Comparison

PDF Expert Viewer vs Document Scanner

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

Head to head
About

PDF Expert Viewer

Features
Read full description

PDF Expert Viewer – Simple PDF Reader View PDFs with Ease PDF Expert Viewer is a lightweight, no-frills app for viewing PDF documents on your device. Open and read your files quickly without distractions. Key Features: Fast and smooth PDF viewing Zoom in/out and scroll seamlessly Resume reading where you left off Minimal design with no unnecessary features Simple & Reliable Small app size, low storage usage Works offline Just Open and Read Perfect for: Reading ebooks and articles Viewing work documents Checking reports and forms Free to Use Download now and enjoy a straightforward PDF reading experience. [Download Now] PDF Expert Viewer – Keep it simple. Just read.

About

Document Scanner

Easily scan, convert, and edit all your PDF files on mobile. Turn paper documents into high-quality PDFs, sign contracts, and secure your files with passwords. Organize, view, and share documents efficiently.

Highlights
  • Scan and convert documents to PDF
  • Smart ID and document scanning
  • Edit, sign, and secure PDFs
  • Organize, view, and share files
  • Image to PDF conversion
  • Password protection for PDFs
Features
Read full description

Document Scanner - PDF Editor is your essential PDF scanner, PDF converter, and PDF editor tool to handle all PDF file, scan documents, and edit PDF needs on mobile. Whether it’s passport, identity card, business card, or any paper documents, turn them into high-quality PDF documents in seconds with this powerful mobile PDF scanner. Term of use: https://sangmd.netlify.app Key Features of this PDF Editor app: Scan & Convert Documents: Use image to PDF, scan to PDF, or photo scan to convert your paper documents into high-quality PDF file using a reliable pdf scanner or document scanner. Auto-crop, rotate, reorder, and export. Convert word to PDF, PDF to long image, PDF to image, or extract images from PDF file. Smart ID & Document Scanner: Scan ID cards, passport, and bank cards using predefined templates with this powerful PDF document scanner and mobile PDF scanner. Apply filters, watermark, and precise crop to enhance clarity. Whether you're using a document scanner, scanner PDF, or need a portable document scanner, this tool ensures reliable results when you scan documents or scan PDF file. Edit, Sign & Secure: With PDF editor reader, you can edit PDF, annotate, highlight, strike-through, or copy text. Insert or delete pages, add images, or create notes. Use PDF sign to sign contracts and documents.Lock pdf file with password and unlock pdf when needed. This PDF editor, combined with a PDF reader and PDF manager, gives you full control over your PDF file Organize, View, and Share: Use this PDF viewer and document reader to view files in vertical/horizontal mode. Rename, print, or share PDF files. Browse view PDF file, office PDF, excel viewer, docx file, PPT - all in one place. Why You’ll Love this Document Scanner - PDF Editor? Combines PDF editor, PDF converter, PDF maker, and PDF scanner Works as PDF reader, PDF manager, and document viewer Supports mobile PDF scanner, scanner PDF, PDF document scanner, and reader edit PDF Designed for freelancers, students, business users needing a smart PDF scanner, easy PDF editor, and fast PDF converter Fast, all-in-one document reader PDF tool Experience smart, easy, and powerful PDF scan, edit PDF, and convert image features - all from your phone with Document Scanner - PDF Editor. Term of use: https://sangmd.netlify.app Privacy policy: https://sites.google.com/view/sangmd-policy

Screenshots

PDF Expert Viewer4 screens
Document Scanner4 screens

Verdict

The call

The clearest difference is in-app purchases: PDF Expert Viewer at none against Document Scanner's 4. Document Scanner's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement 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. Document Scanner sells 4 in-app purchases, starting at $1.99 per 7 days. PDF Expert Viewer asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on September 24, 2026 and September 1, 2026 respectively.

Scorecard2 real differences · 7 level
PDF Expert Viewer versus Document Scanner: the parameters behind the verdict, then further details
ParameterPDF Expert ViewerDocument Scanner
PriceFreeFree
Rating—4.8 (5 ratings) — better
Number of ratings—5 — better
Update frequencyWeeklyWeekly
AdsYesNo — better
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPod
Requires iOS1514.0 — better
Further details — not scored
Size64 MB168 MB
Age rating17+4+
DeveloperChengdu Doudou Oasis Network Technology Co.,LtdMai Duc Sang

In-app purchases

None

PDF Expert Viewer

No in-app purchases

4 purchases

Document Scanner

Subscriptions4
  • Weekly Premium3 Days trial$1.997 Days
  • Weekly Premium$6.997 Days
  • Weekly Premium3 Days trial$6.997 Days
Show 1 more
  • Yearly Premium$9.991 Year

Questions

Is PDF Expert Viewer free?
PDF Expert Viewer is free to download, with no in-app purchases.
Is Document Scanner free?
Document Scanner is free to download, with in-app purchases available.
Do PDF Expert Viewer or Document Scanner have ads?
PDF Expert Viewer shows ads; Document Scanner does not.
Which is updated more often, PDF Expert Viewer or Document Scanner?
PDF Expert Viewer ships an update weekly, and Document Scanner weekly. Most recently, PDF Expert Viewer was updated on September 24, 2026 and Document Scanner on September 1, 2026.

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