# Brain vs SOA

The clearest difference is price: Brain at Free against SOA's $12.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Brain is free to download; SOA costs $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Brain | SOA |
| --- | --- | --- |
| Price | **Free** | $12.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 6 weeks |
| Size | 4 MB | 27 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [vWave eCommerce GmbH](https://appshunter.io/developer/1714101394) | [Davy Raitt](https://appshunter.io/developer/1795318281) |

## What reviewers say

### Brain

[App page](https://appshunter.io/ios/app/brain-friendly-language-learn/id6470720876)

**In-app purchases:** none


### SOA

[App page](https://appshunter.io/ios/app/soa-c02-aws-sysops-associate/id6747204476)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Brain free?

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

### Is SOA free?

SOA costs $12.99, with no in-app purchases.

### Do Brain or SOA have ads?

Neither Brain nor SOA shows ads.

---

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