Best Cad Viewer Editor Apps

206+ iOS apps curated and reviewed

4.0 avg rating

19 free apps

Updated June 2026

CAD Viewer Editor is the household name in cad viewer editor, but it's far from the only option. We track 206+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Cad Viewer Editor

#1

CAD Viewer Editor by Hefei Yunyilian Intelligent Technology Co., Ltd

DWG & DXF Drawings: View, Edit

Editor's Choice

🎨 Graphics & Design

0.0(0 ratings)

Free

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#2

AutoCAD by Autodesk

DWG Viewer & Editor

Strong Contender

📊 Productivity

4.4😞(6.3K ratings)

FreeIn-App Purchases

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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.

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

#3

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

* Support 2D/3D CAD formats

Worth Considering

📊 Productivity

3.7😐(50 ratings)

FreeAdsIn-App Purchases

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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.

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 Cad Viewer Editor apps to explore

ZWCAD Mobile - Mobile CAD

ZWCAD Mobile - Mobile CAD

DWG viewer and editor

This application allows users to view, edit, and share CAD drawings on their mobile devices. It supports multiple file formats, offers precise measurement tools, and includes a wide range of editing and drawing functions. It's designed for professionals in architecture, engineering, and construction.

View and edit DWG filesSupports DWF, DXF, PDF formatsPrecise measurement tools

📊 Productivity

free with in-app purchases

CAD Reader-View & Measure DWG

CAD Reader-View & Measure DWG

DWG & PDF viewer

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

free with in-app purchases

Autodesk Fusion

Autodesk Fusion

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

Speed Up Your Product Design

This professional CAD platform enables real-time collaboration on product design from any device. It offers parametric modeling tools, secure cloud storage, and version control, streamlining the design process for teams and individuals. Supports students and educators with free access for non-commercial projects.

Parametric modeling toolsReal-time team collaborationCloud-based data management

📊 Productivity

free with in-app purchases

SketchUp - 3D Modeling

SketchUp - 3D Modeling

Interior Design & Architecture

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

free with in-app purchases

CAD FastView: DWG Viewer

CAD FastView: DWG Viewer

DWG Viewer - DWG/DXF Reader

View, convert, and print CAD drawings on your mobile device. Supports DWG, DXF, and PDF formats with iCloud sync and Wi-Fi printing. Ideal for architects, engineers, and construction professionals.

Fast DWG/DXF viewingConvert drawings to PDFWi-Fi printing

📊 Productivity

uMake: 3D CAD Modeling, Design

uMake: 3D CAD Modeling, Design

Sketch, Model & Design with AI

Create professional 3D CAD models, architectural designs, and product concepts on your iPad or iPhone. This app offers industrial-grade modeling tools, AI-powered design features, and extensive resources for designers and engineers.

NURBS-based 3D modelingAI design tools for styling and renderingArchitectural and interior design tools

🎨 Graphics & Design

free with in-app purchases

DWG FastView Pro-CAD viewer

DWG FastView Pro-CAD viewer

Fully compatible with AutoCAD

This application allows users to view and edit 2D/3D CAD drawings in DWG and DXF formats. It offers free creation, browsing, and editing capabilities without requiring registration or an internet connection for local files. Users can also export drawings to PDF and image formats for easy sharing.

View and edit 2D/3D DWG/DXF filesFree drawing creation and browsingNo registration or internet required for local files

📊 Productivity

Sequence :: G-Code editor, CNC

Sequence :: G-Code editor, CNC

Machining, CAD Modeling, CAM

This app is a text editor for G-Code and M-Code, designed for machining on CNC and lathe machines. It allows users to import, save, and visualize STL models with a built-in 3D renderer. Subscriptions are available and can be canceled anytime.

G-Code and M-Code editingCNC and lathe machine code supportCommand list for G-Codes and M-Codes

🎨 Graphics & Design

free with in-app purchases

ArcSite: Floor Plans and CAD

ArcSite: Floor Plans and CAD

Sketch, Draw & Remodel On-Site

This app allows contractors to create accurate floor plans and site layouts directly on-site. It streamlines the process of planning remodels, running takeoffs, generating professional proposals, and collecting payments, all from a mobile device.

Sketch accurate floor plans on-sitePlan remodels and renovationsRun takeoff and generate material lists

📊 Productivity

free with in-app purchases

SimLab CAD Viewer

SimLab CAD Viewer

by Simulation Lab Software

View 3D CAD and architectural models on your mobile device. Navigate complex scenes with intuitive controls, explore different model configurations, and access files from various cloud storage services and email.

View 3D CAD and architectural modelsNavigate 3D scenes (rotate, pan, zoom)View different model configurations

STL File Viewer Pro

STL File Viewer Pro

Simplest Way To View STL Files

Easily view, rotate, and inspect 3D STL files on your iPhone or iPad. Load models instantly from various sources for 3D printing, design review, or engineering inspection.

Instant STL file loadingFull 360° rotation and zoomSharp detail rendering

🛠️ Developer Tools

free with in-app purchases

3D File Viewer: OBJ STP & more

3D File Viewer: OBJ STP & more

STP STL OBJ FBX GLTF & More

Easily open and explore 3D model files on your iPhone or iPad. Supports over 20 popular formats, offering smooth viewing with intuitive touch controls. Ideal for designers, engineers, architects, and students working with 3D data.

Supports over 20 3D file formatsFast and smooth 3D file viewingZoom, rotate, and pan with touch controls

free with in-app purchases

ARES Touch: DWG Viewer & CAD

ARES Touch: DWG Viewer & CAD

Read, Modify & Annotate in DWG

This CAD software allows professionals to view, create, annotate, and modify DWG drawings on mobile devices. Free users can access viewing and basic annotation tools, while subscribers unlock hundreds of advanced creation and editing features.

View, create, and modify DWG drawingsAnnotate with text, dimensions, and revision cloudsSynchronize files with cloud storage

📊 Productivity

free with in-app purchases

3D CAD Model Viewer

3D CAD Model Viewer

by Machine Research Corporation

Easily view, analyze, and share 3D CAD models and drawings from various file formats. Organize your models into a catalog for quick reference and access job information. Streamline your quoting process by leveraging past projects and profitability data.

View models from any angleApply bounding box for measurementsMarkup and annotate models

by OPEN CASCADE

View and convert 3D CAD and mesh models offline. Navigate complex assemblies, inspect model properties, and export to various formats. Supports common CAD and mesh file types for seamless workflow.

Offline viewing and conversionSupports BREP, IGES, STEP, STL, PLY, OBJ, JT, glTF formatsAssembly structure navigation

📊 Productivity

Fast STL 3D Viewer

This free 3D viewer allows you to quickly load and inspect various 3D model file formats on any mobile device. It supports common open formats and offers intuitive controls for adjusting transparency, rotation, and shading. Specialized features are available for dental professionals using specific software.

Load various 3D model formats (STL, OBJ, PLY, etc.)Intuitive touch controlsAdjust mesh transparency and shading