# Nano Notes vs Watch PDF Reader

The clearest difference is review sentiment: Nano Notes at 83% against Watch PDF Reader's 29%. Nano Notes also leads on price (Free vs $4.99) and rating (4.8 vs 3.0). Watch PDF Reader's advantage is update cadence (every 3 weeks vs every 3 months). On ads, in-app purchases and monetization model there is nothing between them.

Nano Notes is free to download; Watch PDF Reader costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Nano Notes holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: Nano Notes has 150 ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 83% of Nano Notes's written reviews are positive against 29% of Watch PDF Reader's.

Nano Notes ships an update every 3 months, Watch PDF Reader every 3 weeks. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Nano Notes | Watch PDF Reader |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.8 (150 ratings)](https://appshunter.io/ios/app/nano-notes/id1445942906/reviews)** | [3.0 (17 ratings)](https://appshunter.io/ios/app/watch-pdf-reader/id1665291391/reviews) |
| Number of ratings | **150** | 17 |
| Positive reviews | **83.3% of reviews** | 28.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 7 MB | 37 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [Vincent Tourraine](https://appshunter.io/developer/308598599) | [Engels Cybersecurity & Consulting GmbH](https://appshunter.io/developer/1591355311) |

## What reviewers say

### Nano Notes

[App page](https://appshunter.io/ios/app/nano-notes/id1445942906)

Capture thoughts and ideas instantly with a simple note-taking tool. Access and review your notes conveniently on your Apple Watch.

**Highlights:** Quick note creation, Apple Watch access, Simple interface, Instant synchronization

**Features:** macOS Compatibility

**In-app purchases:** none


### Watch PDF Reader

[App page](https://appshunter.io/ios/app/watch-pdf-reader/id1665291391)

Access and view PDF documents directly on your Apple Watch. Convert photos and scans into PDFs on your iPhone, then transfer them for offline viewing and quick reference on the go. Zoom in to see every detail.

**Highlights:** View PDFs on Apple Watch, Convert photos to PDF, Scan documents to PDF, Import PDFs from Files app, Offline PDF viewing, Zoom functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is Nano Notes free?

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

### Is Watch PDF Reader free?

Watch PDF Reader costs $4.99, with no in-app purchases.

### Which has better reviews, Nano Notes or Watch PDF Reader?

Nano Notes is rated higher. Nano Notes averages 4.8 out of 5 from 150 ratings, while Watch PDF Reader averages 3.0 from 17 ratings.

### Do Nano Notes or Watch PDF Reader have ads?

Neither Nano Notes nor Watch PDF Reader shows ads.

### Which is updated more often, Nano Notes or Watch PDF Reader?

Nano Notes ships an update every 3 months, and Watch PDF Reader every 3 weeks. Most recently, Nano Notes was updated on October 1, 2026 and Watch PDF Reader on October 7, 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.*