# PDF Reader vs I.R.I.S.

The clearest difference is ads: I.R.I.S. at none against PDF Reader's shown. I.R.I.S. also leads on iOS requirement (9.2 vs 14.0). On price, 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 | PDF Reader | I.R.I.S. |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 114 months | — |
| Monetization | — | Free |
| Size | 10 MB | 52 MB |
| Requires iOS | 14.0 | **9.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ramalingam Sivaramakrishnan](https://appshunter.io/developer/892706271) | [METSCO Energy Solutions INC.](https://appshunter.io/developer/1203918366) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-store/id1084685959)

**Features:** macOS Compatibility

**In-app purchases:** none


### I.R.I.S.

[App page](https://appshunter.io/ios/app/iris/id1459039599)

This application helps organizations improve their data records by providing customized inspection and field-data collection forms. It supports offline data collection, image and video capture, and secure data submission to cloud or corporate IT systems.

**Highlights:** Customized forms with data validation, Image, video, and PDF collection, Offline data collection, Cloud and corporate IT system submission, HTTPS security and data encryption, User groups and conditional destinations

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF Reader free?

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

### Is I.R.I.S. free?

I.R.I.S. is free to download, with no in-app purchases.

### Do PDF Reader or I.R.I.S. have ads?

PDF Reader shows ads; I.R.I.S. does not.

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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.*