# Four Dimensional Space vs Black Hole Sandbox

The clearest difference is ads: Black Hole Sandbox at none against Four Dimensional Space's shown. Black Hole Sandbox also leads on update cadence (fortnightly vs every 3 months) and iOS requirement (17.0 vs 26.2). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Four Dimensional Space ships an update every 3 months, Black Hole Sandbox fortnightly. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Four Dimensional Space | Black Hole Sandbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/black-hole-sandbox/id6810945165/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Fortnightly** |
| Size | 6 MB | 7 MB |
| Requires iOS | 26.2 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | +4 |
| Developer | [Toru Kawaguchi](https://appshunter.io/developer/1063198642) | [Tim Corin](https://appshunter.io/developer/6785116779) |

## What reviewers say

### Four Dimensional Space

[App page](https://appshunter.io/ios/app/four-dimensional-space/id6762447300)

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

**In-app purchases:** none


### Black Hole Sandbox

[App page](https://appshunter.io/ios/app/black-hole-sandbox/id6810945165)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Four Dimensional Space free?

Four Dimensional Space is free to download, with no in-app purchases.

### Is Black Hole Sandbox free?

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

### Do Four Dimensional Space or Black Hole Sandbox have ads?

Four Dimensional Space shows ads; Black Hole Sandbox does not.

### Which is updated more often, Four Dimensional Space or Black Hole Sandbox?

Four Dimensional Space ships an update every 3 months, and Black Hole Sandbox fortnightly. Most recently, Four Dimensional Space was updated on November 9, 2026 and Black Hole Sandbox on November 10, 2026.

---

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