# Backside Attack vs Learn Organic Nomenclature

The clearest difference is rating: Backside Attack at 4.9 against Learn Organic Nomenclature's 4.3. Backside Attack also leads on in-app purchases (none vs 3) and review sentiment (95% vs 81%). Learn Organic Nomenclature's advantage is update cadence (fortnightly vs every 8 months). On price, ads and device support there is nothing between them.

Both are free to download. Learn Organic Nomenclature sells 3 one-off in-app purchases. Backside Attack asks for nothing beyond the download.

Backside Attack holds the better App Store score, 4.9 against 4.3. That said, the two scores are not equally well evidenced: Backside Attack has 74 ratings behind it against 7, 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 81% of Learn Organic Nomenclature's.

Backside Attack ships an update every 8 months, Learn Organic Nomenclature fortnightly. The most recent releases landed on July 4, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Backside Attack | Learn Organic Nomenclature |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (74 ratings)](https://appshunter.io/ios/app/backside-attack/id1278956096/reviews)** | [4.3 (7 ratings)](https://appshunter.io/ios/app/learn-organic-nomenclature/id1570934959/reviews) |
| Number of ratings | **74** | 7 |
| Positive reviews | **95.5% of reviews** | 81.0% 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 | 50 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Element26, Inc.](https://appshunter.io/developer/973213639) | [Paul Schwind](https://appshunter.io/developer/1361360491) |

## 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


### Learn Organic Nomenclature

[App page](https://appshunter.io/ios/app/learn-organic-nomenclature/id1570934959)

Learn the nomenclature of organic molecules through interactive levels and creative building. This app offers tutorials and challenges to help you master naming and drawing organic compounds.

**Highlights:** Interactive naming and drawing exercises, Over 70 levels for various organic compounds, Creative mode to build and name molecules, Colorful markings for molecule parts, Option to hide names for self-challenge

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $3.99 | one-time |
| Premium Class of Size 20 | $24.99 | one-time |
| Premium Class of Size 40 | $39.99 | one-time |


## Frequently asked questions

### Is Backside Attack free?

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

### Is Learn Organic Nomenclature free?

Learn Organic Nomenclature is free to download, with in-app purchases available.

### Which has better reviews, Backside Attack or Learn Organic Nomenclature?

Backside Attack is rated higher. Backside Attack averages 4.9 out of 5 from 74 ratings, while Learn Organic Nomenclature averages 4.3 from 7 ratings.

### Do Backside Attack or Learn Organic Nomenclature have ads?

Neither Backside Attack nor Learn Organic Nomenclature shows ads.

### Which is updated more often, Backside Attack or Learn Organic Nomenclature?

Backside Attack ships an update every 8 months, and Learn Organic Nomenclature fortnightly. Most recently, Backside Attack was updated on July 4, 2026 and Learn Organic Nomenclature on September 14, 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.*