# PDF Reader vs Password Authentication

The clearest difference is in-app purchases: Password Authentication at none against PDF Reader's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Reader sells 2 in-app purchases, starting at $3.99 per month. Password Authentication asks for nothing beyond the download.

## The numbers

| Metric | PDF Reader | Password Authentication |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | — |
| Size | 23 MB | 54 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Smit Pipaliya](https://appshunter.io/developer/1646406919) | [Jksol Infotech LLP](https://appshunter.io/developer/1780266924) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-pdf-viewer/id6443484704)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Reader & Editor Monthly | $3.99 | per month |
| PDF Reader & Editor Yearly | $27.49 | per year |


### Password Authentication

[App page](https://appshunter.io/ios/app/password-authentication/id6739488718)

**In-app purchases:** none


## Frequently asked questions

### Is PDF Reader free?

PDF Reader is free to download, with in-app purchases available.

### Is Password Authentication free?

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

### Do PDF Reader or Password Authentication have ads?

Both PDF Reader and Password Authentication show 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.*