# ReactionFlash vs The Genius Alchemist

The clearest difference is update cadence: The Genius Alchemist at every 3 weeks against ReactionFlash's every 4 months. ReactionFlash's advantage is iOS requirement (14.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReactionFlash ships an update every 4 months, The Genius Alchemist every 3 weeks. The most recent releases landed on October 23, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | ReactionFlash | The Genius Alchemist |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (42 ratings)](https://appshunter.io/ios/app/reactionflash/id432080813/reviews)** | — |
| Number of ratings | **42** | — |
| Positive reviews | 80.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 37 MB | 50 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Elsevier Limited](https://appshunter.io/developer/1437273934) | [The Genius Alchemist](https://appshunter.io/developer/1764630254) |

## What reviewers say

### ReactionFlash

[App page](https://appshunter.io/ios/app/reactionflash/id432080813)

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.

**Highlights:** Learn named chemical reactions, Understand reaction mechanisms, View literature examples, Quiz mode for knowledge testing, Flashcard interface

**Features:** macOS Compatibility

**In-app purchases:** none


### The Genius Alchemist

[App page](https://appshunter.io/ios/app/the-genius-alchemist/id6529523333)

**In-app purchases:** none


## Frequently asked questions

### Is ReactionFlash free?

ReactionFlash is free to download, with no in-app purchases.

### Is The Genius Alchemist free?

The Genius Alchemist is free to download, with no in-app purchases.

### Do ReactionFlash or The Genius Alchemist have ads?

Neither ReactionFlash nor The Genius Alchemist shows ads.

### Which is updated more often, ReactionFlash or The Genius Alchemist?

ReactionFlash ships an update every 4 months, and The Genius Alchemist every 3 weeks. Most recently, ReactionFlash was updated on October 23, 2026 and The Genius Alchemist on October 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*