Shark Scan vs PDF Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Shark Scan
This app combines lightning-fast QR code scanning with AI-powered recognition for identifying objects and plants. It also offers a library of short dramas and allows users to create custom QR codes from photos, GIFs, or text.
- Fast QR/barcode scanning
- AI object recognition
- Short drama library
- Custom QR code creation
- Identify plants, animals, coins
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Tired of juggling apps for scanning, identifying, and creating? Meet Shark Scan — the all-in-one tool that puts smart living at your fingertips. Scan any QR code or barcode in 1s — even dim, blurry, or complex ones. Instantly open URLs, connect to WiFi, save contacts, or pull up product details. No delays, no fuss. Binge free short dramas & skits Need a quick escape? Dive into our growing library of free short dramas and skits. Whether you have 2 minutes or 20, there's always something worth watching. AI Scan: identify anything Curious about that plant in your garden? That coin in your collection? The ingredients in your food? Just point and scan — our AI delivers encyclopedia-level facts and tailored insights instantly. Create custom QR codes in a tap Turn photos, GIFs, or text into dynamic QR codes. Share contacts, messages, WiFi, or links — build your unique digital identity in seconds. Why Shark Scan? · Lightning-fast scanning, even in low light · AI that actually works — plants, animals, birds, coins, food · Fully free core features with an ultra-clean interface · Privacy-first: your scans stay on your device Perfect for: · Shoppers comparing prices and checking reviews · Students researching plants and animals on field trips · Anyone who loves a good short drama during downtime Download Shark Scan now — your everyday smart companion for scanning, discovering, and creating.
PDF Reader
This app provides a privacy-focused way to view, organize, and manage PDF files on your device. It offers tools for merging, splitting, securing documents, and converting images to PDF, all processed locally for enhanced data safety.
- View and organize PDF files
- Merge and split PDFs
- Secure documents with passwords
- Convert images to PDF
- Built-in document scanner
- Local data processing for privacy
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PDF Reader - Viewer is a privacy-focused PDF document management tool designed to help you easily view, organize, and manage your PDF files on iPhone and iPad. With useful PDF tools such as merging, splitting, and password protection, it provides a simple and convenient solution for managing your documents. All processing is performed locally on your device, helping keep your documents private and secure. Privacy Matters Your privacy comes first. - Your PDF document files stay locally on your device - All processing is performed locally - Your documents do not need to be uploaded to external servers - Keep your files private while managing them securely PDF Management - Easily manage and organize your PDF files. Scan your device and list all available PDF files - Merge multiple PDF files into one - Split large PDF files into smaller documents - Add passwords to protect sensitive files - Remove passwords from unlocked PDF files - Conversion & Creation - Convenient tools for creating and converting PDF documents. Convert images to PDF quickly - Use the built-in document scanner to scan documents and save them as PDF files - Enjoy a smooth reading experience with multiple viewing modes - File Organization & PDF Reader - Keep your documents organized and easy to access. Quickly access recently opened files - Add important documents to Favorites - Rename files - Delete unwanted files - Share documents - Print files Simple and Powerful Whether you're a student, professional, or anyone who needs a simple yet powerful document management app, PDF Reader - Viewer makes it easy to manage your files and documents. With all processing performed locally on your device, you can enjoy a secure and private PDF reading and document management experience. Download Now - Download PDF Reader - Viewer today for a simple, secure, and convenient way to read, organize, and manage your PDF files.
Screenshots
Verdict
The clearest difference is ads: Shark Scan at none against PDF Reader's shown. Shark Scan also leads on monetization model (free vs ad-supported). PDF Reader's advantage is rating (4.7 vs 4.3) and review sentiment (50% vs 25%). On price, ratings volume, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
PDF Reader holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 105 and 59 respectively. Written reviews point the same way: 25% of Shark Scan's written reviews are positive against 50% of PDF Reader's.
Shark Scan ships an update every 2 weeks, PDF Reader every 5 days. The most recent releases landed on September 1, 2026 and September 15, 2026 respectively.
| Parameter | Shark Scan | PDF Reader |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (105 ratings) | 4.7 (59 ratings) — better |
| Positive reviews | 25.0% of reviews | 50.0% of reviews — better |
| Number of ratings | 105 — better | 59 |
| Update frequency | Every 2 weeks | Every 5 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 15 |
| Further details — not scored | ||
| Size | 51 MB | 116 MB |
| Age rating | 4+ | 17+ |
| Developer | Chengdu Dance Elephant Technology Co., LTD. | All About Housing LLC |
Customer experience
Shark Scan
PDF Reader
In-app purchases
Shark Scan
No in-app purchases
PDF Reader
No in-app purchases









