Best 3D Cad Viewer Apps

207+ iOS apps curated and reviewed

4.2 avg rating
19 free apps
Updated June 2026

Every iPhone needs a few good 3d cad viewer apps. We benchmark 207+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for 3D Cad Viewer

AutoCAD#1

AutoCAD by Autodesk

DWG Viewer & Editor
Editor's Choice
📊 Productivity
4.4😞(6.3K ratings)
FreeIn-App Purchases
AutoCAD screenshot 1
AutoCAD screenshot 2
AutoCAD screenshot 3
AutoCAD screenshot 4
AutoCAD screenshot 5
AutoCAD screenshot 6

View and edit AutoCAD drawings on the go! Access all DWG files, annotate, measure, and share designs easily. Download now to streamline your workflow.

What We Love

  • 🚀 Intuitive and easy to learn
  • 📱 Convenient mobile solution
  • 👍 Great for site visits and field work
  • 🔍 Useful for viewing and marking up drawings

Room to Improve

  • 🐛 Crashes frequently
  • 🔒 Difficult login and account management
  • 🔍 Limited functionality compared to desktop version
DWG FastView-CAD Viewer&Editor#2

DWG FastView-CAD Viewer&Editor by Gstarsoft Co., Ltd

* Support 2D/3D CAD formats
Strong Contender
📊 Productivity
3.7😐(50 ratings)
FreeAdsIn-App Purchases
DWG FastView-CAD Viewer&Editor screenshot 1
DWG FastView-CAD Viewer&Editor screenshot 2
DWG FastView-CAD Viewer&Editor screenshot 3
DWG FastView-CAD Viewer&Editor screenshot 4
DWG FastView-CAD Viewer&Editor screenshot 5
DWG FastView-CAD Viewer&Editor screenshot 6

DWG FastView-CAD Viewer allows users to view, edit, and share CAD drawings on mobile devices with ease. This intuitive app enables quick access to important design files anytime, anywhere. Access professional-grade features on-the-go and streamline your CAD workflow today.

What We Love

  • 🚀 Fast and efficient
  • 👍 Easy to use and intuitive
  • 💡 Convenient mobile CAD viewing and editing
  • 🚀 Quick file loading

Room to Improve

  • 🐛 Crashes and freezes
  • 💰 Subscription model with limited free features
  • 🔒 Lack of customer support and communication

More 3D Cad Viewer apps to explore

4
Glovius - 3D CAD File Viewer
Glovius - 3D CAD File Viewer
Glovius - 3D CAD File Viewer
View CAD files on iPhone, iPad
Free

This application allows users to view, analyze, and collaborate on 3D CAD files on their iPhone or iPad, supporting various file formats. With this app, users can view and interact with 3D models, take measurements, run reports, and share feedback with their team, making it a perfect tool for on-the-go collaboration and design review.

🔧 Utilities
(1)
5
SketchUp - 3D Modeling
SketchUp - 3D Modeling
SketchUp - 3D Modeling
Interior Design & Architecture
Free

Design and visualize 3D models easily with this intuitive application for architects and designers. Start bringing your ideas to life in three dimensions now!

🎨 Graphics & Design
(17K)
6
3D File Viewer: OBJ STP & more
3D File Viewer: OBJ STP & more
3D File Viewer: OBJ STP & more
STP STL OBJ FBX GLTF & More
Free

View 3D models on your iPhone or iPad with support for over 20 popular file formats, including STL, OBJ, FBX, and more. Download to explore your 3D files anytime, anywhere.

🔧 Utilities
(35)
7
iRhino 3D
iRhino 3D
iRhino 3D
3D Viewer & Scanner
Free

Experience the power of a redesigned 3D modeling app for your mobile device. Easily pan, zoom, and load models while enjoying AR functionality for a realistic view. Draw directly on models with the integrated markup tool.

📊 Productivity
(72)
8
STL Simple Viewer
STL Simple Viewer
STL Simple Viewer
Quickly view 3D STL CAD models
Free

View 3D STL CAD models with ease using our app. Features include support for both ASCII and Binary STL files, graphic operations for manipulation, and rendering options for detailed viewing. Contact us at support@boviosoft.com for more information.

