Comparison

PDF Reader Pro for Document vs Scan to PDF Scanner

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

Head to head
About

PDF Reader Pro for Document

This app provides a fast and secure way to view PDF documents on your mobile device. It allows you to open and read PDFs, access scanned documents, and share files in various formats like PDF and Word.

Highlights
  • View PDF documents
  • Access scanned PDFs
  • Share as PDF/Word
  • Reading mode
  • Upload documents
Features
Read full description

PDF Reader Pro for Document helps you finish real PDF work on iPhone: read a report before a meeting, mark up a contract, turn a PDF into an Office file, or send just the pages someone needs. Read PDFs in a clean mobile viewer built for everyday documents: business reports, agreements, class notes, research papers, proposals, receipts, and more. Mark up what matters with highlights, underlines, strikethroughs, ink, shapes, and text notes. Select existing annotations to remove them, or update FreeText notes when your comments change. Convert PDFs to Word, Excel, PPT, or images when you need reusable files for work, school, or sharing. Encrypted PDFs are detected before conversion, so protected documents stay out of the conversion flow. Organize pages without going back to a desktop. Reorder pages, delete unwanted pages, merge documents, split files, or export only the pages you need. Free users can read and annotate PDFs, with limited conversion access. VIP unlocks full conversion plus advanced page tools. Download PDF Reader Pro for Document and make PDF work simpler on iPhone. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Scan to PDF Scanner

Easily scan documents, convert images to PDF, and protect your files with passwords. This tool allows for quick creation, management, and sharing of PDF documents for various everyday needs.

Highlights
  • Scan photos to PDF
  • Convert images to PDF
  • Protect PDFs with passwords
  • Unlock protected PDFs
  • Share PDFs easily
  • Create PDFs from receipts and notes
Features
Read full description

Search every PDF, including scanned pages. ORGANIZE YOUR LIBRARY Create folders, add reusable tags, mark favorites, and sort PDFs your way. Manage multiple documents at once. PDFs in folders stay available in All Documents, and deleted files can be restored for up to 30 days. ScanlyGo reads existing PDF text and uses on-device OCR for scanned pages. Search for a name, invoice number, phrase, or receipt, then jump straight to the matching page. Import PDFs and images from Files or Photos, or scan a new document with your camera. SCAN DOCUMENTS Capture receipts, notes, homework, contracts, invoices, and forms as clean PDFs. CONVERT IMAGES TO PDF Turn JPG, PNG, and photos into single-page or multi-page PDFs. SEARCH WITH OCR Find text inside your PDF library, including image-only scans. OCR processing stays on your device. SIGN PDF PAGES Create reusable signatures and place them on PDF pages. MERGE AND REORDER Combine PDFs, rearrange pages, and add pages from scans or images. COMPRESS AND SPLIT Reduce PDF file size or extract selected pages into new files. PROTECT AND UNLOCK Add password protection, or unlock a protected PDF when you have permission. FREE AND PREMIUM Use unlimited one-page scanning, one-page image-to-PDF conversion, and one-page signing for free. Premium unlocks multi-page workflows and advanced PDF tools. Terms of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy https://scanlygo.com/privacy/

Screenshots

PDF Reader Pro for Document4 screens
Scan to PDF Scanner4 screens

Verdict

The call

The clearest difference is ads: Scan to PDF Scanner at none against PDF Reader Pro for Document's shown. PDF Reader Pro for Document's advantage is rating (4.7 vs 4.5) and ratings volume (386 vs 31). On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PDF Reader Pro for Document sells 2 in-app purchases, starting at $6.99 per month and Scan to PDF Scanner sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

PDF Reader Pro for Document holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: PDF Reader Pro for Document has 386 ratings behind it against 31, so its average is the more settled of the two.

UpkeepUpdate frequency

PDF Reader Pro for Document ships an update every 3 weeks, Scan to PDF Scanner fortnightly. The most recent releases landed on October 25, 2026 and October 20, 2026 respectively.

Scorecard4 real differences · 6 level
PDF Reader Pro for Document versus Scan to PDF Scanner: the parameters behind the verdict, then further details
ParameterPDF Reader Pro for DocumentScan to PDF Scanner
PriceFreeFree
Rating4.7 (386 ratings) — better4.5 (31 ratings)
Positive reviews86.3% of reviews—
Number of ratings386 — better31
Update frequencyEvery 3 weeksFortnightly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.6 — better16.0
Further details — not scored
Size73 MB17 MB
Age rating4+4+
DeveloperFan Technology LimitedSaid Rehouni

Customer experience

PDF Reader Pro for Document

All ratings367 ratings
Positive93.2%
Neutral1.6%
Negative5.2%
Written reviews146 reviews
Positive86.3%
Neutral3.4%
Negative10.3%

Scan to PDF Scanner

All ratings31 ratings
Positive87.1%
Neutral3.2%
Negative9.7%

Bugs and requests

PDF Reader Pro for Document

Reported bugs

6 issues
  • App crashes and freezes during use
  • Cannot open downloaded PDF files
  • File deletion not working properly
  • Does not save last opened page
  • Poor performance on small phone screens
Show 1 more
  • Compatibility issues with older iOS versions

Requested features

8 requests
  • Add landscape mode orientation
  • Implement font size adjustment options
  • Add page number search functionality
  • Save last opened page position
  • Add PDF editing capabilities
Show 3 more
  • Optimize for iPad display format
  • Move top navigation bar to bottom
  • Improve file deletion functionality

Scan to PDF Scanner

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

PDF Reader Pro for Document

Subscriptions2
  • PDF Reader Pro Monthly$6.991 Month
  • PDF Reader Pro Yearly7 Days trial$39.991 Year
3 purchases

Scan to PDF Scanner

Subscriptions2
  • PDF Scanner and Converter$1.997 Days
  • PDF Scanner and Converter$19.991 Year
One-time1
  • PDF Scanner and Converter Life time$34.99

Questions

Is PDF Reader Pro for Document free?
PDF Reader Pro for Document is free to download, with in-app purchases available.
Is Scan to PDF Scanner free?
Scan to PDF Scanner is free to download, with in-app purchases available.
Which has better reviews, PDF Reader Pro for Document or Scan to PDF Scanner?
PDF Reader Pro for Document is rated higher. PDF Reader Pro for Document averages 4.7 out of 5 from 386 ratings, while Scan to PDF Scanner averages 4.5 from 31 ratings.
Do PDF Reader Pro for Document or Scan to PDF Scanner have ads?
PDF Reader Pro for Document shows ads; Scan to PDF Scanner does not.
Which is updated more often, PDF Reader Pro for Document or Scan to PDF Scanner?
PDF Reader Pro for Document ships an update every 3 weeks, and Scan to PDF Scanner fortnightly. Most recently, PDF Reader Pro for Document was updated on October 25, 2026 and Scan to PDF Scanner on October 20, 2026.

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