Comparison

PDF Master vs Image to PDF Easy

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

Head to head
About

PDF Master

This app is a comprehensive PDF tool for iPhone and iPad users. It offers editing, conversion, scanning, reading, and signing capabilities in a single, user-friendly interface. Streamline your document management for work, study, or daily tasks.

Highlights
  • Professional PDF editing and annotation
  • Convert PDFs to/from Word, Excel, PPT, Images, TXT
  • HD mobile scanner with OCR
  • Image to PDF conversion
  • Smooth PDF reader and file manager
  • Electronic and handwritten signatures
Features
Read full description

PDF Master: Your All-in-One PDF Expert for Seamless Document Management! Struggling with complex PDF tasks? PDF Document Assistant is a professional-grade utility designed for iPhone and iPad users. It combines editing, converting, scanning, reading, and signing into one powerful app, helping you handle any PDF challenge with ease. Whether for work, study, or daily life, say goodbye to complicated workflows and enjoy a faster, smarter experience! Key Features: 【Professional PDF Editor】 Modify PDF content effortlessly. Use a full suite of annotation tools including text, images, highlights, underlines, and shapes. Quickly add handwritten or electronic signatures to sign contracts on the go. Manage pages by deleting, adding, or reordering them to perfect your document structure. 【Powerful PDF Converter】 Our high-performance engine supports precise conversion between PDF and Word, Excel, PPT, Images, and TXT. You can also turn any document or photo into a PDF with a single tap. We ensure your layouts remain intact and professional without any formatting errors. 【HD Mobile Scanner】 Turn your phone into a professional scanner! Capture contracts, receipts, books, or IDs and instantly generate high-definition PDFs. Features include automatic edge detection, image optimization, and OCR text recognition to extract text from images easily. 【Image to PDF Maker】 Quickly merge multiple photos into a single PDF document. Perfect for saving and sharing collections of photos, screenshots, or scanned pages with customizable layouts. 【Smooth Reader & File Manager】 Enjoy a fluid reading experience with support for importing files from WeChat, QQ, and local storage. Features include zoom, rotation, and Dark Mode for comfortable viewing. Stay organized with an intelligent file management system using tags and folders. Why Choose PDF Master? All-in-One Efficiency: Everything you need for PDFs in one place—no more switching between multiple apps. Intuitive Design: A clean, user-friendly interface that anyone can master in seconds. Precision & Stability: High-quality conversion and scanning technology that preserves every detail. Secure & Private: We prioritize your document privacy, ensuring your data stays safe. Download PDF Master today and transform the way you work with documents! Subscription Information: Payment will be charged to your iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Account will be charged for renewal within 24 hours prior to the end of the current period. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. Privacy & Terms: Privacy Policy: http://www.palmmob.cn/yinsi/pdfiosyinsi.html Terms of Use: http://www.palmmob.cn/yinsi/pdfyonghu.html

About

Image to PDF Easy

Features
Read full description

Image to PDF, flexible layout, no image quantity limit, supports adding anti-theft watermarks, PDF file encryption, unlimited image addition, batch management of PDF files, easy operation, and simple use. A professional tool for converting images to PDF files, and supports importing images from a computer. The generated PDF files can also be saved to a computer. Support templated layout Supports setting the direction for a specific page, and supports page sizes such as A4, A5, A3, etc. Support global page orientation settings. Support flexible and convenient PDF management, multiple editing, adding and deleting images.

Screenshots

PDF Master4 screens
Image to PDF Easy3 screens

Verdict

The call

The clearest difference is iOS requirement: PDF Master at 13.0 against Image to PDF Easy's 15.6. 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. PDF Master sells 10 in-app purchases, starting at $2.99 per 7 days and Image to PDF Easy sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

Scorecard1 real difference · 9 level
PDF Master versus Image to PDF Easy: the parameters behind the verdict, then further details
ParameterPDF MasterImage to PDF Easy
PriceFreeFree
Rating5.0 (3 ratings) — better—
Positive reviews40.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.0 — better15.6
Further details — not scored
Size27 MB24 MB
Age rating4+4+
DevelopershellmobWuhan Zhiya Technology Co., Ltd.

In-app purchases

10 purchases

PDF Master

Subscriptions7
  • PDF Converter Premium Weekly$2.997 Days
  • PDF Converter Premium Monthly$3.991 Month
  • PDF Photos Premium Monthly$4.991 Month
Show 4 more
  • PDF Converter Premium Yearly$9.991 Year
  • PDF Photos Premium Quarterly$9.996 Months
  • PDF Photos Premium Yearly$9.991 Year
  • PDF Photos Premium Yearly$12.991 Year
One-time3
  • PDF Converter Premium Lifetime$14.99
  • PDF Converter Premium Lifetime$19.99
  • PDF Converter Premium Lifetime$29.99
1 purchases

Image to PDF Easy

One-time1
  • 赞助一下$0.99

Questions

Is PDF Master free?
PDF Master is free to download, with in-app purchases available.
Is Image to PDF Easy free?
Image to PDF Easy is free to download, with in-app purchases available.
Do PDF Master or Image to PDF Easy have ads?
Neither PDF Master nor Image to PDF Easy shows ads.
Which is updated more often, PDF Master or Image to PDF Easy?
PDF Master ships an update every 2 months, and Image to PDF Easy every 2 months. Most recently, PDF Master was updated on November 3, 2026 and Image to PDF Easy on November 7, 2026.

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