Best Nitro PDF Apps

248+ iOS apps curated and reviewed

4.3 avg rating
19 free apps
Updated August 2026

Looking for free nitro pdf apps? 19 of our 248+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Nitro PDF Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Nitro PDF Pro: Read & EditNitro PDF Pro: Read & EditFree3.9★ (158)NoYesAug 2026
2Acrobat Reader: PDF EditorAcrobat Reader: PDF EditorFree4.7★ (644K)NoYesAug 2026
3PDF Editor ®PDF Editor ®Free4.5★ (28K)NoYesAug 2026
4PDF Converter&Editor - PDF ZenPDF Converter&Editor - PDF ZenFree4.7★ (109)YesNoAug 2026
5PDF Converter - Reader for PDFPDF Converter - Reader for PDFFree4.5★ (18K)YesYesAug 2026
6Foxit PDF EditorFoxit PDF EditorFree4.5★ (4.8K)NoYesAug 2026
7Lumin: View, Edit, Share PDFLumin: View, Edit, Share PDFFree4.5★ (887)YesNoAug 2026
8Ezy PDFEzy PDFFree4.5★ (2.7K)YesYesAug 2026

Top Picks for Nitro PDF

Nitro PDF Pro: Read & Edit#1

Nitro PDF Pro: Read & Edit by Nitro Software, Inc.

Fill, Sign & Secure
Editor's Choice
📊 Productivity
3.9(158 ratings)
FreeIn-App Purchases
Nitro PDF Pro: Read & Edit screenshot 1
Nitro PDF Pro: Read & Edit screenshot 2
Nitro PDF Pro: Read & Edit screenshot 3
Nitro PDF Pro: Read & Edit screenshot 4
Nitro PDF Pro: Read & Edit screenshot 5
Nitro PDF Pro: Read & Edit screenshot 6

Edit, read, sign, and secure PDF documents on your iOS device. This powerful yet lightweight app allows for on-the-go productivity with features like text editing, annotation, form filling, and cloud syncing.

Acrobat Reader: PDF Editor#2

Acrobat Reader: PDF Editor by Adobe Inc.

Documents Editor & Converter
Strong Contender
💼 Business
4.7😞(644K ratings)
FreeIn-App Purchases
#2in Business
Acrobat Reader: PDF Editor screenshot 1
Acrobat Reader: PDF Editor screenshot 2
Acrobat Reader: PDF Editor screenshot 3
Acrobat Reader: PDF Editor screenshot 4
Acrobat Reader: PDF Editor screenshot 5
Acrobat Reader: PDF Editor screenshot 6

This app is a powerful PDF tool for viewing, editing, annotating, and signing documents. It offers AI-powered features for summarizing and interacting with PDFs, along with robust conversion and security options. Collaborate on files and access your documents from anywhere.

What We Love

  • 🚀 Fast and efficient
  • 🔒 Secure document storage
  • 👍 Convenient for reading and annotating PDFs
  • 👍 Useful for students and professionals

Room to Improve

  • 🐛 Buggy and unreliable
  • 🔒 Overly intrusive login requirements
  • 💰 Expensive subscription model
PDF Editor ®#3

PDF Editor ® by SMM service, s.r.o.

Edit, Reader Converter Maker 7
Worth Considering
💼 Business
4.5😞(28K ratings)
FreeIn-App Purchases
#34in Business
PDF Editor ® screenshot 1
PDF Editor ® screenshot 2
PDF Editor ® screenshot 3
PDF Editor ® screenshot 4
PDF Editor ® screenshot 5
PDF Editor ® screenshot 6

Edit, sign, and convert PDF documents directly from your mobile device. Scan physical papers into editable PDFs, annotate text, and fill out forms on the go. All your documents are stored locally for privacy and can be easily shared.

What We Love

  • 👍 User-friendly
  • 💡 Useful for editing PDFs on the go
  • 🚀 Easy to navigate

Room to Improve

  • 🐛 Frequent crashes and glitches
  • 💰 Expensive subscription model
  • 🔒 Concerns about data privacy

More Nitro PDF apps to explore

4
PDF Converter&Editor - PDF Zen
PDF Converter&Editor - PDF Zen
PDF Converter&Editor - PDF Zen
Smart PDF Converter & Editor
Free

This app converts PDFs to and from various document and image formats, maintaining original layouts. It includes OCR for text extraction from scanned documents and offers annotation tools like highlighting and e-signatures. Additional features like daily quotes and a Pomodoro timer enhance the user experience.

