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 switching between multiple apps for scanning, text extraction, and document processing? Try Shark Scan—an all-in-one smart scanning tool that puts intelligent document processing right at your fingertips. Lightning-Fast Scanning Scan any QR code or barcode in under a second—easily recognizing codes even in low light, or those that are blurry or complex. Instantly open web links, connect to Wi-Fi, save contacts, or view product details. No waiting—just quick, simple operation. AI Scanning & Real-Time Translation Encountering foreign language menus, signs, or printed articles? Simply point your camera and snap a photo. Get accurate translations of multilingual text—perfect for travel, study, and daily reading. Powerful OCR Text Extraction Extract text from paper documents, receipts, posters, and photos with a single tap. Convert image text into editable digital text. Copy, share, or export the extracted content without the need for manual re-typing. ID & Document Scanning and Storage Digitize your certificates, ID cards, receipts, and notes. Crop precisely and save high-quality scans locally for quick access anytime, anywhere. Create Custom QR Codes Instantly Convert photos, GIFs, or text into dynamic QR codes. Share contact details, messages, Wi-Fi passwords, or web links—create your own personalized digital business card in seconds. Why Choose Shark Scan? · Lightning-fast QR and barcode scanning with accurate recognition, even in low light · Support for translating multilingual printed content · Precise OCR technology to convert images into editable text · Document and ID scanning features with auto-optimization and local storage · Core features are completely free with a clean, intuitive interface · Privacy-first: Your scan data is stored only on your device Download Shark Scan today—your smart daily assistant for effortless scanning, text extraction, translation, and document digitization.
PDF Reader
Transform your smartphone into a powerful PDF scanner and editor. Easily convert images and documents to PDF, or convert PDFs to other formats. Protect your files with encryption and share them securely.
- Scan documents
- Convert images to PDF
- Convert PDF to other formats
- Crop image sizes
- Share documents
- Add watermark
- File encryption
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Turbo PDF: Scanner & Editor is a highly reliable scanner application that effectively transforms your smartphone into a robust PDF scanner. This application enables seamless conversion of photos and pictures into PDF format with a simple and convenient touch function. Features of the Turbo PDF: Scanner & Editor Scan your documents, crop image sizes. Convert images to PDF format. Convert pdf to other formats. Efficient and user-friendly scanning experience with a quick and convenient interface. Share documents via social media, add watermark. File encryption to protect your privacy. By using our app you can seamlessly convert photos and documents to PDF, or convert pdf to other file formats. Turbo PDF: Scanner & Editor is the premier PDF converter that makes working with scanned documents extremely easy. Privacy Policy: https://www.turbopdftool.com/privacyPolicy.html For any feedback or queries, please contact us at mailto:turbopdf@outlook.com
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 (56% vs 25%). On price, 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. That said, the two scores are not equally well evidenced: PDF Reader has 4.4K ratings behind it against 107, so its average is the more settled of the two. Written reviews point the same way: 25% of Shark Scan's written reviews are positive against 56% of PDF Reader's.
Shark Scan ships an update every 2 weeks, PDF Reader weekly. Both last shipped on October 24, 2026.
| Parameter | Shark Scan | PDF Reader |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (107 ratings) | 4.7 (4.4K ratings) — better |
| Positive reviews | 25.0% of reviews | 55.9% of reviews — better |
| Number of ratings | 107 | 4.4K — better |
| Update frequency | Every 2 weeks | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Best chart rank | — | #180 — better |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 49 MB | 69 MB |
| Age rating | 4+ | 4+ |
| Developer | Chengdu Dance Elephant Technology Co., LTD. | SPARK TECH LIMITED |
Customer experience
Shark Scan
PDF Reader
Bugs and requests
Shark Scan
Not enough reviews yet to summarise bugs or requests.
PDF Reader
Reported bugs
3 issues- Login issues
- Compatibility problems with newer devices
- Frequent crashes and freezes
Requested features
3 requests- More customization options
- Improved privacy controls
- Better customer support
In-app purchases
Shark Scan
No in-app purchases
PDF Reader
No in-app purchases






