Best Nitro PDF Apps

231+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated July 2026

Looking for free nitro pdf apps? 20 of our 231+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Nitro PDF Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Nitro PDF Pro: Read & EditNitro PDF Pro: Read & EditFree3.9★ (157)NoYesJul 2026
2Acrobat Reader: PDF EditorAcrobat Reader: PDF EditorFree4.7★ (637K)NoYesAug 2026
3PDF Editor ®PDF Editor ®Free4.5★ (28K)NoYesAug 2026
4PDF Expert: Editor & ConverterPDF Expert: Editor & ConverterFree4.7★ (216K)NoYesAug 2026
5Foxit PDF EditorFoxit PDF EditorFree4.5★ (4.8K)NoYesAug 2026
6iLovePDF - PDF Editor & ScaniLovePDF - PDF Editor & ScanFree4.8★ (51K)NoYesAug 2026
7PDF Editor ,PDF Book Reader ®PDF Editor ,PDF Book Reader ®Free4.3★ (22K)NoYesAug 2026
8Lumin: View, Edit, Share PDFLumin: View, Edit, Share PDFFree4.5★ (885)YesNoAug 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(157 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😞(637K 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
#37in 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 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
5
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
6
iLovePDF - PDF Editor & Scan
iLovePDF - PDF Editor & Scan
iLovePDF - PDF Editor & Scan
For Work, Study & E-Signing
Free

Edit, convert, annotate, and sign PDF documents on the go. This app offers tools to scan, merge, split, compress, and protect your files, enhancing productivity for work and study.

Scan documents to PDFConvert JPG/Office to PDFEdit and annotate PDFs
📊 Productivity
(51K)
freemium
7
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
8
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
(885)
free with in-app purchases
9
WPS Office-AI Doc, PDF, Sheet
WPS Office-AI Doc, PDF, Sheet
WPS Office-AI Doc, PDF, Sheet
Word, Excel, PPT & Forms
Free

This AI-powered office suite transforms your device into a smart workspace. Generate presentations from prompts, digitize notes, and analyze documents with an intelligent assistant. Seamlessly sync across devices for efficient workflow.

AI-powered document analysis and summarizationInstant presentation creation from promptsOCR for digitizing notes and business cards
📊 Productivity
(18K)
subscription
10
CamScanner - PDF Scanner App
CamScanner - PDF Scanner App
CamScanner - PDF Scanner App
Document Scanner PDF Converter
Free

Transform your mobile device into a powerful portable scanner. Instantly scan, edit, and share documents in various formats like PDF, JPG, Word, and TXT. Features include OCR, e-signatures, and secure file management.

Mobile document scanningText recognition (OCR)PDF conversion
📊 Productivity
(1.9M)
free with in-app purchases
11
pdfFiller: edit PDF documents
pdfFiller: edit PDF documents
pdfFiller: edit PDF documents
Scan, fill, sign,make pdf docs
Free

This app transforms your device into a mobile office for managing PDF documents. Edit, eSign, and fill out forms, then share or export them. It offers secure storage and access to millions of templates, with offline capabilities.

Edit PDF documentsEsign and fill out formsShare and collaborate on documents
💼 Business
(8.5K)
free with in-app purchases
12
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
13
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
14
PDF Hero - PDF Editor & Reader
PDF Hero - PDF Editor & Reader
PDF Hero - PDF Editor & Reader
Create & Edit PDF Documents
Free

Edit, create, and manage PDF documents on your mobile device. Annotate, fill forms, sign, and share files with ease. Offers advanced features like OCR and compression for enhanced document control.

Create PDFs from scratchEdit text and annotate documentsFill and sign PDF forms
💼 Business
(10K)
free with in-app purchases
15
PDFelement: PDF Editor, Viewer
PDFelement: PDF Editor, Viewer
PDFelement: PDF Editor, Viewer
Convert & Sign PDF, AI-powered
Free

This application offers comprehensive PDF management, including advanced editing, AI-powered summarization and translation, and efficient scanning with OCR. It helps organize, convert, and secure documents for work, study, and personal use.

AI Chat with PDFScan and OCRPDF to Office Conversion
📊 Productivity
(7.5K)
free with in-app purchases
16
PDF Reader - Editor & Viewer
PDF Reader - Editor & Viewer
PDF Reader - Editor & Viewer
Editor, Converter, OCR
Free

Edit, convert, and manage PDF documents on your mobile device. This app allows you to directly edit text, scan documents, fill out forms, and secure your files with passwords and watermarks. It also supports OCR to extract text from scans and convert PDFs to various formats.

Edit PDF text directlyConvert PDF to Word, Excel, PPT, imagesOCR for text extraction from scans
🔧 Utilities
(3.5K)
freemium
17
PDF Reader & Editor | Xodo
PDF Reader & Editor | Xodo
PDF Reader & Editor | Xodo
Smart Scan & Edit Documents
Free

Edit, sign, convert, and organize PDF documents with a comprehensive suite of tools. Scan images to PDF, compress files, and integrate with cloud storage for seamless access across devices. Offers advanced annotation and drawing capabilities.

Edit PDFsScan to PDFFill & Sign Forms
💼 Business
(1.7K)
freemium
18
PDF Converter . Convert to PDF
PDF Converter . Convert to PDF
PDF Converter . Convert to PDF
Convert PNG Image Photo to PDF
Free

Easily convert various file formats, including images, Word documents, and text files, to PDF and vice versa. This app offers a simple, intuitive interface for quick document transformations, with features like offline conversion and secure processing.

Convert JPG, PNG, Word, TXT to PDFConvert PDF to WordImage to PDF conversion
💼 Business
(2.2K)
subscription
19
PDF Reader & PDF Editor
PDF Reader & PDF Editor
PDF Reader & PDF Editor
Read, Edit, Sign PDF Files
Free

This app is a comprehensive tool for managing PDF documents. It allows users to quickly view, annotate, edit, and organize PDFs, as well as convert images to PDF. Advanced features like merging, splitting, and password protection are also available.

Fast PDF viewingPDF annotation and markupAdd e-signatures
💼 Business
(727)
free with in-app purchases
20
PDF Converter - PDF Editor・
PDF Converter - PDF Editor・
PDF Converter - PDF Editor・
Scan, Convert to PDF Photo
Free

This app offers a comprehensive suite of tools for managing, editing, and converting PDF files. It allows users to merge, split, compress, and annotate documents, as well as fill forms and add digital signatures. Convert various file types to PDF and vice versa with ease.

Merge, split, compress, rotate, unlock, watermark PDFsEdit PDFs with text, shapes, comments, highlightsAnnotate documents with drawing, text boxes, sticky notes
💼 Business
(5.9K)
subscription

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 July 2026, with a 3.9-star average from 157 App Store ratings, and it's free to download.
Yes — 20 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 July 2026.
We track 231+ nitro pdf apps on the iOS App Store as of July 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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