PDF to Word/Excel/PPT conversionPDF to Image conversionOCR for scanned PDFs
🔧 Utilities
(109)
ad-supported
5
PDF Converter - Reader for PDF
PDF Converter - Reader for PDF
PDF Converter - Reader for PDF
PDF Scanner, Editor, Creator
Free

Easily find, create, convert, and edit PDF documents. Search for PDFs online, convert various file types to PDF, and download multiple files simultaneously. Annotate and highlight text within your documents.

Search PDFs onlineCreate PDFs from websitesConvert documents to PDF
🔧 Utilities
(18K)
free with in-app purchases
6
Foxit PDF Editor
Foxit PDF Editor
Foxit PDF Editor
View, Edit, Convert, and Sign
Free

This mobile app offers comprehensive PDF management, allowing users to view, edit, annotate, and convert PDF files on the go. It includes AI-powered features for summarization, translation, and text enhancement, alongside robust tools for creating, signing, and protecting documents.

AI-powered PDF summarization and translationEdit text and images within PDFsConvert PDFs to and from various formats
📊 Productivity
(4.8K)
freemium
7
Lumin: View, Edit, Share PDF
Lumin: View, Edit, Share PDF
Lumin: View, Edit, Share PDF
Edit & share PDFs in the Cloud
Free

Edit, share, and collaborate on PDF documents in the cloud. This app offers a suite of tools for annotating, organizing, and signing PDFs, with seamless integration for cloud storage and real-time collaboration.

Seamless document managementCloud integration and auto-saveVersatile editing and annotation tools
📊 Productivity
(887)
free with in-app purchases
8
Ezy PDF
Ezy PDF
Ezy PDF
New choice of efficient office
Free

This application offers a comprehensive suite of tools for managing PDF documents. It allows users to merge, split, and edit PDFs, as well as convert images into PDF format, streamlining document workflows with an intuitive interface and fast processing.

Edit PDF size and layoutMerge multiple PDF filesSplit large PDFs into smaller parts
🌟 Lifestyle
(2.7K)
free with in-app purchases
9
PDF Reader: Edit & OCR Scan
PDF Reader: Edit & OCR Scan
PDF Reader: Edit & OCR Scan
Sign, annotate & convert files
Free

Easily scan, read, edit, and manage PDF documents on your iPhone and iPad. Convert images to PDF, extract text with OCR, and sign your documents. Organize files with merging, splitting, and password protection.

Scan documents with cameraConvert photos to PDFExtract text with OCR
📊 Productivity
(3)
free with in-app purchases
10
PDF Editor & Converter - PDNob
PDF Editor & Converter - PDNob
PDF Editor & Converter - PDNob
Edit, Read, Scan Office PDF
Free

This powerful application allows users to efficiently edit, manage, and share PDF documents. It offers a comprehensive suite of tools for text correction, annotation, watermarking, and file compression, all within an ad-free interface. Enjoy cloud backup to free up device storage and optimize files for easy sharing.

Edit text and background colorAdd/remove watermarksAnnotate with highlights and notes
📊 Productivity
(3)
free with in-app purchases
11
PDF Maker : Converter,Scanner
PDF Maker : Converter,Scanner
PDF Maker : Converter,Scanner
Annotate,Scan,Split,Merge,Fax
Free

Transform your device into a powerful PDF creation and management tool. Easily convert various file types, scan documents, merge or split PDFs, and organize your files with robust management options. Share your creations seamlessly through multiple cloud services and export in various formats.

Create PDFs from images, web pages, and rich textScan documents to PDFMerge and split PDF files
💼 Business
(3.9K)
free with in-app purchases
12
Halo PDF - PDF Editor & Scan
Halo PDF - PDF Editor & Scan
Halo PDF - PDF Editor & Scan
Merge,Split,Remove,Manage PDFs
Free

This app allows you to edit, scan, and manage PDF documents. Features include batch conversion, merging, splitting, and page management. It also supports iCloud integration and dark mode for a seamless user experience.

Batch image to PDF conversionUltra HD ScannerBatch PDF merging
💼 Business
(934)
freemium
13
PDF Editor ,PDF Book Reader ®
PDF Editor ,PDF Book Reader ®
PDF Editor ,PDF Book Reader ®
PDF Scanner -OCR,PDF Converter
Free

This app offers a comprehensive suite of tools for managing PDF documents. It allows users to read, edit, annotate, convert, and scan PDFs with an intuitive interface. Features include form filling, digital signatures, page management, and robust sharing options across Apple devices.

