# Chaos Theory Exploding Pro vs Universe Gravity Simulator 3D

The clearest difference is price: Universe Gravity Simulator 3D at Free against Chaos Theory Exploding Pro's $0.29. Universe Gravity Simulator 3D also leads on update cadence (every 5 weeks vs every 38 months). Chaos Theory Exploding Pro's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

Universe Gravity Simulator 3D is free to download; Chaos Theory Exploding Pro costs $0.29 up front. Universe Gravity Simulator 3D sells 1 one-off in-app purchase. Chaos Theory Exploding Pro asks for nothing beyond the download.

Chaos Theory Exploding Pro ships an update every 38 months, Universe Gravity Simulator 3D every 5 weeks. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Chaos Theory Exploding Pro | Universe Gravity Simulator 3D |
| --- | --- | --- |
| Price | $0.29 | **Free** |
| Rating | — | **[4.0 (136 ratings)](https://appshunter.io/ios/app/universe-gravity-simulator-3d/id1613476121/reviews)** |
| Number of ratings | — | **136** |
| Positive reviews | — | 42.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 5 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 235 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ranz Ursal](https://appshunter.io/developer/1116871834) | [KUNHAR GAMES LTD](https://appshunter.io/developer/1613476123) |

## What reviewers say

### Chaos Theory Exploding Pro

[App page](https://appshunter.io/ios/app/chaos-theory-exploding-pro/id1176267353)

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

**In-app purchases:** none


### Universe Gravity Simulator 3D

[App page](https://appshunter.io/ios/app/universe-gravity-simulator-3d/id1613476121)

Explore and shape the cosmos in this 3D space simulator. Create galaxies, destroy planets, and engage in epic space battles. Experience realistic physics and stunning visuals as you journey through star realms.

**Highlights:** Realistic physics engine, Dynamic universe creation, Immersive 3D environments, Gravity simulation, Solar system exploration, Interplanetary collisions, Space combat missions

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Chaos Theory Exploding Pro free?

Chaos Theory Exploding Pro costs $0.29, with no in-app purchases.

### Is Universe Gravity Simulator 3D free?

Universe Gravity Simulator 3D is free to download, with in-app purchases available.

### Do Chaos Theory Exploding Pro or Universe Gravity Simulator 3D have ads?

Neither Chaos Theory Exploding Pro nor Universe Gravity Simulator 3D shows ads.

### Which is updated more often, Chaos Theory Exploding Pro or Universe Gravity Simulator 3D?

Chaos Theory Exploding Pro ships an update every 38 months, and Universe Gravity Simulator 3D every 5 weeks. Most recently, Chaos Theory Exploding Pro was updated on October 8, 2026 and Universe Gravity Simulator 3D on October 14, 2026.

---

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