# PDF Reader vs Night Clock

The clearest difference is price: PDF Reader at Free against Night Clock's $1.99. PDF Reader also leads on update cadence (monthly vs every 39 months) and ratings volume (91 vs 1). Night Clock's advantage is in-app purchases (none vs 2). On rating, review sentiment, ads and device support there is nothing between them.

PDF Reader is free to download; Night Clock costs $1.99 up front. PDF Reader sells 2 in-app purchases, starting at $1.99 per month. Night Clock asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.0 for PDF Reader against 4.0 for Night Clock. That said, the two scores are not equally well evidenced: PDF Reader has 91 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 47% of PDF Reader's written reviews are positive against 50% of Night Clock's.

PDF Reader ships an update monthly, Night Clock every 39 months. The most recent releases landed on September 30, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | PDF Reader | Night Clock |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.0 (91 ratings)](https://appshunter.io/ios/app/pdf-reader-edit-and-storage/id889642590/reviews) | [4.0 (1 ratings)](https://appshunter.io/ios/app/night-clock/id991595133/reviews) |
| Number of ratings | **91** | 1 |
| Positive reviews | 46.7% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 39 months |
| Monetization | **Freemium** | Paid |
| Size | 52 MB | 3 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ABV Mobile](https://appshunter.io/developer/595885253) | [Allister Jenks](https://appshunter.io/developer/795565647) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-edit-and-storage/id889642590)

Easily view, edit, search, and annotate PDF documents. This software helps manage your daily work needs by supporting multiple document formats and offering convenient sharing and printing options.

**Highlights:** View PDF documents, Text search within PDFs, Annotate documents, Document management, Support multiple formats, Share and print PDFs

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly VIP | $1.99 | per month |
| Annual VIP | $14.49 | per year |


### Night Clock

[App page](https://appshunter.io/ios/app/night-clock/id991595133)

This app displays a simple analog clock designed for low-light conditions, featuring customizable colors and an optional sweep second hand. It can automatically adjust brightness based on sunset and sunrise.

**Highlights:** Customizable analog clock face, Multiple color options, Automatic brightness adjustment, Optional sweep second hand, Easy-to-read in darkness

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Reader free?

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

### Is Night Clock free?

Night Clock costs $1.99, with no in-app purchases.

### Which has better reviews, PDF Reader or Night Clock?

PDF Reader and Night Clock are both rated 4.0 out of 5 on the App Store, from 91 and 1 ratings respectively.

### Do PDF Reader or Night Clock have ads?

Neither PDF Reader nor Night Clock shows ads.

### Which is updated more often, PDF Reader or Night Clock?

PDF Reader ships an update monthly, and Night Clock every 39 months. Most recently, PDF Reader was updated on September 30, 2026 and Night Clock on October 2, 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.*