# F.A.S.T baby vs Visual Sandbox Simulation

The clearest difference is device support: F.A.S.T baby at 3 against Visual Sandbox Simulation's 1. F.A.S.T baby also leads on iOS requirement (15.6 vs 17.0). On price, ads and in-app purchases there is nothing between them.

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

## The numbers

| Metric | F.A.S.T baby | Visual Sandbox Simulation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (11 ratings)](https://appshunter.io/ios/app/fast-baby/id1217030601/reviews)** | — |
| Number of ratings | **11** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 55 months | — |
| Monetization | Free | — |
| Size | 1 MB | 4 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Philippe Zay](https://appshunter.io/developer/1200498230) | [Marvin Krueger](https://appshunter.io/developer/1152894281) |

## What reviewers say

### F.A.S.T baby

[App page](https://appshunter.io/ios/app/fast-baby/id1217030601)

This app offers a calming visual experience for babies and very young children with colorful, moving spiral patterns. Tapping the screen generates new spirals, or they change automatically after a brief pause, providing a simple and engaging display.

**Highlights:** Tap to generate new spirals, Automatic spiral changes, Simple full-screen interface, Designed for young children, Colorful moving patterns

**Features:** macOS Compatibility

**In-app purchases:** none


### Visual Sandbox Simulation

[App page](https://appshunter.io/ios/app/visual-sandbox-simulation/id6753861678)

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

**In-app purchases:** none


## Frequently asked questions

### Is F.A.S.T baby free?

F.A.S.T baby is free to download, with no in-app purchases.

### Is Visual Sandbox Simulation free?

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

### Do F.A.S.T baby or Visual Sandbox Simulation have ads?

Neither F.A.S.T baby nor Visual Sandbox Simulation shows ads.

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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.*