# ReactionFlash vs Visualizing Organic Chemistry

The clearest difference is review sentiment: ReactionFlash at 81% against Visualizing Organic Chemistry's 0%. ReactionFlash also leads on price (Free vs $7.99) and rating (4.8 vs 1.0). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

ReactionFlash is free to download; Visualizing Organic Chemistry costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReactionFlash holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: ReactionFlash has 41 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 81% of ReactionFlash's written reviews are positive against 0% of Visualizing Organic Chemistry's.

ReactionFlash ships an update every 4 months, Visualizing Organic Chemistry every 8 months. Both last shipped on September 21, 2026.

## The numbers

| Metric | ReactionFlash | Visualizing Organic Chemistry |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| Rating | **[4.8 (41 ratings)](https://appshunter.io/ios/app/reactionflash/id432080813/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/visualizing-organic-chemistry/id1447145801/reviews) |
| Number of ratings | **41** | 1 |
| Positive reviews | **80.6% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 8 months |
| Monetization | **Free** | Paid |
| Size | 37 MB | 31 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Elsevier Limited](https://appshunter.io/developer/1437273934) | [Aaron M. Hartel](https://appshunter.io/developer/408475765) |

## 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


### Visualizing Organic Chemistry

[App page](https://appshunter.io/ios/app/visualizing-organic-chemistry/id1447145801)

This app offers interactive 3D models and animations to help students and instructors visualize complex organic chemistry concepts. Explore orbitals, bonding, physical properties, stereochemistry, and reactions through dynamic visuals.

**Highlights:** Interactive 3D atomic and molecular orbital models, 3D electrostatic potential maps, Animated Newman projections and conformational changes, 3D models for stereochemistry visualization, Interactive spectroscopy models (IR, NMR), Animated reaction pathways with energy changes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ReactionFlash free?

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

### Is Visualizing Organic Chemistry free?

Visualizing Organic Chemistry costs $7.99, with no in-app purchases.

### Which has better reviews, ReactionFlash or Visualizing Organic Chemistry?

ReactionFlash is rated higher. ReactionFlash averages 4.8 out of 5 from 41 ratings, while Visualizing Organic Chemistry averages 1.0 from 1 ratings.

### Do ReactionFlash or Visualizing Organic Chemistry have ads?

Neither ReactionFlash nor Visualizing Organic Chemistry shows ads.

### Which is updated more often, ReactionFlash or Visualizing Organic Chemistry?

ReactionFlash ships an update every 4 months, and Visualizing Organic Chemistry every 8 months. Most recently, ReactionFlash was updated on September 21, 2026 and Visualizing Organic Chemistry on September 21, 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.*