# PI vs Patient Enroll by High Enroll

The clearest difference is iOS requirement: PI at 12.0 against Patient Enroll by High Enroll'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 | PI | Patient Enroll by High Enroll |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Size | 21 MB | 28 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Refuah Solutions Ltd](https://appshunter.io/developer/1473298751) | [High Enroll, LLC](https://appshunter.io/developer/1500612242) |

## What reviewers say

### PI

[App page](https://appshunter.io/ios/app/pi-support/id1663142410)

**Features:** macOS Compatibility

**In-app purchases:** none


### Patient Enroll by High Enroll

[App page](https://appshunter.io/ios/app/patient-enroll-by-high-enroll/id6464441477)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PI free?

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

### Is Patient Enroll by High Enroll free?

Patient Enroll by High Enroll is free to download, with no in-app purchases.

### Do PI or Patient Enroll by High Enroll have ads?

Neither PI nor Patient Enroll by High Enroll 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.*