# PDF Watch Viewer vs StudyWrist

The clearest difference is price: PDF Watch Viewer at Free against StudyWrist's $0.99. PDF Watch Viewer also leads on rating (4.6 vs 3.0) and ratings volume (373 vs 2). StudyWrist's advantage is update cadence (every 3 days vs every 11 days) and chart position (#45 vs unranked). On review sentiment, ads, in-app purchases and monetization model there is nothing between them.

PDF Watch Viewer is free to download; StudyWrist costs $0.99 up front. PDF Watch Viewer sells 9 in-app purchases, starting at $4.99 per 7 days and StudyWrist sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

PDF Watch Viewer holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: PDF Watch Viewer has 373 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 33% and 33% positive.

PDF Watch Viewer ships an update every 11 days, StudyWrist every 3 days. The most recent releases landed on September 24, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | PDF Watch Viewer | StudyWrist |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.6 (373 ratings)](https://appshunter.io/ios/app/pdf-watch-viewer-wristdocs/id6745387064/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/studywrist/id6762534169/reviews) |
| Number of ratings | **373** | 2 |
| Positive reviews | 33.3% of reviews | 33.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 3 days** |
| Monetization | Free with in-app purchases | Freemium |
| Best chart rank | — | **#45** |
| Size | 74 MB | 7 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, Apple Watch | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [ONNEX YAZILIM ANONIM SIRKETI](https://appshunter.io/developer/1856674142) | [Nathan Pawlik](https://appshunter.io/developer/1867129680) |

## What reviewers say

### PDF Watch Viewer

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

View PDF, Word, Excel, and text files directly on your Apple Watch. Easily navigate, zoom, and organize documents for quick access on the go. Syncs seamlessly with your iPhone for offline viewing.

**Highlights:** PDF, Word, Excel, Text file support, Zoom and page navigation, Favorites and collections, Seamless iPhone sync, Offline access, Image and notes support

**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 Premium | $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 |


### StudyWrist

[App page](https://appshunter.io/ios/app/studywrist/id6762534169)

**Currently charting:** #45 Top Paid · Education (US App Store)

Access essential academic tools directly from your Apple Watch. Features a formula library for physics, chemistry, and math, a scientific calculator, and a PDF viewer for study materials. Quickly access web links to educational resources without needing your phone.

**Highlights:** Formula library (physics, chemistry, math), Scientific calculator, PDF notes viewer, Quick web links to study resources, Watch-based access

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |


## Frequently asked questions

### Is PDF Watch Viewer free?

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

### Is StudyWrist free?

StudyWrist costs $0.99, and also offers in-app purchases.

### Which has better reviews, PDF Watch Viewer or StudyWrist?

PDF Watch Viewer is rated higher. PDF Watch Viewer averages 4.6 out of 5 from 373 ratings, while StudyWrist averages 3.0 from 2 ratings.

### Do PDF Watch Viewer or StudyWrist have ads?

Neither PDF Watch Viewer nor StudyWrist shows ads.

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

PDF Watch Viewer ships an update every 11 days, and StudyWrist every 3 days. Most recently, PDF Watch Viewer was updated on September 24, 2026 and StudyWrist on September 15, 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.*