# PDF Reader vs СканДок

The clearest difference is ads: СканДок at none against PDF Reader's shown. СканДок also leads on update cadence (every 7 months vs every 112 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PDF Reader ships an update every 112 months, СканДок every 7 months. The most recent releases landed on October 10, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | PDF Reader | СканДок |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 112 months | **Every 7 months** |
| Size | 10 MB | 22 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aishvarya Sadasivam](https://appshunter.io/developer/1062048241) | [Dmitriy Felinger](https://appshunter.io/developer/1574279820) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-simple/id1084659776)

**Features:** macOS Compatibility

**In-app purchases:** none


### СканДок

[App page](https://appshunter.io/ios/app/id6739534555)

**In-app purchases:** none


## Frequently asked questions

### Is PDF Reader free?

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

### Is СканДок free?

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

### Do PDF Reader or СканДок have ads?

PDF Reader shows ads; СканДок does not.

### Which is updated more often, PDF Reader or СканДок?

PDF Reader ships an update every 112 months, and СканДок every 7 months. Most recently, PDF Reader was updated on October 10, 2026 and СканДок on October 14, 2026.

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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.*