# PDFR vs Comet Health

The clearest difference is device support: PDFR at 2 against Comet Health's —. PDFR also leads on iOS requirement (10.0 vs 15.1). On price and in-app purchases 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 | PDFR | Comet Health |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Size | 8 MB | 46 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | **iPhone, iPod** | — |
| Age rating | 17+ | 12+ |
| Developer | [Spark Media, Inc.](https://appshunter.io/developer/1225569373) | [Nina Lu](https://appshunter.io/developer/1559960698) |

## What reviewers say

### PDFR

[App page](https://appshunter.io/ios/app/pdfr/id6450903567)

**In-app purchases:** none


### Comet Health

[App page](https://appshunter.io/ios/app/comet-health/id6760387736)

**In-app purchases:** none


## Frequently asked questions

### Is PDFR free?

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

### Is Comet Health free?

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

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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.*