# NanoPDF vs Wrist PDF

The clearest difference is rating: NanoPDF at 5.0 against Wrist PDF's 3.0. NanoPDF also leads on in-app purchases (none vs 3). Wrist PDF's advantage is update cadence (every 11 days vs every 6 weeks) and iOS requirement (15.6 vs 18.6). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Wrist PDF sells 3 in-app purchases, starting at $3.99 per 7 days. NanoPDF asks for nothing beyond the download.

NanoPDF holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

NanoPDF ships an update every 6 weeks, Wrist PDF every 11 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | NanoPDF | Wrist PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nanopdf/id6467386184/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/wrist-pdf-pdf-reader-and-viewer/id6756314530/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 11 days** |
| Monetization | **Free** | Subscription |
| Size | 6 MB | 52 MB |
| Requires iOS | 18.6 | **15.6** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Giovanni Outerleys](https://appshunter.io/developer/1557846953) | [Mr Siddharth](https://appshunter.io/developer/1859651378) |

## What reviewers say

### NanoPDF

[App page](https://appshunter.io/ios/app/nanopdf/id6467386184)

Access and view your PDF documents directly from your Apple Watch. Seamlessly sync files from your iPhone, zoom with a tap, and navigate pages intuitively using the Digital Crown. Manage your portable PDF library effortlessly.

**Highlights:** Quick PDF access on Apple Watch, Seamless iPhone to Watch sync, Easy tap-to-zoom functionality, Intuitive Digital Crown navigation, Simple PDF deletion from watch, Integrated user tutorial

**In-app purchases:** none


### Wrist PDF

[App page](https://appshunter.io/ios/app/wrist-pdf-pdf-reader-and-viewer/id6756314530)

Access and read PDF files, documents, and notes directly from your smartwatch. Enjoy fast loading, smooth navigation, and a clean interface for on-the-go document management. Seamlessly integrates with your paired phone for quick access to essential information.

**Highlights:** View PDFs on smartwatch, Fast PDF loading, Smooth page navigation, Supports documents and notes, Clean, wrist-friendly interface, Works with paired phone

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $3.99 | per 7 days |
| Monthly plan | $9.99 | per month |
| Yearly Plan | $49.99 | per year |


## Frequently asked questions

### Is NanoPDF free?

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

### Is Wrist PDF free?

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

### Which has better reviews, NanoPDF or Wrist PDF?

NanoPDF is rated higher. NanoPDF averages 5.0 out of 5 from 1 ratings, while Wrist PDF averages 3.0 from 2 ratings.

### Do NanoPDF or Wrist PDF have ads?

Neither NanoPDF nor Wrist PDF shows ads.

### Which is updated more often, NanoPDF or Wrist PDF?

NanoPDF ships an update every 6 weeks, and Wrist PDF every 11 days. Most recently, NanoPDF was updated on November 3, 2026 and Wrist PDF on November 5, 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.*