# Universe Gravity Simulator 3D vs Planet Explorers

Universe Gravity Simulator 3D and Planet Explorers both sit at 4.0 stars, but that hides the real split: 100% of Planet Explorers's written reviews are positive against 43% of Universe Gravity Simulator 3D's. Planet Explorers also leads on in-app purchases (none vs 1) and update cadence (every 5 days vs every 5 weeks). Universe Gravity Simulator 3D's advantage is ratings volume (136 vs 1) and iOS requirement (12.0 vs 26.0). On price, rating, ads and device support there is nothing between them.

Both are free to download. Universe Gravity Simulator 3D sells 1 one-off in-app purchase. Planet Explorers asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.0 for Universe Gravity Simulator 3D against 4.0 for Planet Explorers. That said, the two scores are not equally well evidenced: Universe Gravity Simulator 3D has 136 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 43% of Universe Gravity Simulator 3D's written reviews are positive against 100% of Planet Explorers's.

Universe Gravity Simulator 3D ships an update every 5 weeks, Planet Explorers every 5 days. The most recent releases landed on October 18, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Universe Gravity Simulator 3D | Planet Explorers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (136 ratings)](https://appshunter.io/ios/app/universe-gravity-simulator-3d/id1613476121/reviews) | [4.0 (1 ratings)](https://appshunter.io/ios/app/planet-explorers/id6747460400/reviews) |
| Number of ratings | **136** | 1 |
| Positive reviews | 42.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 235 MB | 225 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [KUNHAR GAMES LTD](https://appshunter.io/developer/1613476123) | [Quantribution LLC](https://appshunter.io/developer/1773550132) |

## What reviewers say

### 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 |


### Planet Explorers

[App page](https://appshunter.io/ios/app/planet-explorers/id6747460400)

Embark on AI-generated space expeditions to unique planets. Manage your crew, document discoveries, and explore offline. Requires Apple Intelligence on supported devices.

**Highlights:** AI-crafted planets, Offline exploration, Crew management, Discovery journaling, Mission generation

**In-app purchases:** none


## Frequently asked questions

### Is Universe Gravity Simulator 3D free?

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

### Is Planet Explorers free?

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

### Which has better reviews, Universe Gravity Simulator 3D or Planet Explorers?

Universe Gravity Simulator 3D and Planet Explorers are both rated 4.0 out of 5 on the App Store, from 136 and 1 ratings respectively.

### Do Universe Gravity Simulator 3D or Planet Explorers have ads?

Neither Universe Gravity Simulator 3D nor Planet Explorers shows ads.

### Which is updated more often, Universe Gravity Simulator 3D or Planet Explorers?

Universe Gravity Simulator 3D ships an update every 5 weeks, and Planet Explorers every 5 days. Most recently, Universe Gravity Simulator 3D was updated on October 18, 2026 and Planet Explorers on September 24, 2026.

---

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