# SimplePhysics vs Earth Sandbox

The clearest difference is price: Earth Sandbox at Free against SimplePhysics's $0.99. Earth Sandbox also leads on in-app purchases (none vs 2) and update cadence (weekly vs every 3 weeks). SimplePhysics's advantage is rating (4.5 vs 4.0) and ads (none vs shown). On device support there is nothing between them.

Earth Sandbox is free to download; SimplePhysics costs $0.99 up front. SimplePhysics sells 2 one-off in-app purchases. Earth Sandbox asks for nothing beyond the download.

SimplePhysics holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: SimplePhysics has 242 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 85% of SimplePhysics's written reviews are positive against 50% of Earth Sandbox's.

SimplePhysics ships an update every 3 weeks, Earth Sandbox weekly. The most recent releases landed on October 13, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | SimplePhysics | Earth Sandbox |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.5 (242 ratings)](https://appshunter.io/ios/app/simplephysics/id408233979/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/earth-sandbox/id6756494237/reviews) |
| Number of ratings | **242** | 2 |
| Positive reviews | **85.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 9 MB | 367 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Jundroo, LLC](https://appshunter.io/developer/311852133) | [Heechang Kim](https://appshunter.io/developer/485685857) |

## What reviewers say

### SimplePhysics

[App page](https://appshunter.io/ios/app/simplephysics/id408233979)

Design and simulate complex structures using a realistic physics engine. Test your creations by applying stress, using a finger to push and pull, or even creating explosions. Analyze strain distribution to identify weak points and refine your designs for strength and cost-effectiveness.

**Highlights:** Realistic physics simulation, Blueprint editor, Stress display, Finger Test with explosions, Ragdoll physics, Slow motion mode

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| View Solution | $0.99 | one-time |
| Thank the Developer | $0.99 | one-time |

**What reviewers like**

- 👍 Challenging and fun
- 💡 Engaging and educational
- 👍 Great for all ages
- 👍 Realistic physics simulation
- 👍 Addictive gameplay

**What reviewers complain about**

- 🐛 Inconsistent physics behavior
- 🐛 Difficulty placing/removing beams
- 🐛 Crashes and compatibility issues
- 🔍 Limited number of levels

**Reported bugs**

- Crashes on startup
- Structures behaving unexpectedly
- Leaderboard scores not accurate

**Requested features**

- More levels and level packs
- Improved user interface
- Ability to create custom structures
- Leaderboards and social features
- Tutorials and explanations of physics concepts


### Earth Sandbox

[App page](https://appshunter.io/ios/app/earth-sandbox/id6756494237)

Explore the dynamic evolution of a planet by altering its core systems like climate and gravity. Trigger natural events and observe real-time population and ecosystem trends. This experimental simulation game offers unique outcomes with every interaction.

**Highlights:** Earth-focused environmental simulation, Interconnected climate and planetary systems, Dynamic natural events, Real-time population and ecosystem trends, Interactive experimentation tools, Clean visuals and intuitive controls

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SimplePhysics free?

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

### Is Earth Sandbox free?

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

### Which has better reviews, SimplePhysics or Earth Sandbox?

SimplePhysics is rated higher. SimplePhysics averages 4.5 out of 5 from 242 ratings, while Earth Sandbox averages 4.0 from 2 ratings.

### Do SimplePhysics or Earth Sandbox have ads?

Earth Sandbox shows ads; SimplePhysics does not.

### Which is updated more often, SimplePhysics or Earth Sandbox?

SimplePhysics ships an update every 3 weeks, and Earth Sandbox weekly. Most recently, SimplePhysics was updated on October 13, 2026 and Earth Sandbox on October 5, 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.*