# Kegel Study vs E

The clearest difference is iOS requirement: Kegel Study at 8.0 against E's 15.1. 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 | Kegel Study | E |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | — |
| Size | 85 MB | 40 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [University of California at San Francisco](https://appshunter.io/developer/446489325) | [e-Vitals PLLC](https://appshunter.io/developer/1839862503) |

## What reviewers say

### Kegel Study

[App page](https://appshunter.io/ios/app/kegel-study/id1215415506)

**Features:** macOS Compatibility

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-vitals/id6752558130)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Kegel Study free?

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

### Is E free?

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

### Do Kegel Study or E have ads?

Neither Kegel Study nor E 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.*