Best 3D PDF Viewer Apps

217+ iOS apps curated and reviewed

4.2 avg rating
19 free apps
Updated June 2026

Out of 217+ 3d pdf viewer apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top 3D PDF Viewer Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
13D PDF Viewer3D PDF ViewerFree1.5★ (2)NoNoMay 2026
23D-Viewer3D-ViewerFree1.0★ (2)NoNoMay 2026
3Acrobat Reader: PDF EditorAcrobat Reader: PDF EditorFree4.7★ (632K)YesYesJul 2026
4Emb3D 3D Model ViewerEmb3D 3D Model ViewerFree4.4★ (241)YesYesJul 2026
5DWG FastView-CAD Viewer&EditorDWG FastView-CAD Viewer&EditorFree4.4★ (1K)YesYesJul 2026
6PDF Expert: Editor & ConverterPDF Expert: Editor & ConverterFree4.7★ (215K)YesYesJul 2026
7AutoCADAutoCADFree4.4★ (6.3K)NoYesJul 2026
8PDF Reader - Editor & ViewerPDF Reader - Editor & ViewerFree4.5★ (2.9K)NoYesJul 2026

Top Picks for 3D PDF Viewer

Acrobat Reader: PDF Editor#3

Acrobat Reader: PDF Editor by Adobe Inc.

Documents Editor & Converter
Worth Considering
💼 Business
4.7😞(632K ratings)
FreeAdsIn-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

More 3D PDF Viewer apps to explore

4
Emb3D 3D Model Viewer
Emb3D 3D Model Viewer
Emb3D 3D Model Viewer
A Powerful 3D Model Viewer
Free

Explore and showcase your 3D models with advanced rendering and intuitive controls. Supports multiple file formats, ideal for entertainment or preparing models for 3D printing.

High performance renderingIntuitive gesturesMultiple 3D formats
🔧 Utilities
(241)
free with in-app purchases
5
DWG FastView-CAD Viewer&Editor
DWG FastView-CAD Viewer&Editor
DWG FastView-CAD Viewer&Editor
* Support 2D/3D CAD formats
Free

This cross-platform CAD application allows users to view, edit, and create 2D and 3D designs on the go. It supports a wide range of file formats and offers advanced tools for precise drawing, measurement, and annotation, even offline.

View and edit 2D/3D CAD drawingsSupports over 40 3D drawing formatsAccurate measurement and annotation tools
📊 Productivity
(1K)
free with in-app purchases
6
PDF Expert: Editor & Converter
PDF Expert: Editor & Converter
PDF Expert: Editor & Converter
Edit, Sign, Convert Documents
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
(215K)
free with in-app purchases
7
AutoCAD
AutoCAD
AutoCAD
DWG Viewer & Editor
Free

Access and edit CAD drawings on the go with this official application. It provides essential drafting and design tools for creating, updating, and sharing 2D drawings from any device. Collaborate with teams and simplify workflows by accessing files from various cloud storage services.

2D file viewingCreate, edit, and share 2D drawingsOffline work and sync
📊 Productivity
(6.3K)
freemium
8
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
(2.9K)
freemium
9
Autodesk Fusion
Autodesk Fusion
Autodesk Fusion
by Autodesk
Free

Collaborate on 3D designs from anywhere with this mobile app. View, comment on, and share CAD models in over 100 formats. It works with a companion cloud-based desktop product for product design and development.

View over 100 file formatsCollaborate on 3D designsComment on project activities
📊 Productivity
(4.1K)
free
10
PDFelement: PDF Editor, Viewer
PDFelement: PDF Editor, Viewer
PDFelement: PDF Editor, Viewer
Edit,read,sign,annotate pdf
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
11
GoodReader PDF Editor & Viewer
GoodReader PDF Editor & Viewer
GoodReader PDF Editor & Viewer
PDF Annotator, File Manager
$5.99

This app offers robust PDF editing and viewing capabilities, alongside comprehensive file management tools. It allows users to annotate PDFs, manage files from various cloud services, and secure sensitive data with advanced encryption. Enjoy a superior reading experience with features like PDF Reflow and split-screen viewing.

PDF annotation and editingExtensive file format supportCloud service integration (Dropbox, Google Drive, etc.)
📊 Productivity
(14K)
free with in-app purchases
12
PDF Viewer by Nutrient
PDF Viewer by Nutrient
PDF Viewer by Nutrient
Fill Forms, Sign, Edit, Redact
Free

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.

