Comparison

Combine PDF vs Quick Image PDF Resizer

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

Head to head
About

Combine PDF

Features
Read full description

Combine PDF - Merge PDF is your all-in-one PDF toolkit for combining documents, edit pages, compress files, add watermarks, scan papers, and manage everything in one clean app. Whether you're merging reports for work, organizing study notes, preparing business documents, managing contracts, combining invoices, or creating shareable PDF files, Merge PDF makes it fast and simple. Pick files from the Files app, reorder them, and combine into a single PDF in just a few taps. Designed for students, professionals, teachers, business owners, office workers, freelancers, and everyday users, Merge PDF provides powerful PDF tools in a simple and intuitive interface. MERGE PDF FILES 
• Combine multiple PDFs into one document
 • Import files from Files with multi-select
 • Drag to reorder before merging
 • Remove unwanted files from the list
 • Share your merged PDF instantly
 • Auto-saved to My Creation for easy access
 
• Quickly organize files before exporting
 • Preserve original PDF quality during merging
 EDIT & ANNOTATE
 • Highlight text with color options
 • Draw freehand notes on any page
 • Add and reposition text anywhere
 • Select and copy text from PDFs
 • Undo annotations and save a new copy
 • Mark important sections for review
 • Add comments and visual notes to documents
 • Ideal for study material, contracts, manuals, and reports
 • Create personalized annotated PDF copies READ & VIEW
 • Built-in PDF reader with smooth scrolling
 • Open password-protected documents
 • Quickly browse multi-page PDFs
 • Read documents comfortably on iPhone and iPad
 • Smooth navigation between pages
 • View documents without needing third-party apps SPLIT & ORGANIZE
 • Split by fixed page count or custom ranges (e.g. 1–3, 5, 8–10)
 • Rearrange pages with drag-and-drop
 • Remove unwanted pages
 • Rotate all pages 90°, 180°, or 270°
 • Create smaller PDFs from larger documents
 • Organize pages exactly how you need them
 • Remove unnecessary content before sharing
 • Prepare custom document versions for clients, teams, or personal use WATERMARK, STAMP & PAGE NUMBERS
 • Add custom watermarks with opacity, size, and angle control
 • Single or tiled watermark across every page
 • Add bold stamps like APPROVED or CONFIDENTIAL
 • Add "Page X of Y" numbers in your chosen position
 • Protect document ownership with custom branding
 • Apply consistent page numbering throughout documents
 • Customize watermark appearance for professional results
 • Great for business reports, contracts, and official documents CREATE PDFs
 • Convert photos to PDF
 • Scan documents with your camera and export as PDF
 • Choose A4 or Letter page size with adjustable margins
 • Turn receipts, notes, forms, and paperwork into PDFs
 • Create professional-looking PDF documents from images
 • Combine multiple photos into a single PDF file
 • Save and share scanned documents instantly
 • Perfect for digitizing paper documents COMPRESS & PROTECT
 • Reduce file size with Low, Medium, or High compression
 • Add password protection to secure your PDF
 • Remove password and save an unlocked copy
 • Share smaller files more easily
 • Optimize PDFs for email and online sharing
 • Protect sensitive documents from unauthorized access
 • Balance quality and file size according to your needs
 • Manage document security with ease PRINT & SHARE 
• Print PDFs with native iOS print options 
• Share any file via the iOS Share Sheet
 • Export files quickly and efficiently
 • Share work, study, and personal documents in seconds
 • Compatible with standard iOS sharing workflows MY CREATION
 • All exported PDFs saved in one place
 • Open, share, swipe to delete, or bulk delete
 • Re-open saved files in any tool
 • Easily manage previously created documents
 • Quickly locate recent exports
 • Keep your PDF organized
 Download Combine PDF - Merge PDF today and handle every PDF task in one app. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula

