# Serotonic vs Vacupower

The clearest difference is iOS requirement: Serotonic at 12.1 against Vacupower's 15.6. On price, ads, 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.

## The numbers

| Metric | Serotonic | Vacupower |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 24 months |
| Size | 9 MB | 2 MB |
| Requires iOS | **12.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kostas Kousinovalis](https://appshunter.io/developer/762128160) | [ARTIOS SINGLE MEMBER PC](https://appshunter.io/developer/1727561071) |

## What reviewers say

### Serotonic

[App page](https://appshunter.io/ios/app/serotonic/id1487258574)

**Features:** macOS Compatibility

**In-app purchases:** none


### Vacupower

[App page](https://appshunter.io/ios/app/vacupower/id6476686891)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Serotonic free?

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

### Is Vacupower free?

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

### Do Serotonic or Vacupower have ads?

Neither Serotonic nor Vacupower 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.*