# eSense EEGenius vs Brain Zleeper

The clearest difference is price: eSense EEGenius at Free against Brain Zleeper's $49.99. eSense EEGenius also leads on iOS requirement (14.7 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

eSense EEGenius is free to download; Brain Zleeper costs $49.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | eSense EEGenius | Brain Zleeper |
| --- | --- | --- |
| Price | **Free** | $49.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 2 MB | 1 MB |
| Requires iOS | **14.7** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mindfield Biosystems Ltd.](https://appshunter.io/developer/496503507) | [T. Frank Lawlis](https://appshunter.io/developer/517473701) |

## What reviewers say

### eSense EEGenius

[App page](https://appshunter.io/ios/app/esense-eegenius/id1563767134)

**Features:** macOS Compatibility

**In-app purchases:** none


### Brain Zleeper

[App page](https://appshunter.io/ios/app/brain-zleeper/id6477369347)

**In-app purchases:** none


## Frequently asked questions

### Is eSense EEGenius free?

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

### Is Brain Zleeper free?

Brain Zleeper costs $49.99, with no in-app purchases.

### Do eSense EEGenius or Brain Zleeper have ads?

Neither eSense EEGenius nor Brain Zleeper 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.*