash or Drug Hunter?
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