Comparison

PDF Expert Viewer vs PDF Hub

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

PDF Hub

This app offers a comprehensive suite of tools to manage PDF documents on your iPhone and iPad. Easily scan, compress, split, merge, add watermarks, and convert images to PDF, all processed locally on your device for enhanced privacy.

Highlights
  • Scan documents to PDF
  • Compress PDF file size
  • Split and merge PDF files
  • Add custom watermarks
  • Convert images to PDF
  • Offline processing
Features
Read full description

Transform the way you work with PDFs on your iPhone and iPad. PDF Hub is your complete PDF toolkit that makes document management effortless and professional. * Scan to PDF Instantly convert physical documents into high-quality digital PDFs using your device camera. Perfect for receipts, contracts, notes, and more. * Compress PDF Reduce file sizes without compromising quality. Choose from high, medium, or low compression levels to balance quality and file size for your needs. * Split PDF Extract specific pages or split large PDFs into smaller documents. Organize your files exactly the way you want. * Merge PDF Combine multiple PDF files into a single document. Streamline your workflow by consolidating related documents. * Add Watermark Protect your documents with custom watermarks. Add text or image watermarks to maintain ownership and prevent unauthorized use. * Image to PDF Convert photos and images into professional PDF documents. Support for multiple image formats and batch conversion. Why Choose PDF Hub? All-in-One Solution - Six powerful tools in one beautiful app Privacy First - All processing happens on your device. Your files never leave your phone Lightning Fast- Optimized performance for quick results Intuitive Design - Clean, modern interface that's easy to use No Internet Required- Work offline anytime, anywhere Professional Results - High-quality output suitable for business and personal use Perfect For: • Business professionals managing contracts and reports • Students organizing study materials and assignments • Freelancers handling client documents • Anyone who works with PDFs regularly Privacy & Security: Your privacy matters. PDF Hub processes all documents locally on your device. We don't collect, store, or transmit your files to any server. Your documents stay yours. Download PDF Hub today and experience the easiest way to work with PDFs on iOS!

Screenshots

PDF Expert Viewer4 screens
PDF Hub4 screens

Verdict

The call

The clearest difference is iOS requirement: PDF Expert Viewer at 15 against PDF Hub's 17. On price, update cadence, ads and in-app purchases 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.

UpkeepUpdate frequency

PDF Expert Viewer ships an update weekly, PDF Hub every 6 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

Scorecard1 real difference · 8 level
PDF Expert Viewer versus PDF Hub: the parameters behind the verdict, then further details
ParameterPDF Expert ViewerPDF Hub
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyWeeklyEvery 6 days — better
AdsYesYes
In-app purchasesNoNo
Monetization—Ad-supported
DevicesiPhone, iPod — betteriPhone
Requires iOS15 — better17
Further details — not scored
Size64 MB87 MB
Age rating17+4+
DeveloperChengdu Doudou Oasis Network Technology Co.,Ltd通县 王

In-app purchases

None

PDF Expert Viewer

No in-app purchases

None

PDF Hub

No in-app purchases

Questions

Is PDF Expert Viewer free?
PDF Expert Viewer is free to download, with no in-app purchases.
Is PDF Hub free?
PDF Hub is free to download, with no in-app purchases.
Do PDF Expert Viewer or PDF Hub have ads?
Both PDF Expert Viewer and PDF Hub show ads.
Which is updated more often, PDF Expert Viewer or PDF Hub?
PDF Expert Viewer ships an update weekly, and PDF Hub every 6 days. Most recently, PDF Expert Viewer was updated on October 28, 2026 and PDF Hub on October 25, 2026.

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