# PDF Watch Viewer PRO vs SumDoc

The clearest difference is in-app purchases: SumDoc at none against PDF Watch Viewer PRO's 5. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Watch Viewer PRO sells 5 in-app purchases, starting at $4.99 per 7 days. SumDoc asks for nothing beyond the download.

## The numbers

| Metric | PDF Watch Viewer PRO | SumDoc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 6 days |
| Size | 70 MB | 75 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PANDA ADVENTURES P.C.](https://appshunter.io/developer/6792692577) | [HEALTH INFORMATIC SECURITY SYSTEM, S.L.](https://appshunter.io/developer/1848342899) |

## What reviewers say

### PDF Watch Viewer PRO

[App page](https://appshunter.io/ios/app/pdf-watch-viewer-pro/id6792692575)

**Features:** Apple Watch app

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Weekly-Trial | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $39.99 | per year |
| Lifetime | $59.99 | one-time |


### SumDoc

[App page](https://appshunter.io/ios/app/sumdoc-docx-document-editor/id6807049845)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PDF Watch Viewer PRO free?

PDF Watch Viewer PRO is free to download, with in-app purchases available.

### Is SumDoc free?

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

### Do PDF Watch Viewer PRO or SumDoc have ads?

Neither PDF Watch Viewer PRO nor SumDoc shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*