About

Quick Image PDF Resizer

Features
Read full description

Quick Image PDF Resizer is a fast, private, browser-based tool for resizing images, compressing files, converting formats, and handling common PDF tasks. It is designed for people who want simple results without complicated editing software. Whether you need an image resizer, image compressor, JPG to PNG converter, image to PDF tool, PDF to image converter, or a quick way to organize PDF pages, Quick Image PDF Resizer gives you a focused set of tools that help you get the job done quickly. Key features Resize images • Resize images to exact width and height • Use presets for common sizes like social media posts, story images, thumbnails, banners, and profile photos • Lock aspect ratio to keep the original proportions • Choose how the image fits the final size with contain, cover, or stretch options • Work with JPG, PNG, WebP, and AVIF files Compress images • Reduce image file size with adjustable quality • Preview the result before downloading • Compress JPG, PNG, WebP, and AVIF images • Optimize photos for sharing, uploading, and publishing • Process multiple files in a clean, simple workflow Convert image formats • Convert between JPG, PNG, WebP, and AVIF • Change formats for better compatibility, smaller file size, or transparent backgrounds • Use it as a JPG to PNG converter, PNG to JPG converter, WebP converter, or AVIF converter • Convert images directly in your browser without extra software Image to PDF • Turn one or more images into a single PDF • Reorder images before creating the final document • Choose A4, Letter, or fit-to-image output • Great for receipts, notes, scans, forms, and printable collections PDF to image • Export PDF pages as PNG or JPG images • Choose scale for sharper output • Download pages individually or as a set • Useful for previews, sharing, slides, and extracting visuals from PDFs Merge and split PDF • Combine multiple PDFs into one file • Remove pages you do not need • Reorder pages visually • Create a cleaner, organized PDF in fewer steps Remove image backgrounds • Cut out subjects from portraits, product photos, and simple scenes • Create transparent background images for design and content work • Get clean results without uploading files to a server Why users choose Quick Image PDF Resizer Quick Image PDF Resizer is built for speed, privacy, and simplicity. Your files are processed locally in your browser, so you can handle everyday image and PDF tasks without a complicated editor or a long upload process. It is ideal for: • Social media content creators • Students and office users • Online sellers and product photo prep • Designers and marketers • Anyone who needs a fast image resizer or PDF converter Common use cases • Resize photos for websites or social media • Compress images to reduce file size • Convert JPG to PNG or PNG to JPG • Save images as PDF documents • Extract PDF pages as images • Merge or split PDF files • Prepare product photos and profile pictures • Create consistent image sizes for publishing Quick Image PDF Resizer keeps the workflow straightforward so you can focus on the result. Drop in your files, choose the settings you want, and download your output right away. If you need a simple image resizer, image compressor, format converter, or PDF tool, Quick Image PDF Resizer brings the essentials together in one fast app.

Screenshots

Combine PDF4 screens
Quick Image PDF Resizer4 screens

Verdict

The call

The clearest difference is in-app purchases: Quick Image PDF Resizer at none against Combine PDF's 2. Quick Image PDF Resizer also leads on update cadence (every 2 days vs every 6 weeks). On price, ads, 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. Combine PDF sells 2 in-app purchases, starting at $1.99 per 7 days. Quick Image PDF Resizer asks for nothing beyond the download.

UpkeepUpdate frequency

Combine PDF ships an update every 6 weeks, Quick Image PDF Resizer every 2 days. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 4 level
Combine PDF versus Quick Image PDF Resizer: the parameters behind the verdict, then further details
ParameterCombine PDFQuick Image PDF Resizer
PriceFreeFree
Update frequencyEvery 6 weeksEvery 2 days — better
AdsYesYes
In-app purchasesYesNo — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.015.1 — better
Further details — not scored
Size17 MB24 MB
Age rating4+4+
DeveloperDonda ArvindbhaiTien Nguyen

In-app purchases

2 purchases

Combine PDF

Subscriptions1
  • Weekly Premium7 Days trial$1.997 Days
One-time1
  • Lifetime Premium Access$19.99
None

Quick Image PDF Resizer

No in-app purchases

Questions

Is Combine PDF free?
Combine PDF is free to download, with in-app purchases available.
Is Quick Image PDF Resizer free?
Quick Image PDF Resizer is free to download, with no in-app purchases.
Do Combine PDF or Quick Image PDF Resizer have ads?
Both Combine PDF and Quick Image PDF Resizer show ads.
Which is updated more often, Combine PDF or Quick Image PDF Resizer?
Combine PDF ships an update every 6 weeks, and Quick Image PDF Resizer every 2 days. Most recently, Combine PDF was updated on November 3, 2026 and Quick Image PDF Resizer on October 24, 2026.

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