# PDF Watch Viewer vs Ghost Reader

The clearest difference is in-app purchases: Ghost Reader at none against PDF Watch Viewer's 4. Ghost Reader also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 5 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Watch Viewer sells 4 in-app purchases, starting at $2.99 per 7 days. Ghost Reader asks for nothing beyond the download.

PDF Watch Viewer ships an update every 5 months, Ghost Reader every 3 weeks. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PDF Watch Viewer | Ghost Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Size | 9 MB | 23 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [DEEPLY AI](https://appshunter.io/developer/1809787876) | [Trofim Panasik](https://appshunter.io/developer/1809927555) |

## What reviewers say

### PDF Watch Viewer

[App page](https://appshunter.io/ios/app/pdf-watch-viewer-wristview/id6761654564)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WristView Premium Weekly | $2.99 | per 7 days |
| WristView Premium Monthly | $7.99 | per month |
| WristView Premium Yearly | $29.99 | per year |
| WristView Premium Lifetime | $49.99 | one-time |


### Ghost Reader

[App page](https://appshunter.io/ios/app/ghost-reader-watch-documents/id6780258970)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PDF Watch Viewer free?

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

### Is Ghost Reader free?

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

### Do PDF Watch Viewer or Ghost Reader have ads?

PDF Watch Viewer shows ads; Ghost Reader does not.

### Which is updated more often, PDF Watch Viewer or Ghost Reader?

PDF Watch Viewer ships an update every 5 months, and Ghost Reader every 3 weeks. Most recently, PDF Watch Viewer was updated on October 25, 2026 and Ghost Reader on October 31, 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.*