# Quantum vs GravyLensing

The clearest difference is in-app purchases: GravyLensing at none against Quantum's 6. GravyLensing also leads on iOS requirement (16.4 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

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

Quantum ships an update every 5 weeks, GravyLensing every 2 months. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Quantum | GravyLensing |
| --- | --- | --- |
| 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 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 32 MB | 7 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GEORGY OSTROBROD](https://appshunter.io/developer/1875865758) | [WILLIAM JOSEPH ROPER](https://appshunter.io/developer/6783065797) |

## 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 |


### GravyLensing

[App page](https://appshunter.io/ios/app/gravylensing/id6783065795)

**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 GravyLensing free?

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

### Do Quantum or GravyLensing have ads?

Neither Quantum nor GravyLensing shows ads.

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

Quantum ships an update every 5 weeks, and GravyLensing every 2 months. Most recently, Quantum was updated on October 24, 2026 and GravyLensing on October 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.*