# Universe Gravity Simulator 3D vs Spill

The clearest difference is rating: Spill at 5.0 against Universe Gravity Simulator 3D's 4.0. Spill also leads on in-app purchases (none vs 1) and update cadence (every 2 days vs every 5 weeks). Universe Gravity Simulator 3D's advantage is ads (none vs shown) and ratings volume (143 vs 1). On price and device support there is nothing between them.

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

Spill holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Universe Gravity Simulator 3D has 143 ratings behind it against 1, so its average is the more settled of the two.

Universe Gravity Simulator 3D ships an update every 5 weeks, Spill every 2 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Universe Gravity Simulator 3D | Spill |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (143 ratings)](https://appshunter.io/ios/app/universe-gravity-simulator-3d/id1613476121/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/spill-will-it-overflow/id6755663950/reviews)** |
| Number of ratings | **143** | 1 |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 235 MB | 51 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [KUNHAR GAMES LTD](https://appshunter.io/developer/1613476123) | [Eesh Majithia](https://appshunter.io/developer/1853106366) |

## 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 |


### Spill

[App page](https://appshunter.io/ios/app/spill-will-it-overflow/id6755663950)

Experience a retro desktop game where precise timing is key to preventing a spill. Navigate a nostalgic virtual operating system with one-tap controls and fluid physics. Challenge yourself to survive as long as possible and climb the global leaderboard.

**Highlights:** One-tap control, Realistic fluid physics, Nostalgic fake OS interface, Instant restart loop, Global leaderboard, Offline play

**Features:** macOS Compatibility

**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 Spill free?

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

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

Spill is rated higher. Universe Gravity Simulator 3D averages 4.0 out of 5 from 143 ratings, while Spill averages 5.0 from 1 ratings.

### Do Universe Gravity Simulator 3D or Spill have ads?

Spill shows ads; Universe Gravity Simulator 3D does not.

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

Universe Gravity Simulator 3D ships an update every 5 weeks, and Spill every 2 days. Most recently, Universe Gravity Simulator 3D was updated on November 3, 2026 and Spill on October 30, 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.*