Best 3D PDF Viewer Apps

249+ iOS apps curated and reviewed

3.7 avg rating
19 free apps
Updated August 2026

Out of 249+ 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 (August 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★ (641K)NoYesAug 2026
43D Model Viewer - AR View3D Model Viewer - AR ViewFree4.2★ (326)YesYesAug 2026
5DWG FastView-CAD Viewer&EditorDWG FastView-CAD Viewer&EditorFree4.5★ (1.1K)YesYesAug 2026
6Emb3D 3D Model ViewerEmb3D 3D Model ViewerFree4.4★ (241)YesYesJul 2026
7PDF Viewer - All PDF ReaderPDF Viewer - All PDF ReaderFreeNoYesMay 2026
8PDF Viewer-UltraPDFPDF Viewer-UltraPDFFreeNoNoMay 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😞(641K 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

More 3D PDF Viewer apps to explore

4
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
(326)
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
(1.1K)
free with in-app purchases
6
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
7
PDF Viewer - All PDF Reader
PDF Viewer - All PDF Reader
PDF Viewer - All PDF Reader
Document Reader, Doc Viewer
Free
📊 Productivity
(0)
8
PDF Viewer-UltraPDF
PDF Viewer-UltraPDF
PDF Viewer-UltraPDF
All-in-One PDF Toolkit
Free
🔧 Utilities
(0)
9
DWG Viewer 3D - For DWG to PDF
DWG Viewer 3D - For DWG to PDF
DWG Viewer 3D - For DWG to PDF
View CAD drawings (DWG & DXF)
$9.99
📊 Productivity
(0)
10
PDF Reader, Editor & Scanner
PDF Reader, Editor & Scanner
PDF Reader, Editor & Scanner
Read,Edit PDF,Word,Excel,PPT
Free
💼 Business
(0)
11
PFEditor : PDF Viewer & Maker
PFEditor : PDF Viewer & Maker
PFEditor : PDF Viewer & Maker
All in one PDF editor tool
Free
🔧 Utilities
(0)
12
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
13
PDF Reader-simple
PDF Reader-simple
PDF Reader-simple
View All Your Documents
Free
🔧 Utilities
(0)
14
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
(1)
free with in-app purchases
15
PDF Converter – Scan & Edit
PDF Converter – Scan & Edit
PDF Converter – Scan & Edit
All-in-One PDF Tools Made Easy
Free

This app provides a comprehensive suite of tools for creating, editing, and managing PDF files on your mobile device. Easily scan documents, convert various file formats to PDF, and extract text with OCR technology. Organize your documents efficiently for work or study.

Create PDFs from text, images, and documentsScan documents with device cameraOCR text recognition
🔧 Utilities
(0)
freemium
16
PDF Craft: Local Desk
PDF Craft: Local Desk
PDF Craft: Local Desk
Scan, OCR, Merge PDFs
Free
📊 Productivity
(0)
17
PDF: Viewer - Editor
PDF: Viewer - Editor
PDF: Viewer - Editor
Professional PDF Editor
Free
🔧 Utilities
(0)
18
PDF Converter Scanner Editor
PDF Converter Scanner Editor
PDF Converter Scanner Editor
Photo to PDF Maker Editor
Free
🔧 Utilities
(0)
19
ViewCAD:2D/3D CAD Model Viewer
ViewCAD:2D/3D CAD Model Viewer
ViewCAD:2D/3D CAD Model Viewer
View CAD Models Anywhere
Free
📊 Productivity
(0)
20
Everything to PDF-Scan & Photo
Everything to PDF-Scan & Photo
Everything to PDF-Scan & Photo
Convert images,web & docs fast
Free
🔧 Utilities
(0)

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 August 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 August 2026.
We track 249+ 3d pdf viewer apps on the iOS App Store as of August 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.