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Best PDF File Merge Apps

247+ iOS apps curated and reviewed

4.7 avg rating
19 free apps
Updated September 2026

The best pdf file merge apps on iPhone average 4.7★ across 247+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.

Compare top PDF File Merge Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1PDF Merge - Combine & Join PDFPDF Merge - Combine & Join PDFFree4.7★ (1.7K)NoYesSep 2026
2Merge files PDFMerge files PDFFree4.6★ (339)NoYesSep 2026
3Merge PDF - Combine PDFMerge PDF - Combine PDFFree4.8★ (337)YesYesSep 2026
4PDF Combiner - file mergerPDF Combiner - file merger$1.994.8★ (8)NoNoSep 2026
5PDF Merge - PDF Files MergerPDF Merge - PDF Files MergerFree3.8★ (19)NoYesSep 2026
6PDF Editor - Merge & SplitPDF Editor - Merge & SplitFree5.0★ (3)NoYesAug 2026
7PDF Combiner – Merge FilesPDF Combiner – Merge FilesFree—NoYesAug 2026
8Merge Pdf Combine PdfMerge Pdf Combine PdfFree5.0★ (2)NoYesSep 2026

Top Picks for PDF File Merge

PDF Merge - Combine & Join PDF#1

PDF Merge - Combine & Join PDF by Haris Tayyab

PDF Editor App - Write on PDF
Editor's Choice
🔧 Utilities
4.7😐(1.7K ratings)
FreeIn-App Purchases
PDF Merge - Combine & Join PDF screenshot 1
PDF Merge - Combine & Join PDF screenshot 2
PDF Merge - Combine & Join PDF screenshot 3
PDF Merge - Combine & Join PDF screenshot 4
PDF Merge - Combine & Join PDF screenshot 5
PDF Merge - Combine & Join PDF screenshot 6

This app is a comprehensive PDF toolkit for iPhone and iPad. It allows users to merge multiple PDF files into one, convert documents to and from PDF, secure files with passwords, and organize pages. It's designed for students, professionals, and business users needing efficient PDF management.

What We Love

  • 👍 Free option available
  • 🚀 Efficient PDF merging
  • 💡 Integrated with photo library and files

Room to Improve

  • 🐛 Ads disruptive and frequent
  • 💰 Paid subscription required for full functionality
  • 🐛 Order of merged PDFs not maintained
Merge files PDF#2

Merge files PDF by Abdullah Albalawi

Merge Multi PDF Files
Strong Contender
🔧 Utilities
4.6😞(339 ratings)
FreeIn-App Purchases
Merge files PDF screenshot 1
Merge files PDF screenshot 2
Merge files PDF screenshot 3
Merge files PDF screenshot 4

Combine multiple PDF documents into a single file with ease. Select your desired PDFs and merge them quickly. Unlock advanced features like sharing, renaming, and unlimited merging with a premium subscription.

What We Love

  • 🚀 Merge files
  • 👍 Good app
  • 💡 Can get free

Room to Improve

  • 🐛 Doesn't work
  • 💰 Need to pay for everything
  • 🔒 Can't share or save without paying
  • ⚠️ Useless if you don't pay
  • 🚫 Fraud app
Merge PDF - Combine PDF#3

Merge PDF - Combine PDF by talha rehman

Join your PDFs with PDF merger
Worth Considering
📊 Productivity
4.8😊(337 ratings)
FreeAdsIn-App Purchases
Merge PDF - Combine PDF screenshot 1
Merge PDF - Combine PDF screenshot 2
Merge PDF - Combine PDF screenshot 3
Merge PDF - Combine PDF screenshot 4
Merge PDF - Combine PDF screenshot 5
Merge PDF - Combine PDF screenshot 6

This app offers a comprehensive suite of tools for managing PDF documents. It allows users to merge, split, compress, convert, and secure PDFs, making document handling efficient for various needs. The app prioritizes user privacy by processing files locally on the device.

What We Love

  • 👍 Easy to use
  • 🚀 Quick and efficient
  • 💯 Works as expected
  • 🆓 Free app with great features
  • 🤩 Excellent for beginners
  • 🔥 Best PDF merger app

Room to Improve

  • 🐛 Occasional crashes
  • 📢 Too many ads
  • 🔍 Issues with aspect ratio and layout
  • 🔒 Requires internet connection
  • 🔄 Reverse order of added PDFs

More PDF File Merge apps to explore

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FAQ about PDF File Merge

What are the best pdf file merge apps for iPhone?
PDF Merge - Combine & Join PDF tops our pdf file merge apps ranking as of September 2026, with a 4.7-star average from 1.7K App Store ratings, and it's free to download.
Yes — 19 of the top pdf file merge apps we rank are free to download, including PDF Merge - Combine & Join PDF and Merge files PDF.
PDF Merge - Combine & Join PDF has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 247+ pdf file merge apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app is an all-in-one PDF toolkit that allows you to merge multiple PDF files into a single document, convert various file types to and from PDF, secure your documents with passwords, and organize pages within PDFs. It also enables converting PDF pages into high-resolution images.
Key features include merging multiple PDFs with reordering options, converting documents like Word, Excel, and PowerPoint to PDF, and converting PDFs back to editable formats. It also offers PDF security through password protection and unlocking, as well as tools for organizing, deleting, editing, and printing PDF pages.