# PDF Watch Viewer vs Cloud Memo Plus

The clearest difference is price: PDF Watch Viewer at Free against Cloud Memo Plus's $1.99. Cloud Memo Plus's advantage is in-app purchases (none vs 1) and update cadence (every 2 weeks vs every 2 months). On ads, device support and iOS requirement there is nothing between them.

PDF Watch Viewer is free to download; Cloud Memo Plus costs $1.99 up front. PDF Watch Viewer sells 1 one-off in-app purchase. Cloud Memo Plus asks for nothing beyond the download.

PDF Watch Viewer ships an update every 2 months, Cloud Memo Plus every 2 weeks. The most recent releases landed on September 25, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | PDF Watch Viewer | Cloud Memo Plus |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[1.8 (51 ratings)](https://appshunter.io/ios/app/pdf-watch-viewer/id1346356339/reviews)** | — |
| Number of ratings | **51** | — |
| Positive reviews | 13.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 2 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Stefano Russello](https://appshunter.io/developer/543198306) | [NAOTO UENO](https://appshunter.io/developer/1713488656) |

## What reviewers say

### PDF Watch Viewer

[App page](https://appshunter.io/ios/app/pdf-watch-viewer/id1346356339)

View PDF documents directly on your Apple Watch without needing your iPhone. Easily transfer files from your web browser, iCloud, email, or messaging apps to your wrist for convenient access.

**Highlights:** View PDFs on Apple Watch, Transfer files from iPhone, Add PDFs from web browser, Add PDFs from iCloud, Add PDFs from email/messenger

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited PDF | $1.99 | one-time |


### Cloud Memo Plus

[App page](https://appshunter.io/ios/app/cloud-memo-plus/id6479646802)

**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 Cloud Memo Plus free?

Cloud Memo Plus costs $1.99, with no in-app purchases.

### Do PDF Watch Viewer or Cloud Memo Plus have ads?

Neither PDF Watch Viewer nor Cloud Memo Plus shows ads.

### Which is updated more often, PDF Watch Viewer or Cloud Memo Plus?

PDF Watch Viewer ships an update every 2 months, and Cloud Memo Plus every 2 weeks. Most recently, PDF Watch Viewer was updated on September 25, 2026 and Cloud Memo Plus on September 12, 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.*