Comparison

PDF Scanner Pro vs QuarkPDF

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

Head to head
About

PDF Scanner Pro

Transform your mobile device into a portable scanner and powerful PDF converter. Easily digitize documents, photos, and IDs, with features for editing, signing, and secure local storage. Convert various file formats to PDF in seconds.

Highlights
  • Portable scanner app
  • OCR text recognition
  • Convert photo to PDF
  • Sign and stamp documents
  • Built-in PDF editor
  • Secure local data storage
Features
Read full description

Looking for a Scanner App? Discover the most advanced all-in-one Scanner App and powerful pdf converter! Turn your mobile device into a portable scanner app that automatically recognizes text (OCR) and lets you scan documents, scan to pdf, and convert photo to pdf in seconds. Say goodbye to bulky copy machines and embrace a paper-free life with this ultra-fast, scanner app. If you’re wondering how scan documents with iPhone or asking can I turn a photo into a pdf on iPhone, this app makes it simple to turn picture into pdf, photo to pdf iPhone, or image to pdf iPhone instantly. All your scanned documents are securely stored on your device—never sent to external servers. FEATURES FREE PDF & DOCUMENT SCANNER APP Powerful scanner app and free scanner app uses your device’s camera to digitize all kinds of paper documents: receipts, notes, invoices, whiteboard discussions, business cards, certificates. OPTIMIZE SCAN QUALITY Enjoy smart cropping and auto-enhancing features that ensure your photo scans are clear and sharp, with premium colors and resolutions, making photo to pdf and picture to pdf conversions look professional. VARIOUS SCANNING MODES Document Scanner: Scan physical paper documents with 100% precision using the state-of-the-art auto side detection feature, converting them into PDF files with instant scan to pdf support. ID Card & Passport Scanner: Quickly and easily scan ID documents with this dedicated mode. Cam Scanner: Use your camera to scan in real-time and convert photo to pdf or turn picture into pdf immediately. PDF CONVERTER Create PDFs from anything and convert documents in multiple formats to PDF with our advanced pdf converter, turn into pdf free Photo to PDF: Capture photos and convert photo to pdf or photo to pdf iPhone effortlessly. Image to PDF: Upload images and convert image to pdf or image to pdf iPhone in seconds. Picture to PDF: Take pictures and turn picture into pdf or picture to pdf instantly. Scan to PDF: Scan any paper document and scan to pdf without extra steps. Supported formats: PDF, JPG, DOC, DOCX, TXT, XLS, XLSX,, PPT. Easily convert jpg to pdf, jpg to pdf, convert photo to pdf, photo to pdf, image to pdf, picture to pdf. SIGN & STAMP ON THE GO Draw, scan, or import your signature into the app. With just a few taps, you can sign and convert any document into a PDF, ready to share instantly after you scan documents. BUILT-IN PDF EDITOR Polish your scans effortlessly with our built-in editor, offering features like cropping, brightness adjustment, contrast tuning, text extraction, text editing, and more after you convert photo to pdf or turn picture into pdf. DATA SECURITY Rest easy knowing your data is private. All documents are stored and processed only on your device, with no uploads to servers. We ensure 100% data security by restricting any outgoing data, making this app the most secure choice for your files.

About

QuarkPDF

Easily manage PDF files with tools to merge, split, convert to images, and optimize scanned documents. Streamline your workflow with a simple interface for efficient document processing.

Highlights
  • Merge multiple PDF files
  • Split PDFs into separate pages
  • Convert PDF to image format
  • Optimize scanned documents
  • Easy-to-use interface
Features
Read full description

Are you still troubled by the operation of PDF files? Quank PDF provides you with a simple and practical solution to quickly merge, split, convert, or optimize scanned documents, making document processing easy and effortless. PDF Merge: One click integration of multiple files Do you need to merge multiple PDFs into one? After adding multiple PDF files, the page size and layout will be automatically unified, and the merged file will be neat and orderly, making reading more convenient. PDF Splitting: Accurately Extract the Required Content After selecting the PDF file, it will be split into separate pages according to the content of the PDF file, making it easier to share a single PDF. PDF to image conversion: convenient for sharing and use Convert PDF to image. Both mobile preview and printing needs can be met, with clear text and no distortion in layout after conversion. Scan PDF optimization: Blurred files become clearer Tilted files or old scanned documents captured by mobile phones. The optimized file can be directly printed or OCR recognized for text, saving time and effort. Why choose Quank PDF? -Easy to operate: clear interface, clear functions at a glance, even beginners can quickly get started -Efficient and convenient: Merge, split, and convert in just a few steps, saving a lot of time Download Quank PDF now and experience efficient document processing!

Screenshots

PDF Scanner Pro4 screens
QuarkPDF4 screens

Verdict

The call

The clearest difference is rating: QuarkPDF at 5.0 against PDF Scanner Pro's 4.2. PDF Scanner Pro's advantage is update cadence (every 2 weeks vs every 4 months) and ratings volume (23 vs 5). On price, ads, in-app purchases and monetization model 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

QuarkPDF holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 23 and 5 respectively.

UpkeepUpdate frequency

PDF Scanner Pro ships an update every 2 weeks, QuarkPDF every 4 months. The most recent releases landed on November 12, 2026 and November 4, 2026 respectively.

Scorecard3 real differences · 7 level
PDF Scanner Pro versus QuarkPDF: the parameters behind the verdict, then further details
ParameterPDF Scanner ProQuarkPDF
PriceFreeFree
Rating4.2 (23 ratings)5.0 (5 ratings) — better
Positive reviews25.0% of reviews—
Number of ratings23 — better5
Update frequencyEvery 2 weeks — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS14.013.0 — better
Further details — not scored
Size76 MB39 MB
Age rating17+4+
DeveloperZHONGZHI YOLO HK LIMITEDBeya Network Technology Limited

Customer experience

PDF Scanner Pro

All ratings23 ratings
Positive78.3%
Neutral0.0%
Negative21.7%
Written reviews4 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

QuarkPDF

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

PDF Scanner Pro

No in-app purchases

None

QuarkPDF

No in-app purchases

Questions

Is PDF Scanner Pro free?
PDF Scanner Pro is free to download, with no in-app purchases.
Is QuarkPDF free?
QuarkPDF is free to download, with no in-app purchases.
Which has better reviews, PDF Scanner Pro or QuarkPDF?
QuarkPDF is rated higher. PDF Scanner Pro averages 4.2 out of 5 from 23 ratings, while QuarkPDF averages 5.0 from 5 ratings.
Do PDF Scanner Pro or QuarkPDF have ads?
Neither PDF Scanner Pro nor QuarkPDF shows ads.
Which is updated more often, PDF Scanner Pro or QuarkPDF?
PDF Scanner Pro ships an update every 2 weeks, and QuarkPDF every 4 months. Most recently, PDF Scanner Pro was updated on November 12, 2026 and QuarkPDF on November 4, 2026.

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