Read and edit PDFsAnnotate and markup documentsFill forms and add digital signatures
🔧 Utilities
(22K)
free with in-app purchases
14
PDF Converter : Word to PDF
PDF Converter : Word to PDF
PDF Converter : Word to PDF
by Plexasys Solutions Private Limited
Free

Easily convert images, documents, and PPT files to high-quality PDFs. Draw and convert images, merge files, and add custom watermarks. Enjoy fast, battery-friendly conversions with no limits or added watermarks.

Convert images to PDFConvert documents to PDFConvert PPT to PDF
💼 Business
(2K)
ad-supported
15
PDF Expert: Editor & Converter
PDF Expert: Editor & Converter
PDF Expert: Editor & Converter
Edit, Read, Scan・Sign Document
Free

This app allows you to edit, annotate, fill out forms, and convert PDF documents. It offers AI-powered summarization and analysis, along with tools to merge, sign, and protect your files. Work seamlessly across Apple devices with a user-friendly interface.

Edit PDF text and imagesAnnotate and highlight PDFsFill out PDF forms
📊 Productivity
(216K)
free with in-app purchases
16
Genius Scan - PDF Scan
Genius Scan - PDF Scan
Genius Scan - PDF Scan
PDF Scanner & OCR
Free

Transform your device into a powerful PDF scanner and document manager. Capture, create, edit, convert, organize, and protect PDF files with an intuitive all-in-one solution for work, school, and everyday life.

Scan documents with cameraCreate high-quality PDFsImport photos and files
🔧 Utilities
(2)
free with in-app purchases
17
PDF Pro - Reader Editor Forms
PDF Pro - Reader Editor Forms
PDF Pro - Reader Editor Forms
Edit, annotate, view documents
Free

Edit, annotate, and read PDF documents on your iPhone and iPad. Highlight text, add notes, shapes, voice recordings, and photos. Search your entire PDF library, fill out forms, and sign documents.

Edit and annotate PDFsHighlight text and add notesEmbed audio and photo annotations
📊 Productivity
(6.9K)
subscription
18
PDF Editor Reader
PDF Editor Reader
PDF Editor Reader
by SENRONG
Free

This app offers a comprehensive suite of tools for managing PDF files. Easily convert various document and image formats into PDFs, split or merge existing PDFs, and export PDF pages into image formats. It's a free, fast, and user-friendly solution for all your PDF needs.

Convert documents and images to PDFSplit PDF by pageMerge multiple PDFs
📊 Productivity
(1.6K)
free with in-app purchases
19
PDF Reader Pro Edition®
PDF Reader Pro Edition®
PDF Reader Pro Edition®
Annotate,edit & sign PDFs
$1.99

This powerful application allows users to read, manage, edit, and annotate PDF files on iOS devices. It offers real-time online collaboration, form filling, and advanced annotation tools. Create, organize, and secure your PDF documents with ease.

Real-time online collaboration and chatFillable PDF formsExtensive annotation tools (highlight, notes, signature)
💼 Business
(1.7K)
paid
20
PDF Max Pro - Edit, Sign PDFs
PDF Max Pro - Edit, Sign PDFs
PDF Max Pro - Edit, Sign PDFs
Scan, OCR, Research & Study
Free
$9.99 | 100% OFF

This app provides comprehensive tools for reading, annotating, and editing PDF documents on mobile devices. Users can highlight, add text and voice notes, fill out forms, manage pages, and organize files with cloud integration.

Read and annotate PDFsHighlight, underline, strike out textAdd text, voice, and custom stamps
📊 Productivity
(1.5K)
free with in-app purchases

FAQ about Nitro PDF

What are the best nitro pdf apps for iPhone?
Nitro PDF Pro: Read & Edit tops our nitro pdf apps ranking as of August 2026, with a 3.9-star average from 158 App Store ratings, and it's free to download.
Yes — 19 of the top nitro pdf apps we rank are free to download, including Nitro PDF Pro: Read & Edit and Acrobat Reader: PDF Editor.
Nitro PDF Pro: Read & Edit has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 248+ nitro pdf apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Nitro PDF Pro allows you to edit PDF text, add notes and comments, fill and save PDF forms, sign and share documents, and protect PDFs with passwords. You can also merge multiple documents, organize PDFs into folders, and rearrange pages.
You can secure your PDF documents by setting password protection to keep your data and confidential information safe. The app also allows you to set the required level of document encryption for added security.

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