# ProBooster EX vs AlphaX Active Sound

The clearest difference is iOS requirement: ProBooster EX at 13.0 against AlphaX Active Sound's 16.0. 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 | ProBooster EX | AlphaX Active Sound |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 9 days |
| Size | 39 MB | 5 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [YUNG CHANG PAI](https://appshunter.io/developer/1863441753) | [JIN-HAO LI](https://appshunter.io/developer/1874475500) |

## What reviewers say

### ProBooster EX

[App page](https://appshunter.io/ios/app/probooster-ex/id6756885886)

**Features:** Vision Pro support

**In-app purchases:** none


### AlphaX Active Sound

[App page](https://appshunter.io/ios/app/alphax-active-sound/id6761770047)

**In-app purchases:** none


## Frequently asked questions

### Is ProBooster EX free?

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

### Is AlphaX Active Sound free?

AlphaX Active Sound is free to download, with no in-app purchases.

### Do ProBooster EX or AlphaX Active Sound have ads?

Neither ProBooster EX nor AlphaX Active Sound 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.*