# Backside Attack vs Periodic Table Chemistry 2026

The clearest difference is review sentiment: Backside Attack at 95% against Periodic Table Chemistry 2026's 41%. Backside Attack also leads on price (Free vs $9.99) and rating (4.9 vs 4.4). Periodic Table Chemistry 2026's advantage is update cadence (monthly vs every 8 months). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Backside Attack is free to download; Periodic Table Chemistry 2026 costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Backside Attack holds the better App Store score, 4.9 against 4.4. Both are backed by a comparable volume of ratings — 74 and 41 respectively. Written reviews point the same way: 95% of Backside Attack's written reviews are positive against 41% of Periodic Table Chemistry 2026's.

Backside Attack ships an update every 8 months, Periodic Table Chemistry 2026 monthly. The most recent releases landed on October 29, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Backside Attack | Periodic Table Chemistry 2026 |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[4.9 (74 ratings)](https://appshunter.io/ios/app/backside-attack/id1278956096/reviews)** | [4.4 (41 ratings)](https://appshunter.io/ios/app/periodic-table-chemistry-2026/id1471848710/reviews) |
| Number of ratings | **74** | 41 |
| Positive reviews | **95.5% of reviews** | 40.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| Monetization | **Free** | Paid |
| Size | 178 MB | 334 MB |
| Requires iOS | **9.0** | 26.0 |
| Devices | iPhone, iPad, iPod, Mac | **iPhone, iPad, Apple TV, Apple Watch, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Element26, Inc.](https://appshunter.io/developer/973213639) | [Hugo Pinon](https://appshunter.io/developer/1022305218) |

## 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

**Features:** Vision Pro support

**In-app purchases:** none


### Periodic Table Chemistry 2026

[App page](https://appshunter.io/ios/app/periodic-table-chemistry-2026/id1471848710)

Explore the periodic table with interactive 3D models and augmented reality. Visualize atomic structures and access detailed information about each element's properties. An engaging way to learn chemistry for students and enthusiasts.

**Highlights:** 3D element visualization, Augmented reality integration, Detailed element properties, Interactive manipulation of models, Atomic structure exploration

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Backside Attack free?

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

### Is Periodic Table Chemistry 2026 free?

Periodic Table Chemistry 2026 costs $9.99, with no in-app purchases.

### Which has better reviews, Backside Attack or Periodic Table Chemistry 2026?

Backside Attack is rated higher. Backside Attack averages 4.9 out of 5 from 74 ratings, while Periodic Table Chemistry 2026 averages 4.4 from 41 ratings.

### Do Backside Attack or Periodic Table Chemistry 2026 have ads?

Neither Backside Attack nor Periodic Table Chemistry 2026 shows ads.

### Which is updated more often, Backside Attack or Periodic Table Chemistry 2026?

Backside Attack ships an update every 8 months, and Periodic Table Chemistry 2026 monthly. Most recently, Backside Attack was updated on October 29, 2026 and Periodic Table Chemistry 2026 on October 22, 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.*