# Gravity Zen vs Matthew Burton Simulator

The clearest difference is price: Matthew Burton Simulator at Free against Gravity Zen's $0.99. Matthew Burton Simulator also leads on in-app purchases (none vs 2) and rating (5.0 vs 4.8). Gravity Zen's advantage is ratings volume (70 vs 2). On review sentiment, ads and device support there is nothing between them.

Matthew Burton Simulator is free to download; Gravity Zen costs $0.99 up front. Gravity Zen sells 2 one-off in-app purchases. Matthew Burton Simulator asks for nothing beyond the download.

Matthew Burton Simulator holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Gravity Zen has 70 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 93% of Gravity Zen's written reviews are positive against 100% of Matthew Burton Simulator's.

Gravity Zen ships an update every 9 days, Matthew Burton Simulator every 4 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Gravity Zen | Matthew Burton Simulator |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.8 (70 ratings)](https://appshunter.io/ios/app/gravity-zen/id1602081846/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/matthew-burton-simulator/id6444322101/reviews)** |
| Number of ratings | **70** | 2 |
| Positive reviews | 93.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 4 days** |
| Monetization | Paid | **Free** |
| Size | 13 MB | 214 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dominik Hauser](https://appshunter.io/developer/325836858) | [Matthew Burton](https://appshunter.io/developer/953832108) |

## What reviewers say

### Gravity Zen

[App page](https://appshunter.io/ios/app/gravity-zen/id1602081846)

Observe small circles interacting with a central gravity field. Add numerous boxes to explore how they naturally settle into a stable arrangement. It's a simple yet captivating simulation.

**Highlights:** Gravity field simulation, Add multiple objects, Observe stable configurations, Interactive physics, Minimalist design

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Large tip | $2.99 | one-time |


### Matthew Burton Simulator

[App page](https://appshunter.io/ios/app/matthew-burton-simulator/id6444322101)

Experience augmented reality with a virtual character. This application allows you to bring a specific personality into your real-world environment through your device's camera. Enjoy a unique interactive experience wherever you go.

**Highlights:** Augmented Reality experience, Virtual character interaction, Bring character anywhere, Interactive entertainment

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gravity Zen free?

Gravity Zen costs $0.99, and also offers in-app purchases.

### Is Matthew Burton Simulator free?

Matthew Burton Simulator is free to download, with no in-app purchases.

### Which has better reviews, Gravity Zen or Matthew Burton Simulator?

Matthew Burton Simulator is rated higher. Gravity Zen averages 4.8 out of 5 from 70 ratings, while Matthew Burton Simulator averages 5.0 from 2 ratings.

### Do Gravity Zen or Matthew Burton Simulator have ads?

Neither Gravity Zen nor Matthew Burton Simulator shows ads.

### Which is updated more often, Gravity Zen or Matthew Burton Simulator?

Gravity Zen ships an update every 9 days, and Matthew Burton Simulator every 4 days. Most recently, Gravity Zen was updated on October 24, 2026 and Matthew Burton Simulator on October 24, 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.*