# G^N vs Atom Structure

The clearest difference is in-app purchases: Atom Structure at none against G^N's 1. Atom Structure also leads on price ($1.99 vs $2.99). G^N's advantage is update cadence (every 2 weeks vs every 41 months) and iOS requirement (9.0 vs 12.0). On ads and device support there is nothing between them.

G^N costs $2.99 and Atom Structure $1.99 up front. G^N sells 1 one-off in-app purchase. Atom Structure asks for nothing beyond the download.

G^N ships an update every 2 weeks, Atom Structure every 41 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | G^N | Atom Structure |
| --- | --- | --- |
| Price | $2.99 | **$1.99** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 41 months |
| Size | 4 MB | 232 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Johannes Loeffler](https://appshunter.io/developer/967323440) | [VIRTUAL FILAMENTS PRIVATE LIMITED](https://appshunter.io/developer/1474217212) |

## What reviewers say

### G^N

[App page](https://appshunter.io/ios/app/gn/id1049422307)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Levels | $9.99 | one-time |


### Atom Structure

[App page](https://appshunter.io/ios/app/atom-structure-edutech-era/id1637054844)

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

**In-app purchases:** none


## Frequently asked questions

### Is G^N free?

G^N costs $2.99, and also offers in-app purchases.

### Is Atom Structure free?

Atom Structure costs $1.99, with no in-app purchases.

### Do G^N or Atom Structure have ads?

Neither G^N nor Atom Structure shows ads.

### Which is updated more often, G^N or Atom Structure?

G^N ships an update every 2 weeks, and Atom Structure every 41 months. Most recently, G^N was updated on October 24, 2026 and Atom Structure on October 27, 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.*