PDF Reader vs Night Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF Reader
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.
- View PDF documents
- Text search within PDFs
- Annotate documents
- Document management
- Support multiple formats
- Share and print PDFs
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PDF Reader is an easy-to-use software that can quickly view, edit, search, annotate, share or print PDF content ,including forms and multimedia to meet your daily work needs. 【Main functions】 • View • Text search • Annotations • Document Management • Support multiple document formats • Share • Print 【Starter guide】 1. Open the PDF document 1) Open from other applications Find the PDF document on emails, webs or other application, tap the Share icon or Open-in option, and choose Copy to PDF Reader, select "PDF Reader". The document will be opened in the PDF Reader . 2) Within the APP You can open the PDF documents that you viewed or edited recently within the APP . 2. Process the documents Open the PDF documents and choose the tools at the top right to process. 3. Complete processing Share files to your friends with email, Facebook, Twitter, Airdrop. Or, print it. 【PDF Reader VIP member subscription instructions】 We offer subscription plans as followed, the price will change depending on the currency 1-month subscription 1-year subscription Payment will be charged to iTunes Account at confirmation of purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. Subscriptions may be managed by the user and auto renewal may be turned off by going to the user's Account Settings after purchase. No cancellation of the current subscription is allowed during active subscription period. Any unused portion of a free trial period will be forfeited when the user purchases a subscription to that publication, where applicable. Terms of service: https://kkyun.com/html/service.html Privacy policy: https://kkyun.com/html/privacy.html 【Feedback】 Please contact us: service@kkyun.com
Night Clock
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.
- Customizable analog clock face
- Multiple color options
- Automatic brightness adjustment
- Optional sweep second hand
- Easy-to-read in darkness
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Night Clock is the simplest analogue clock for your nightstand, designed to be easy on your eyes in darkness so you don't wake yourself up trying to figure out what time it is. Dim your display and use the default Classy Red face for the lowest light levels, get a little daring with Fizzy Orange, or blend in with your decor with Oak Brown. There are a dozen colour choices* to choose from. If you allow Night Clock to use your location, it will slowly dim the colours after sunset and return to full brightness by sunrise. Or, if you choose one of the new "night and day" schemes, the colour will change completely between night and day. This capability works best in conjunction with the iOS Auto-Brightness setting being on. (General > Accessibility > Display Accommodations.) And if you're just too wired to sleep, turn on the sweep second hand with a tap on the sweep button, or just press and hold on the face for 2 seconds. The sweep second hand will make two full revolutions and then slowly fade out. You might find that as it fades, so do you to restful sleep. * Original colour design by Andrew J. Clark.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | PDF Reader | Night Clock |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.0 (91 ratings) | 4.0 (1 ratings) |
| Positive reviews | 46.7% of reviews | 50.0% of reviews — better |
| Number of ratings | 91 — better | 1 |
| Update frequency | Monthly — better | Every 39 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 52 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | ABV Mobile | Allister Jenks |
Customer experience
PDF Reader
Night Clock
In-app purchases
PDF Reader
- Monthly VIP$1.991 Month
- Annual VIP3 Days trial$14.491 Year
Night Clock
No in-app purchases









