Best apps like iDoc - PDF Reader and Viewer

10+ similar apps compared and reviewed

4.4 avg rating
10 free apps
Updated September 2026

iDoc is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

KobCard

KobCard by KOB MARKETING

Gift Card Information Platform
4.0(62 ratings)
Free
KobCard screenshot 1
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KobCard is a comprehensive gift card information platform that offers real-time exchange rates, price calculations, and the latest news on gift cards. It serves as a one-stop destination for individuals looking to buy, sell, or stay informed about the world of gift cards.

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Top Alternatives to iDoc

PDF Viewer by Nutrient#1

PDF Viewer by Nutrient by PSPDFKit GmbH

Fill Forms, Sign, Edit, Redact
Editor's Choice
📊 Productivity
4.6😊(9.1K ratings)
FreeIn-App Purchases
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Easily view, search, and annotate PDF documents on your iPhone and iPad. Import files from cloud services, fill out forms, add signatures, and organize your documents. Advanced features like redaction and combining documents are available with a Pro subscription.

What We Love

  • 🚀 Seamless integration with iCloud and Files app
  • 👍 Intuitive annotation tools with Apple Pencil
  • 🎨 Versatile highlighting and drawing options
  • 💾 Saves annotations to original PDF files
  • 🔍 Powerful search and navigation features
  • 🆓 Excellent free version with no ads

Room to Improve

  • 🐛 Occasional crashes and performance issues
  • 🤔 Confusing UI and steep learning curve
  • 🔀 Difficulty managing and organizing PDF files
  • 🔍 Inconsistent text selection and highlighting
  • 🔒 Privacy concerns around data collection
PDF Cabinet#2

PDF Cabinet by Bright Nine SIA

Read, Annotate, Collaborate
Strong Contender
📊 Productivity
3.8😊(56 ratings)
Free
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This application offers a streamlined PDF experience for reading and annotating documents. It focuses on essential features with an intuitive interface, making it easy to mark up PDFs, share annotations, and collaborate in real-time with others. Optimized for performance, it handles large documents efficiently.

What We Love

  • 🚀 Smooth performance
  • 👍 Intuitive and user-friendly interface
  • 💡 Excellent annotation tools
  • 🚀 Fast and responsive
  • 👍 Simple and clean design
  • 💡 Collaboration features
  • 👍 Reliable and stable

Room to Improve

  • 🐛 Occasional crashes and stability issues
  • 💡 Limited highlighter and pen customization
  • 💡 Lack of iCloud/cloud sync support
  • 🐛 Text disappearing issue
  • 🐛 Slow document loading and navigation

More apps like iDoc

4
PDF Reader – PDFelement
PDF Reader – PDFelement
PDF Reader – PDFelement
PDF Editor & Viewer, PDF Maker
Free

This app offers a superior PDF reading experience with its innovative Liquid Mode, which optimizes documents for mobile screens. It also provides robust tools for annotating, signing, managing, and sharing your PDF files, catering to both work and study needs.

Liquid Mode for optimized mobile readingAnnotation tools (pencil, text, highlighting)Handwritten signature insertion
📊 Productivity
(3.9K)
free
5
PDF Reader Pro for Document
PDF Reader Pro for Document
PDF Reader Pro for Document
Read, Convert & Mark Up PDFs
Free

This app provides a fast and secure way to view PDF documents on your mobile device. It allows you to open and read PDFs, access scanned documents, and share files in various formats like PDF and Word.

View PDF documentsAccess scanned PDFsShare as PDF/Word
📊 Productivity
(367)
ad-supported
6
PDF Reader : Document Reader
PDF Reader : Document Reader
PDF Reader : Document Reader
PDF Viewer, Doc Viewer, Edit
Free

This app allows users to easily find, open, read, and manage all PDF and Office files stored on their mobile device. It offers features for annotating, signing, and organizing documents, with options for offline viewing and sharing.

Auto scan and find all filesOffline PDF viewerRead and annotate PDFs
📊 Productivity
(408)
free with in-app purchases
7
Documents Pro, Download & Edit
Documents Pro, Download & Edit
Documents Pro, Download & Edit
For Web, Dropbox, Google Drive
Free

This mobile office suite allows you to view and edit various file types, including documents, spreadsheets, and media. It integrates with cloud storage services and offers file transfer via WiFi or FTP. The app includes a spreadsheet editor, text editor, sound recorder, and photo manager.

View and edit documents, spreadsheets, photos, and mediaCloud storage integration (Dropbox, Google Drive, iCloud, OneDrive, Box)File transfer via WiFi, FTP, and email
📊 Productivity
(4.7K)
free with in-app purchases
8
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
9
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
(7.6K)
free with in-app purchases
10
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