# Quantum vs G

The clearest difference is in-app purchases: G at none against Quantum's 6. G also leads on update cadence (every 8 days vs every 5 weeks) and iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Quantum sells 3 one-off in-app purchases. G asks for nothing beyond the download.

Quantum ships an update every 5 weeks, G every 8 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Quantum | G |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (150 ratings)](https://appshunter.io/ios/app/quantum-particle-life/id6504465371/reviews)** | — |
| Number of ratings | **150** | — |
| Positive reviews | 81.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 32 MB | 2 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [GEORGY OSTROBROD](https://appshunter.io/developer/1875865758) | [Noam Durgnat (CH)](https://appshunter.io/developer/1879585401) |

## What reviewers say

### Quantum

[App page](https://appshunter.io/ios/app/quantum-particle-life/id6504465371)

Explore the hidden world of particles with a real-time simulator. Model up to 10,000 particles and experiment with natural phenomena like crystallization and orbital mechanics. Customize interactions and visualize results dynamically.

**Highlights:** Real-time particle simulation, Model up to 10,000 particles, Simulate natural phenomena, Four distinct particle classes, Customizable rules editor, Dynamic visualizations, Interactive control

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Developer tip | $1.99 | one-time |
| Developer tip | $3.99 | one-time |
| Developer tip | $5.99 | one-time |


### G

[App page](https://appshunter.io/ios/app/g-codes-cards/id6785065568)

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

**In-app purchases:** none


## Frequently asked questions

### Is Quantum free?

Quantum is free to download, with in-app purchases available.

### Is G free?

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

### Do Quantum or G have ads?

Neither Quantum nor G shows ads.

### Which is updated more often, Quantum or G?

Quantum ships an update every 5 weeks, and G every 8 days. Most recently, Quantum was updated on October 24, 2026 and G on October 24, 2026.

---

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