Best Cad Viewer Alternative Apps

217+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated June 2026

Every iPhone needs a few good cad viewer alternative apps. We benchmark 217+ 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 Cad Viewer Alternative

DWG FastView-CAD Viewer&Editor#1

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

* Support 2D/3D CAD formats
Editor's Choice
📊 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
AutoCAD#2

AutoCAD by Autodesk

DWG Viewer & Editor
Strong Contender
📊 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
SketchUp - 3D Modeling#3

SketchUp - 3D Modeling by Trimble Inc.

Interior Design & Architecture
Worth Considering
🎨 Graphics & Design
4.5😐(17K ratings)
FreeAdsIn-App Purchases
#96in Graphics & Design
SketchUp - 3D Modeling screenshot 1
SketchUp - 3D Modeling screenshot 2
SketchUp - 3D Modeling screenshot 3
SketchUp - 3D Modeling screenshot 4

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

What We Love

  • 🚀 Great potential
  • 👍 Intuitive and easy to use
  • 🚀 Powerful and capable
  • 👍 Excellent for designers, engineers, and contractors

Room to Improve

  • 🔒 Requires paid subscription
  • 🐛 Crashes and stability issues
  • 🔒 Limited functionality in free version

More Cad Viewer Alternative apps to explore

4
ArcSite: Floor Plans and CAD
ArcSite: Floor Plans and CAD
ArcSite: Floor Plans and CAD
Sketch, Draw & Remodel On-Site
Free

ArcSite allows users to easily design, sketch, and draw floor plans with intuitive CAD tools suitable for beginners and experienced designers. Start sketching floor plans quickly, add photos and annotations, and generate professional estimates. Stay organized with cloud storage, go paperless, and finish drawings from anywhere.

📊 Productivity
(8.5K)
5
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)
6
Polycam 3D Scanner, LiDAR, 360
Polycam 3D Scanner, LiDAR, 360
Polycam 3D Scanner, LiDAR, 360
LiDAR for Measurement & CAD
Free

Transform your smartphone into a powerful 3D scanner with LiDAR technology, allowing you to create detailed 3D models and explore immersive 360-degree captures with ease. Experience next-level scanning capabilities with just a tap of your device.

📷 Photo & Video
(5K)
7
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
(22)
8
uMake: 3D CAD Modeling, Design
uMake: 3D CAD Modeling, Design
uMake: 3D CAD Modeling, Design
Sketch, Model & Design with AI
Free

Create stunning 3D models with uMake: a user-friendly app for both professionals and beginners. From sketching to rendering, uMake offers powerful tools and features to bring your ideas to life. Try it now and unleash your creativity!

🎨 Graphics & Design
(4K)
9
ZWCAD Mobile - Mobile CAD
ZWCAD Mobile - Mobile CAD
ZWCAD Mobile - Mobile CAD
DWG viewer and editor
Free

A powerful mobile CAD app offering DWG viewing, editing, and sharing functions, with precise measurement, annotation, and printing capabilities. Trusted by over 10 million users, it supports various file formats and provides a wide range of editing, drawing, and measuring tools for architects, engineers, and construction professionals. Contact for more information: tech@zwsoft.com.

📊 Productivity
(302)
10
Onshape 3D CAD
Onshape 3D CAD
Onshape 3D CAD
Speed Up Your Product Design
Free

Join thousands of professional users in revolutionizing product design with our full mechanical CAD platform. Collaborate in real-time from any device with an internet connection, streamline your design process, and access new features regularly. Start creating today with a free sign-up!

📊 Productivity
(396)
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
ARES Touch: DWG Viewer & CAD
ARES Touch: DWG Viewer & CAD
ARES Touch: DWG Viewer & CAD
Read, Modify & Annotate in DWG
Free

This CAD software allows professionals to read, create, annotate, and modify DWG drawings on-the-go, with free features including viewing, sharing, and dimensioning tools, and additional premium features available with a subscription. Try the full experience for free and take your CAD work to the next level with a mobile solution that offers flexibility and power.

📊 Productivity
(143)
13
3D CAD Model Viewer
3D CAD Model Viewer
3D CAD Model Viewer
by Machine Research Corporation
Free

This application allows users to view, analyze, and share 3D CAD models and drawings, making it easier to collaborate and work efficiently. It helps machine shops increase profitability by cataloging and automating their library of previous work, enabling instant search and recall of quotes and models to streamline the quoting process.

💼 Business
(13)
14
Morpholio Trace - Sketch CAD
Morpholio Trace - Sketch CAD
Morpholio Trace - Sketch CAD
Design & Architecture Drawing
Free

Design like a pro with our app that seamlessly integrates sketching and CAD functionalities, allowing you to create detailed and professional designs on the go. Download now to elevate your design process!

🎨 Graphics & Design
(11K)
15
3D Viewer by Chief Architect
3D Viewer by Chief Architect
3D Viewer by Chief Architect
by Chief Architect
Free

Experience immersive virtual reality home projects with 3D Viewer. Visualize and navigate your designs using Sojourn 3D tools, walk or fly through models, and explore various views. Perfect for builders and designers wanting to share virtual models with clients.

📊 Productivity
(490)
16
SimLab CAD Viewer
SimLab CAD Viewer
SimLab CAD Viewer
by Simulation Lab Software
Free

This application enables users to view and interact with 3D CAD and architectural models, supporting various file formats and allowing navigation, configuration viewing, and access from multiple sources. Try it now to easily visualize and explore 3D models from anywhere.

🔧 Utilities
(5)
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
CAD Assistant
CAD Assistant
CAD Assistant
by OPEN CASCADE
Free

This application is an offline viewer and converter for 3D CAD and mesh models, allowing users to view, navigate, and export models in various formats. With intuitive multi-touch gestures, users can manipulate 3D views, query model properties, and save files in CAD or mesh formats, making it a versatile tool for working with 3D data.

📊 Productivity
(15)
19
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)
20
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)