Comparison

WatchPDF vs LinkViewer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

WatchPDF

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
Read full description

PDF app for Apple Watch only View PDF files by inserting them into your Apple Watch. You can check PDF files anytime, anywhere on your Apple Watch. The watch app can be run alone, but To send PDF files to Apple Watch, you need the iPhone app. Please make sure you have an Apple Watch before purchasing the app. The iPhone app does not support viewing PDF files. The iPhone app sends PDF files to a connected Apple Watch. *Features* - Device: Apple Watch (WatchOS 10+), iPhone (iOS 17+) - File: PDF - Zoom in and out: Zoom in and out of content using the zoom in/zoom out buttons. - Page mode: Switch pages back and forth and go to a specific page - Vertical mode: Navigate pages by scrolling up and down in the list - Support for password-locked PDFs - Runs alone on Apple Watch, iPhone app required for file transfer - Touch the content screen to hide and display various menus and buttons - App screen brightness - App Lock: Only possible when the watch is password-protected ** Phone Streaming ** - Browse and open files inside nearby iPhone app from paired Apple Watch app, and switch pages - Access, browse, and open files on your iPhone from your watch without transferring them to your watch - Paired iPhone and Apple Watch must be in close proximity, and install and run the app on iPhone - Page quality will be adjusted. ** Search "WatchPDF" on YouTube to watch a usage video. ** Our app does not provide separate PDF files. PDF files can be viewed by inserting the file stored by the app user into the app.

About

LinkViewer

Features
Read full description

Available in 한국어, English, and 日本語 Text LinkViewer is a clean, powerful text reader for iPhone and iPad. Whether you're reading novels, notes, or documents, it keeps your library organized and your place saved — across every device. ** YOUR LIBRARY, YOUR WAY ** Import .txt, .md, .epub, and more into a personal library you can sort, browse, and search at a glance. Organize files into folders, switch between icon, list, or gallery view, and find anything instantly with full-text search. ** READ THE WAY YOU LIKE ** - Page Mode — flip pages horizontally or vertically with slide, fade, or instant transitions - Scroll Mode — continuous reading without interruption - iPad Dual-Page Mode — see two pages side by side on larger screens ** MAKE IT YOURS ** Every detail is adjustable — font, size, line spacing, letter spacing, paragraph gaps, and margins. Choose from Light, Dark, Gray, Green, or Sepia themes, or build your own with custom background and text colors. ** NEVER LOSE YOUR PLACE ** iCloud sync keeps your reading position in sync across iPhone, iPad — automatically. Pick up exactly where you left off, on any device. ** PRO ** Go ad-free with a Pro subscription. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://skyprawngo.github.io/textlinkviewer-policy/privacy.html

Screenshots

WatchPDF4 screens
LinkViewer4 screens

Verdict

The call

The clearest difference is price: LinkViewer at Free against WatchPDF's $4.99. WatchPDF's advantage is in-app purchases (none vs 2) and ads (none vs shown). On 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

CostPrice · In-app purchases · Ads · Monetization

LinkViewer is free to download; WatchPDF costs $4.99 up front. LinkViewer sells 2 in-app purchases, starting at $0.99 per month. WatchPDF asks for nothing beyond the download.

UpkeepUpdate frequency

WatchPDF ships an update weekly, LinkViewer every 3 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
WatchPDF versus LinkViewer: the parameters behind the verdict, then further details
ParameterWatchPDFLinkViewer
Price$4.99Free — better
Rating5.0 (1 ratings) — better—
Positive reviews88.9% of reviews—
Number of ratings1 — better—
Update frequencyWeekly — betterEvery 3 weeks
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, Apple WatchiPhone, iPad
Requires iOS16.0 — better26.0
Further details — not scored
Size16 MB25 MB
Age rating4+4+
Developerkim juyoungJeongYun Lee

In-app purchases

None

WatchPDF

No in-app purchases

2 purchases

LinkViewer

Subscriptions2
  • LinkViewer Pro Monthly14 Days trial$0.991 Month
  • LinkViewer Pro Yearly$8.991 Year

Questions

Is WatchPDF free?
WatchPDF costs $4.99, with no in-app purchases.
Is LinkViewer free?
LinkViewer is free to download, with in-app purchases available.
Do WatchPDF or LinkViewer have ads?
LinkViewer shows ads; WatchPDF does not.
Which is updated more often, WatchPDF or LinkViewer?
WatchPDF ships an update weekly, and LinkViewer every 3 weeks. Most recently, WatchPDF was updated on October 25, 2026 and LinkViewer on October 24, 2026.

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