# F.A.S.T baby vs hero machine

The clearest difference is ads: F.A.S.T baby at none against hero machine's shown. hero machine's advantage is update cadence (monthly vs every 55 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

F.A.S.T baby ships an update every 55 months, hero machine monthly. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | F.A.S.T baby | hero machine |
| --- | --- | --- |
| 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** | Yes |
| Update frequency | Every 55 months | **Monthly** |
| Monetization | Free | — |
| Size | 1 MB | 139 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Philippe Zay](https://appshunter.io/developer/1200498230) | [HARUNOBU SATAKUNI](https://appshunter.io/developer/1364844825) |

## 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


### hero machine

[App page](https://appshunter.io/ios/app/hero-machine/id6480411540)

**Features:** macOS Compatibility

**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 hero machine free?

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

### Do F.A.S.T baby or hero machine have ads?

hero machine shows ads; F.A.S.T baby does not.

### Which is updated more often, F.A.S.T baby or hero machine?

F.A.S.T baby ships an update every 55 months, and hero machine monthly. Most recently, F.A.S.T baby was updated on October 24, 2026 and hero machine on October 27, 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.*