📊 Productivity
(721)
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
CAD Reader-View & Measure DWG
CAD Reader-View & Measure DWG
CAD Reader-View & Measure DWG
DWG & PDF viewer
Free

This cross-platform CAD software allows users to view, measure, and annotate DWG, DXF, and PDF files, providing essential tools for engineers, designers, and quantity surveyors. With features such as measurement tools, collaboration tools, and advanced features like PDF to CAD conversion, it enables efficient work and collaboration, try it now!

📊 Productivity
(2.5K)
11
Autodesk Fusion
Autodesk Fusion
Autodesk Fusion
by Autodesk
Free

Collaborate on 3D designs with anyone using Autodesk Fusion™ for iPhone and iPad. View, comment, and share 3D models in over 100 file formats, track project activities, and access design properties. Sign in with your Fusion account and start designing anytime, anywhere.

📊 Productivity
(4.1K)
12
3D modeling: Design my model
3D modeling: Design my model
3D modeling: Design my model
Sculpt & sketch digital art
Free

Create stunning 3D models with our advanced modeling tools. Sculpt, texture, and animate with ease to bring your ideas to life in a virtual space. Unleash your creativity today!

🎨 Graphics & Design
(13K)
13
Scaniverse - 3D Scanner
Scaniverse - 3D Scanner
Scaniverse - 3D Scanner
Scan & share your world in 3D
Free

Capture real-world objects in 3D using your smartphone camera. Create detailed 3D models with Scaniverse - 3D Scanner app. Transform your surroundings into a digital playground.

📷 Photo & Video
(11K)
14
CAD FastView: DWG Viewer
CAD FastView: DWG Viewer
CAD FastView: DWG Viewer
DWG Viewer - DWG/DXF Reader
Free

This multifunctional CAD drawing viewing and sharing application allows users to quickly view, share, and manage DWG drawings, with features like PDF conversion, cloud synchronization, and Wi-Fi printing. It is ideal for professionals like architects, engineers, and contractors who need to effortlessly handle various CAD drawing formats and tasks.

📊 Productivity
(33)
15
Home Design 3D - Планировка
Home Design 3D - Планировка
Home Design 3D - Планировка
Room Plans & Interior Design
Free

Design and remodel your dream home in 3D with intuitive ease using an interior design application. Create floorplans, furnish, decorate, visualize, and share your designs easily with a global community of users. Follow us for more inspiration!

📊 Productivity
(8.3K)
16
JigSpace
JigSpace
JigSpace
3D presentations for teams
Free

Create and share immersive 3D presentations effortlessly with the app – a powerful tool for teams to present ideas in augmented reality. Revolutionize your communication with animations, interactive labels, and a library of customizable templates. Join top industries in utilizing this game-changing app for technical sales, product launches, and engaging training materials.

🎨 Graphics & Design
(8.4K)
17
STL File Viewer Pro
STL File Viewer Pro
STL File Viewer Pro
Simplest Way To View STL Files
Free

View and interact with your 3D STL models with ease, rotating, zooming, and inspecting them with smooth and intuitive gestures. Download now to explore your 3D models in a comfortable and efficient way, perfect for 3D printing, CAD modeling, and more.

🛠️ Developer Tools
(50)
18
3D GO | 3D Printing Models
3D GO | 3D Printing Models
3D GO | 3D Printing Models
Thingiverse Printables Cults3d
Free

Discover a world of 3D printing with access to a wide range of models from top platforms like Thingiverse and MyMiniFactory. Ideal for enthusiasts and professionals, explore, download, and print diverse models for various 3D printers. Start creating with 3D GO today!

🔧 Utilities
(3.5K)
19
Qlone 3D Scanner
Qlone 3D Scanner
Qlone 3D Scanner
Easy, User-Friendly AR Capture
Free

A user-friendly 3D scanner app that simplifies creating, editing, and animating 3D models from real objects. Easily export models to various platforms, 3D file formats, and printers, perfect for AR/VR, 3D Printing, education, and more. Upgrade to unlock premium features like AR view with animations and scanning in higher resolutions without a subscription.

🎨 Graphics & Design
(1.6K)
20
SiteScape - LiDAR 3D Scanner
SiteScape - LiDAR 3D Scanner
SiteScape - LiDAR 3D Scanner
3D Scan, 3D Model, 3D Photo
Free

SiteScape is a cutting-edge LiDAR scanning application that allows users to create detailed 3D models of their surroundings with high precision. Explore and analyze your environment in a whole new way.

🔧 Utilities
(99)