ReactionFlash vs Biochemistry Practice
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ReactionFlash
This app helps students and chemists review and understand named chemical reactions, their mechanisms, and examples from scientific literature. It functions like flashcards and includes a quiz mode to test knowledge.
- Learn named chemical reactions
- Understand reaction mechanisms
- View literature examples
- Quiz mode for knowledge testing
- Flashcard-style learning
- Extensive collection of reactions
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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.
Biochemistry Practice
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Biochemistry Practice is an MCQ based learning app designed to help high school and college students master biochemistry concepts in a simple, structured, and exam focused way. It covers everything from biomolecules and enzymes to metabolism and molecular biology techniques through chapter wise practice questions. This app is ideal for students preparing for school exams, college tests, and competitive exams. All questions are carefully organized for quick revision and better retention. Key Features • MCQ based biochemistry practice • Chapter wise topic coverage • Designed for school and college exams • Helpful for quick revision and self testing • Simple and distraction free interface Topics Covered Biomolecules Carbohydrates, lipids, proteins, nucleic acids, vitamins, minerals Enzymes Enzyme structure, kinetics, inhibition, classification, cofactors Carbohydrate Metabolism Glycolysis, citric acid cycle, gluconeogenesis, glycogen metabolism, pentose pathway Lipid Metabolism Beta oxidation, fatty acid synthesis, ketogenesis, cholesterol metabolism, lipoproteins Protein and Amino Acid Metabolism Protein digestion, deamination, transamination, urea cycle, essential amino acids Nucleic Acid Metabolism DNA replication, transcription, translation Bioenergetics ATP, electron transport chain, oxidative phosphorylation, metabolic regulation Molecular Biology Techniques Chromatography, electrophoresis, spectrophotometry, PCR Why Choose Biochemistry Practice • Designed specifically for biochemistry MCQs • Covers fundamentals to advanced topics • Perfect for students and exam aspirants • Builds confidence through daily practice Download Biochemistry Practice today and revise biochemistry concepts through focused MCQs. Learn faster, practice smarter, and improve your exam performance.
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Verdict
The clearest difference is in-app purchases: ReactionFlash at none against Biochemistry Practice's 1. ReactionFlash also leads on update cadence (every 4 months vs every 11 months). On price, ads, device support and iOS requirement 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. Biochemistry Practice sells 1 one-off in-app purchase. ReactionFlash asks for nothing beyond the download.
ReactionFlash ships an update every 4 months, Biochemistry Practice every 11 months. The most recent releases landed on November 13, 2026 and November 15, 2026 respectively.
| Parameter | ReactionFlash | Biochemistry Practice |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (42 ratings) — better | — |
| Positive reviews | 80.6% of reviews | — |
| Number of ratings | 42 — better | — |
| Update frequency | Every 4 months — better | Every 11 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.5 | 15.0 — better |
| Further details — not scored | ||
| Size | 40 MB | 34 MB |
| Age rating | 4+ | 17+ |
| Developer | Elsevier Limited | Manish Kumar |
In-app purchases
ReactionFlash
No in-app purchases
Biochemistry Practice
- Remove Ads Permanently$0.49
Questions
Is ReactionFlash free?
Is Biochemistry Practice free?
Do ReactionFlash or Biochemistry Practice have ads?
Which is updated more often, ReactionFlash or Biochemistry Practice?
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