Comparison

PDF Master vs Image to PDF Convertor,Scanner

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

Head to head
About

PDF Master

Transform your mobile device into a powerful PDF editor and scanner. Convert various file types to PDF, edit documents, add signatures, merge files, and secure sensitive information with passwords. Enjoy on-device processing for enhanced privacy.

Highlights
  • Convert Word, Excel, PowerPoint, and images to PDF
  • Scan documents with OCR for searchable text
  • Edit, comment, and e-sign PDFs
  • Merge and split PDF files
  • Compress documents
  • Password protect sensitive files
  • On-device processing for privacy
Features
Read full description

Convert, edit & e-sign PDFs in seconds. Scan paper into searchable text with lightning-fast OCR. Merge, compress & protect documents wherever you are. PDF Master turns your iPhone and iPad into a complete PDF workstation: • Convert Word, Excel, PowerPoint and images to professional-quality PDFs • Export PDFs back to Office formats whenever you need to update them • Scan to PDF with automatic edge detection and shadow removal • OCR any page so text can be copied or searched • Edit & Sign – highlight, comment, fill forms and add legally binding e-signatures • Merge & Split – reorder pages or combine multiple files in seconds • Compress large documents for easy sharing without losing clarity • Secure sensitive files with passwords—or unlock PDFs you own Why PDF Master? • Instant, lossless conversions that keep original layout • Batch tools built for busy students and professionals • 100 % on-device processing—your documents never leave your phone • Clean, intuitive interface with zero learning curve Ideal for students, professionals, and anyone who works with documents regularly. Subscription Terms: We offer flexible VIP subscription plans including weekly, monthly, and yearly options. Prices may vary depending on your region and will be clearly displayed in the app. Subscriptions can be managed and canceled at any time via your Apple ID settings. Your subscription will automatically renew unless canceled at least 24 hours before the end of the current period. Legal & Support • Privacy Policy:https://docs.qq.com/doc/DZFVVd1NtR2RQYm90 • Terms of Use:https://docs.qq.com/doc/DZERMRnF1VHhVZktB • Technical Support:https://docs.qq.com/doc/DZEJwTXR2dldWUmpP

About

Image to PDF Convertor,Scanner

Convert PDF documents into editable Word, Excel, PPT, and TXT files. This professional software offers stable performance and high-quality conversion to meet your document editing needs.

Highlights
  • Convert PDF to Word
  • Convert PDF to Excel
  • Convert PDF to PPT
  • Convert PDF to TXT
  • One-click conversion
  • Stable performance
Features
Read full description

A professional PDF conversion software that can easily convert PDF documents into editable Word/Excel/PPT/TXT and other documents. It supports one-click convenient conversion, stable performance and professional file format processing system to meet users' high-quality conversion needs!

Screenshots

PDF Master4 screens
Image to PDF Convertor,Scanner4 screens

Verdict

The call

The clearest difference is rating: PDF Master at 5.0 against Image to PDF Convertor,Scanner's 3.7. Image to PDF Convertor,Scanner's advantage is in-app purchases (none vs 6) and ratings volume (6 vs 1). On price, update cadence, ads 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 Master sells 6 in-app purchases, starting at $0.99 per 7 days. Image to PDF Convertor,Scanner asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

PDF Master holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Image to PDF Convertor,Scanner has 6 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

PDF Master ships an update every 15 months, Image to PDF Convertor,Scanner every 14 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard5 real differences · 5 level
PDF Master versus Image to PDF Convertor,Scanner: the parameters behind the verdict, then further details
ParameterPDF MasterImage to PDF Convertor,Scanner
PriceFreeFree
Rating5.0 (1 ratings) — better3.7 (6 ratings)
Positive reviews—0.0% of reviews
Number of ratings16 — better
Update frequencyEvery 15 monthsEvery 14 months — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.013.0 — better
Further details — not scored
Size8 MB5 MB
Age rating4+4+
Developer程 张深圳市影盟科技有限公司

In-app purchases

6 purchases

PDF Master

Subscriptions6
  • PDF转换器Pro周VIP3 Days trial$0.997 Days
  • PDF转换器Pro月会员3 Days trial$3.991 Month
  • Weekly PDF Premium7 Days trial$7.997 Days
Show 3 more
  • PDF转换器Pro年会员3 Days trial$12.991 Year
  • Monthly PDF Premium$12.991 Month
  • Annual PDF Premium$29.991 Year
None

Image to PDF Convertor,Scanner

No in-app purchases

Questions

Is PDF Master free?
PDF Master is free to download, with in-app purchases available.
Is Image to PDF Convertor,Scanner free?
Image to PDF Convertor,Scanner is free to download, with no in-app purchases.
Which has better reviews, PDF Master or Image to PDF Convertor,Scanner?
PDF Master is rated higher. PDF Master averages 5.0 out of 5 from 1 ratings, while Image to PDF Convertor,Scanner averages 3.7 from 6 ratings.
Do PDF Master or Image to PDF Convertor,Scanner have ads?
Neither PDF Master nor Image to PDF Convertor,Scanner shows ads.
Which is updated more often, PDF Master or Image to PDF Convertor,Scanner?
PDF Master ships an update every 15 months, and Image to PDF Convertor,Scanner every 14 months. Most recently, PDF Master was updated on November 3, 2026 and Image to PDF Convertor,Scanner on October 30, 2026.

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