Best Cad Apps

226+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated May 2026

From beginner-friendly picks to power-user tools, our cad list covers 226+ iPhone apps updated through May 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Cad

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

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
DWG FastView-CAD Viewer&Editor#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
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

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 apps to explore

4
Onshape 3D CAD
Onshape 3D CAD
Onshape 3D CAD
Speed Up Your Product Design
Free

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
(399)
free with in-app purchases
5
3D modeling: Design my model
3D modeling: Design my model
3D modeling: Design my model
Sculpt & sketch digital art
Free

Create 3D models and digital art on your mobile device. Sculpt, sketch, and color your designs with intuitive gesture controls and a comprehensive set of modeling tools. Export your creations in standard formats.

Gesture-based 3D manipulationVertex, edge, and face editing toolsSculpting and coloring capabilities
🎨 Graphics & Design
(13K)
free with in-app purchases
6
ArcSite: Floor Plans and CAD
ArcSite: Floor Plans and CAD
ArcSite: Floor Plans and CAD
Sketch, Draw & Remodel On-Site
Free

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
(8.5K)
free with in-app purchases
7
Draft Paper
Draft Paper
Draft Paper
by Giles Goddard
Free
$7.99 | 100% OFF

Create floor plans, layouts, and blueprints with ease using intuitive drawing tools. Support for multiple layers, iCloud, and Dropbox integration allows for seamless workflow. Export your designs to various formats for printing or further editing.

Draw lines, rectangles, text, and moreSupport for multiple layersExport to PDF, JPEG, and DXF
📊 Productivity
(14K)
free with in-app purchases
8
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
9
ZWCAD Mobile - Mobile CAD
ZWCAD Mobile - Mobile CAD
ZWCAD Mobile - Mobile CAD
DWG viewer and editor
Free

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
(303)
free with in-app purchases
10
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
11
Updraw - create 2D CAD drawings with dimensions
Updraw - create 2D CAD drawings with dimensions
Updraw - create 2D CAD drawings with dimensions
by Ben Blevins
Free

Create precise 2D CAD drawings on your mobile device. Add familiar shapes and apply various constraints to calculate unknown dimensions and angles. Export your designs as PDF or PNG images.

Intuitive touch screen interface2D geometry tools (lines, circles, arcs)Global constraint solver
📊 Productivity
(356)
free
12
uMake: 3D CAD Modeling, Design
uMake: 3D CAD Modeling, Design
uMake: 3D CAD Modeling, Design
Sketch, Model & Design with AI
Free

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
(4K)
free with in-app purchases
13
CAD Assistant
CAD Assistant
CAD Assistant
by OPEN CASCADE
Free

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
(15)
free
14
CAD Drawing Designer 3D
CAD Drawing Designer 3D
CAD Drawing Designer 3D
Realize your project in 3D
Free

Design and plan your projects in 3D with a comprehensive library of construction components and intuitive CAD tools. Easily create, edit, and dimension drawings, import various 3D data formats, and generate realistic visualizations. Export material lists for efficient implementation.

3D construction and 2D viewsComponent library (wood, steel, concrete)Drag & drop 3D object insertion
🎨 Graphics & Design
(39)
free with in-app purchases
15
Morpholio Trace - Sketch CAD
Morpholio Trace - Sketch CAD
Morpholio Trace - Sketch CAD
Design & Architecture Drawing
Free

This app is a comprehensive design and architecture drawing tool. It allows users to sketch, layer ideas, and communicate designs through markups. It supports various file types and offers tools for creating professional-quality drawings to scale.

Layered idea developmentDrawing markup and communicationDrawing to scale
🎨 Graphics & Design
(11K)
free with in-app purchases
16
Sketchbook®
Sketchbook®
Sketchbook®
Draw, paint, & sketch anywhere
Free

This app provides a professional-grade drawing and painting experience for artists and illustrators. It offers a natural drawing feel with customizable tools, layers, and guides for precision. Unlock advanced features like custom brushes and canvas resizing with an optional premium purchase.

Full complement of brush typesHighly customizable brushesGuides, rulers, and stroke tools
🎨 Graphics & Design
(220K)
free with in-app purchases
17
3D CAD Models Engineering
3D CAD Models Engineering
3D CAD Models Engineering
by CADENAS Konstruktions-, Softwareentwicklungs- und Vertriebs GmbH
Free

Access and download thousands of 3D CAD models from over 400 certified catalogs of leading manufacturers. Configure and use these models in major CAD systems for free.

Thousands of 3D CAD modelsAccess to 400+ certified catalogsFree download of 2D and 3D models
💼 Business
(209)
free
18
Polycam 3D Scans & Floor Plans
Polycam 3D Scans & Floor Plans
Polycam 3D Scans & Floor Plans
LiDAR for Measurement & CAD
Free

Create high-quality 3D models, precise LiDAR scans, and immersive 360° images directly from your iPhone or iPad. Edit and export your creations in industry-standard formats, and share them with a global community of creators.

Create high-quality 3D models from photosPrecise LiDAR 3D scanningGenerate detailed 3D room models
📷 Photo & Video
(43K)
free with in-app purchases
19
CAD FastView: DWG Viewer
CAD FastView: DWG Viewer
CAD FastView: DWG Viewer
DWG Viewer - DWG/DXF Reader
Free

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
(33)
freemium
20
CAD迷你看图 - 经典的CAD手机快速看图工具
CAD迷你看图 - 经典的CAD手机快速看图工具
CAD迷你看图 - 经典的CAD手机快速看图工具
by Shanghai Xiaocai Technology Co., Ltd
Free

This app allows users to view, edit, measure, and convert CAD drawings on mobile devices. It supports various file formats and offers collaboration features, making it a comprehensive tool for CAD professionals on the go.

View DWG, DXF, and other formatsSimple editing and graphic modificationLength and area measurement
📊 Productivity
(366)
free with in-app purchases

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