# Backside Attack vs Organic Chemistry Practice

The clearest difference is review sentiment: Backside Attack at 95% against Organic Chemistry Practice's 0%. Backside Attack also leads on rating (4.9 vs 3.0) and in-app purchases (none vs 1). Organic Chemistry Practice's advantage is update cadence (monthly vs every 8 months). On price, ads and device support there is nothing between them.

Both are free to download. Organic Chemistry Practice sells 1 in-app purchase, starting at $2.49 per month. Backside Attack asks for nothing beyond the download.

Backside Attack holds the better App Store score, 4.9 against 3.0. That said, the two scores are not equally well evidenced: Backside Attack has 74 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 95% of Backside Attack's written reviews are positive against 0% of Organic Chemistry Practice's.

Backside Attack ships an update every 8 months, Organic Chemistry Practice monthly. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Backside Attack | Organic Chemistry Practice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (74 ratings)](https://appshunter.io/ios/app/backside-attack/id1278956096/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/organic-chemistry-practice/id6756589424/reviews) |
| Number of ratings | **74** | 1 |
| Positive reviews | **95.5% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 178 MB | 49 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Element26, Inc.](https://appshunter.io/developer/973213639) | [Ben DeVries](https://appshunter.io/developer/1796909535) |

## 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 Chemistry Practice

[App page](https://appshunter.io/ios/app/organic-chemistry-practice/id6756589424)

Master organic chemistry with interactive exercises covering over 200 reactions. Practice completing mechanisms, drawing products, and identifying reactants. This app offers a fun and engaging way to learn complex chemical concepts.

**Highlights:** Interactive exercises, Library of over 200 reactions, Complete reaction mechanisms, Draw reaction products, Guess reactants

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Account | $2.49 | per month |


## Frequently asked questions

### Is Backside Attack free?

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

### Is Organic Chemistry Practice free?

Organic Chemistry Practice is free to download, with in-app purchases available.

### Which has better reviews, Backside Attack or Organic Chemistry Practice?

Backside Attack is rated higher. Backside Attack averages 4.9 out of 5 from 74 ratings, while Organic Chemistry Practice averages 3.0 from 1 ratings.

### Do Backside Attack or Organic Chemistry Practice have ads?

Neither Backside Attack nor Organic Chemistry Practice shows ads.

### Which is updated more often, Backside Attack or Organic Chemistry Practice?

Backside Attack ships an update every 8 months, and Organic Chemistry Practice monthly. Most recently, Backside Attack was updated on October 3, 2026 and Organic Chemistry Practice on October 2, 2026.

---

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