View and search PDFsAnnotate with highlights and notesSign documents digitally
📊 Productivity
(9.1K)
freemium
13
SketchUp - 3D Modeling
SketchUp - 3D Modeling
SketchUp - 3D Modeling
Interior Design & Architecture
Free

This platform offers intuitive 3D modeling tools for design enthusiasts and professionals. Visualize concepts, create photorealistic visuals, and even use AI to generate design ideas. Scan real-world spaces and view your creations in augmented reality.

3D modeling toolsGenerative AI designsRoom planner & space design
🎨 Graphics & Design
(17K)
free with in-app purchases
14
Power PDF - PDF Manager
Power PDF - PDF Manager
Power PDF - PDF Manager
Create, Modify, Secure PDF
Free

Create, modify, and secure PDF documents on your mobile device. Convert various file types and photos to PDF, scan documents with your camera, and manage files with a built-in file manager. View, annotate, and search within PDF documents with ease.

Create PDFs from DOC, XLS, PPT, TXT, and photosScan to PDF using cameraCombine, split, delete, and reorder PDF pages
🔧 Utilities
(1K)
free with in-app purchases
15
3D Model Viewer - AR View
3D Model Viewer - AR View
3D Model Viewer - AR View
View model in AR and 3D mode
Free

View and interact with various 3D model formats in both AR and 3D modes. This intuitive tool supports local and cloud documents, custom backgrounds, and shadow casting. Easily import models via multiple methods and share your creations.

AR and 3D viewing modesSupports numerous 3D file formatsLocal and cloud document integration
📊 Productivity
(325)
free with in-app purchases
16
PDF Gear - PDF Editor & Reader
PDF Gear - PDF Editor & Reader
PDF Gear - PDF Editor & Reader
PDF Converter for acrobat PDF
Free

This app offers a comprehensive suite of tools for managing PDF documents on mobile devices. Users can easily view, annotate, edit pages, fill out forms, and digitally sign documents. It provides a free and unlimited experience for all its powerful PDF manipulation features.

View and print PDFsAnnotate with highlights, text, and drawingsOrganize pages (add, delete, rotate, extract)
💼 Business
(8.2K)
free
17
CAD Reader-View & Measure DWG
CAD Reader-View & Measure DWG
CAD Reader-View & Measure DWG
DWG & PDF viewer
Free

This application allows users to view, measure, and annotate CAD files and PDFs. It supports multiple drawing formats and offers tools for collaboration, including image and voice annotations. Convert PDFs to CAD and manage layers with advanced features.

View DWG, DXF, and PDF filesScale drawing and measure area/lengthAdd image, voice, and text annotations
📊 Productivity
(22)
free with in-app purchases
18
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
19
PDF it All Document Converter
PDF it All Document Converter
PDF it All Document Converter
Compress PDF Photos,Files,Word
Free

This app offers a comprehensive suite of tools for managing PDF documents. It allows users to compress, convert, edit, merge, split, sign, and protect PDF files. All operations are performed locally on the device for enhanced security.

Compress PDF filesConvert Office, Web, Photos to PDFEdit PDF pages (remove, rotate)
📊 Productivity
(7.9K)
free with in-app purchases
20
PDF Viewer Pro: Scan & Convert
PDF Viewer Pro: Scan & Convert
PDF Viewer Pro: Scan & Convert
PDF Tools: Scan, Edit, Sign
Free

Easily view, edit, and manage all your PDF files in one place. Create new PDFs, convert other file types, and scan documents with your device's camera. Protect important files with passwords and merge or split pages as needed.

View and manage PDF filesEdit, sign, and convert PDFsScan documents into PDFs
💼 Business
(3)
free with in-app purchases

FAQ about 3D PDF Viewer

What are the best 3d pdf viewer apps for iPhone?
3D PDF Viewer tops our 3d pdf viewer apps ranking as of June 2026, with a 1.5-star average from 2 App Store ratings, and it's free to download.
Yes — 19 of the top 3d pdf viewer apps we rank are free to download, including 3D PDF Viewer and 3D-Viewer.
3D PDF Viewer has no ads and has no in-app purchases, according to its App Store listing as of June 2026.
We track 217+ 3d pdf viewer apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
3D PDF Viewer specifically renders 3D PDF models, recognizing the .prc file extension. It supports both meshes and colors within these files, allowing for detailed visualization.
Yes, 3D PDF Viewer has the capability to open password-protected PDF files. This ensures you can access your secure 3D model documents directly on your mobile device.