# xCool Pro vs WatchDocs

The clearest difference is in-app purchases: xCool Pro at none against WatchDocs's 4. WatchDocs's advantage is update cadence (every 5 weeks vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. WatchDocs sells 4 in-app purchases, starting at $3.99 per 7 days. xCool Pro asks for nothing beyond the download.

xCool Pro ships an update every 6 months, WatchDocs every 5 weeks. The most recent releases landed on September 12, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | xCool Pro | WatchDocs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/watchdocs-watch-pdf-viewer/id6760557233/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 32 MB | 18 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [TURNKEY TRADING LLC](https://appshunter.io/developer/1304369895) | [Mehmet Ali Demir](https://appshunter.io/developer/1631537417) |

## What reviewers say

### xCool Pro

[App page](https://appshunter.io/ios/app/xcool-pro/id6745966355)

**Features:** macOS Compatibility

**In-app purchases:** none


### WatchDocs

[App page](https://appshunter.io/ios/app/watchdocs-watch-pdf-viewer/id6760557233)

View PDFs, Word, Excel, and PowerPoint files directly on your smartwatch. Organize, zoom, and navigate documents with ease, all without needing your phone. Supports over 8 file types for ultimate convenience.

**Highlights:** View 8+ file types on your watch, Instant sync from iPhone, Organize with colors and icons, Zoom and navigate documents, Offline access, Auto-sync new files

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.99 | per 7 days |
| Weekly | $3.99 | per 7 days |
| Annual | $39.99 | per year |
| Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is xCool Pro free?

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

### Is WatchDocs free?

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

### Do xCool Pro or WatchDocs have ads?

Neither xCool Pro nor WatchDocs shows ads.

### Which is updated more often, xCool Pro or WatchDocs?

xCool Pro ships an update every 6 months, and WatchDocs every 5 weeks. Most recently, xCool Pro was updated on September 12, 2026 and WatchDocs on September 27, 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.*