# WatchPDF vs Nineteen Days

The clearest difference is review sentiment: Nineteen Days at 100% against WatchPDF's 89%. WatchPDF's advantage is price ($4.99 vs $5.99). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

WatchPDF costs $4.99 and Nineteen Days $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

WatchPDF ships an update weekly, Nineteen Days every 9 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | WatchPDF | Nineteen Days |
| --- | --- | --- |
| Price | **$4.99** | $5.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/watchpdf/id6502047038/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 88.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | Paid | Paid |
| Size | 16 MB | 3 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [kim juyoung](https://appshunter.io/developer/918406157) | [Nineteen Days,LLC](https://appshunter.io/developer/1702967329) |

## What reviewers say

### WatchPDF

[App page](https://appshunter.io/ios/app/watchpdf/id6502047038)

View PDF files directly on your Apple Watch. This app allows you to access and navigate PDFs stored on your paired iPhone without needing to transfer them. Enjoy convenient PDF viewing anytime, anywhere.

**Highlights:** View PDFs on Apple Watch, Stream PDFs from iPhone, Zoom and navigate pages, Support for password-locked PDFs, Adjustable screen brightness, App Lock feature

**Features:** Apple Watch app

**In-app purchases:** none


### Nineteen Days

[App page](https://appshunter.io/ios/app/nineteen-days/id6502869042)

Stay updated with the Badi calendar through a customizable home screen widget. Receive notifications for new months and Holy Days, with the day change accurately reflecting your location.

**Highlights:** Dynamic widget resizing, Baha'i month and Holy Day notifications, Evening-based day change, Seamless iOS integration, In-app Badi Calendar

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is WatchPDF free?

WatchPDF costs $4.99, with no in-app purchases.

### Is Nineteen Days free?

Nineteen Days costs $5.99, with no in-app purchases.

### Do WatchPDF or Nineteen Days have ads?

Neither WatchPDF nor Nineteen Days shows ads.

### Which is updated more often, WatchPDF or Nineteen Days?

WatchPDF ships an update weekly, and Nineteen Days every 9 days. Most recently, WatchPDF was updated on October 24, 2026 and Nineteen Days on October 24, 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.*