# Sandbox 3D vs Genius Mechanic

The clearest difference is ads: Sandbox 3D at none against Genius Mechanic's shown. Sandbox 3D also leads on update cadence (every 6 days vs every 6 months) and rating (4.1 vs 3.6). On price, review sentiment, in-app purchases and monetization model there is nothing between them.

Both are free to download. Sandbox 3D sells 5 one-off in-app purchases and Genius Mechanic sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Sandbox 3D holds the better App Store score, 4.1 against 3.6. That said, the two scores are not equally well evidenced: Sandbox 3D has 853 ratings behind it against 151, so its average is the more settled of the two. Written reviews point the same way: 71% of Sandbox 3D's written reviews are positive against 64% of Genius Mechanic's.

Sandbox 3D ships an update every 6 days, Genius Mechanic every 6 months. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Sandbox 3D | Genius Mechanic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (853 ratings)](https://appshunter.io/ios/app/sandbox-3d/id1446635457/reviews)** | [3.6 (151 ratings)](https://appshunter.io/ios/app/genius-mechanic/id1497678980/reviews) |
| Number of ratings | **853** | 151 |
| Positive reviews | **70.5% of reviews** | 64.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Every 6 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 305 MB | 166 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Wladyslaw Jewloszewicz](https://appshunter.io/developer/1166916654) | [Darya Vladislavovna](https://appshunter.io/developer/1067566962) |

## What reviewers say

### Sandbox 3D

[App page](https://appshunter.io/ios/app/sandbox-3d/id1446635457)

Explore an open-world physics sandbox with friends. Manipulate objects, experiment with physics, and build creations in diverse locations. Enjoy multiplayer freedom with customizable server rules for object creation and deletion.

**Highlights:** Multiplayer gameplay, Open-world exploration, Physics experimentation, Building system, Multiple locations, Inventory with numerous items, Vehicles (land and air)

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Initial Pack - 3 gems | $2.99 | one-time |
| Medium Pack - 7 gems | $5.99 | one-time |
| Large Pack - 18 gems | $11.99 | one-time |
| Ultra Pack - 40 gems | $23.99 | one-time |
| Hyper Pack - 100 gems | $47.99 | one-time |

**What reviewers like**

- 👍 Fun and creative sandbox game
- 🚀 Great for building and customizing
- 💡 Potential for more content and features

**What reviewers complain about**

- 🐛 Glitches and bugs, including getting stuck in vehicles
- 🔒 Lack of moderation and security, allowing hackers to take over servers
- 🤬 Inappropriate content and toxic players
- 🔋 Performance issues and crashes

**Reported bugs**

- Getting stuck in vehicles
- Servers being taken over by hackers
- Crashes and performance issues
- Inability to exit the game from within a server

**Requested features**

- More guns, weapons, and vehicles
- Ability to sit in chairs and interact with furniture
- Larger build limits and more building materials
- Improved server management and anti-cheat features
- Ability to create and join friend groups/clans


### Genius Mechanic

[App page](https://appshunter.io/ios/app/genius-mechanic/id1497678980)

Create anything you can imagine in this mobile sandbox. Build complex vehicles like monorails or tracked all-terrain vehicles without limitations. This developing project welcomes user suggestions.

**Highlights:** Build anything, No restrictions, Monorail construction, Tracked vehicle creation, Open to suggestions

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pay $1 | $0.99 | one-time |
| Pay $3 | $2.99 | one-time |
| Pay $10 | $9.99 | one-time |


## Frequently asked questions

### Is Sandbox 3D free?

Sandbox 3D is free to download, with in-app purchases available.

### Is Genius Mechanic free?

Genius Mechanic is free to download, with in-app purchases available.

### Which has better reviews, Sandbox 3D or Genius Mechanic?

Sandbox 3D is rated higher. Sandbox 3D averages 4.1 out of 5 from 853 ratings, while Genius Mechanic averages 3.6 from 151 ratings.

### Do Sandbox 3D or Genius Mechanic have ads?

Genius Mechanic shows ads; Sandbox 3D does not.

### Which is updated more often, Sandbox 3D or Genius Mechanic?

Sandbox 3D ships an update every 6 days, and Genius Mechanic every 6 months. Most recently, Sandbox 3D was updated on November 2, 2026 and Genius Mechanic on November 7, 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.*