# PDF Watch Viewer vs QualCampus XIE

The clearest difference is in-app purchases: QualCampus XIE at none against PDF Watch Viewer's 9. QualCampus XIE also leads on iOS requirement (12.2 vs 17.0). PDF Watch Viewer's advantage is update cadence (every 11 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. PDF Watch Viewer sells 9 in-app purchases, starting at $4.99 per 7 days. QualCampus XIE asks for nothing beyond the download.

PDF Watch Viewer ships an update every 11 days, QualCampus XIE every 2 months. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PDF Watch Viewer | QualCampus XIE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (400 ratings)](https://appshunter.io/ios/app/pdf-watch-viewer-wristdocs/id6745387064/reviews)** | — |
| Number of ratings | **400** | — |
| Positive reviews | 32.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 97 MB | 214 MB |
| Requires iOS | 17.0 | **12.2** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ONNEX YAZILIM ANONIM SIRKETI](https://appshunter.io/developer/1856674142) | [Shaikh Muzammil](https://appshunter.io/developer/1562122810) |

## What reviewers say

### PDF Watch Viewer

[App page](https://appshunter.io/ios/app/pdf-watch-viewer-wristdocs/id6745387064)

Access and read PDF, Word, Excel, EPUB, and text files directly on your Apple Watch. Organize documents, zoom, and navigate pages with ease, even offline. Sync seamlessly with your iPhone for quick access to important information on the go.

**Highlights:** View PDF, DOCX, XLSX, TXT, EPUB files on Apple Watch, Zoom and page navigation for small screens, Organize files with folders and favorites, Seamless iPhone sync, Offline access to documents, Convert images and notes to PDF, Send photos and text notes to Watch

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Weekly Subscription | $6.99 | per 7 days |
| WristDocs Six Months Premium | $9.99 | per 6 months |
| Monthly Subscription | $9.99 | per month |
| 6-Month Subscription | $14.99 | per 6 months |
| Annual Subscription | $19.99 | per year |
| Annual Subscription | $29.99 | per year |
| Lifetime Access | $29.99 | one-time |
| Lifetime Premium Access | $59.99 | one-time |


### QualCampus XIE

[App page](https://appshunter.io/ios/app/qualcampus-xie/id6761456565)

**Features:** macOS Compatibility, 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 QualCampus XIE free?

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

### Do PDF Watch Viewer or QualCampus XIE have ads?

Neither PDF Watch Viewer nor QualCampus XIE shows ads.

### Which is updated more often, PDF Watch Viewer or QualCampus XIE?

PDF Watch Viewer ships an update every 11 days, and QualCampus XIE every 2 months. Most recently, PDF Watch Viewer was updated on November 8, 2026 and QualCampus XIE on October 31, 2026.

---

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