# Backside Attack vs Organic Reactions Tutor

The clearest difference is in-app purchases: Backside Attack at none against Organic Reactions Tutor's 1. Backside Attack also leads on ratings volume (74 vs 2) and device support (4 vs 2). Organic Reactions Tutor's advantage is update cadence (fortnightly vs every 8 months). On price, rating and ads there is nothing between them.

Both are free to download. Organic Reactions Tutor sells 1 one-off in-app purchase. Backside Attack asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Backside Attack against 5.0 for Organic Reactions Tutor. That said, the two scores are not equally well evidenced: Backside Attack has 74 ratings behind it against 2, so its average is the more settled of the two.

Backside Attack ships an update every 8 months, Organic Reactions Tutor fortnightly. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Backside Attack | Organic Reactions Tutor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (74 ratings)](https://appshunter.io/ios/app/backside-attack/id1278956096/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/organic-reactions-tutor/id6739188422/reviews)** |
| Number of ratings | **74** | 2 |
| Positive reviews | 95.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 178 MB | 37 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Element26, Inc.](https://appshunter.io/developer/973213639) | [David Soulsby](https://appshunter.io/developer/1776367161) |

## What reviewers say

### Backside Attack

[App page](https://appshunter.io/ios/app/backside-attack/id1278956096)

This educational game helps students grasp fundamental organic chemistry concepts, specifically focusing on the SN2 reaction. It explores key variables like leaving group ability, nucleophilicity, steric factors, and solvent effects to build a strong foundation in chemistry.

**Highlights:** Learn SN2 reaction mechanics, Explore leaving group ability, Understand nucleophilicity, Analyze steric factors, Study solvent effects, Earn points with Check Yourself +50, Unlock Chem Yourself feature

**In-app purchases:** none


### Organic Reactions Tutor

[App page](https://appshunter.io/ios/app/organic-reactions-tutor/id6739188422)

Master organic chemistry reactions with a comprehensive library of over 1,300 step-by-step mechanisms and concise notes. Study using flashcards or multiple-choice quizzes, create custom study packs, and track your progress with trophies. Learn offline in over 17 languages.

**Highlights:** 1,300+ curated reactions, Step-by-step mechanisms, Flashcards and multiple-choice quizzes, Custom reaction creation, Study packs and progress tracking, Offline access, Multilingual support (17+ languages)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Categories | $1.99 | one-time |


## Frequently asked questions

### Is Backside Attack free?

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

### Is Organic Reactions Tutor free?

Organic Reactions Tutor is free to download, with in-app purchases available.

### Which has better reviews, Backside Attack or Organic Reactions Tutor?

Organic Reactions Tutor is rated higher. Backside Attack averages 4.9 out of 5 from 74 ratings, while Organic Reactions Tutor averages 5.0 from 2 ratings.

### Do Backside Attack or Organic Reactions Tutor have ads?

Neither Backside Attack nor Organic Reactions Tutor shows ads.

### Which is updated more often, Backside Attack or Organic Reactions Tutor?

Backside Attack ships an update every 8 months, and Organic Reactions Tutor fortnightly. Most recently, Backside Attack was updated on October 3, 2026 and Organic Reactions Tutor on October 2, 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.*