Best Cad Apps

231+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated May 2026

From beginner-friendly picks to power-user tools, our CAD list covers 231+ 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

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
CAD Reader-View & Measure DWG#2

CAD Reader-View & Measure DWG by Beijing Honghu Yuntu Technology Co., Ltd.

DWG & PDF viewer
Strong Contender
📊 Productivity
4.6(2.5K ratings)
FreeAdsIn-App Purchases
CAD Reader-View & Measure DWG screenshot 1
CAD Reader-View & Measure DWG screenshot 2
CAD Reader-View & Measure DWG screenshot 3
CAD Reader-View & Measure DWG screenshot 4
CAD Reader-View & Measure DWG screenshot 5

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!

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

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 Cad apps to explore

4
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
(395)
5
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)
6
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
(8.4K)
7
Draft Paper
Draft Paper
Draft Paper
by Giles Goddard
Free
$7.99 | 100% OFF

Create detailed floor plans, layouts, or blueprints easily with Draft Paper. Draw lines, rectangles, and more on multiple layers, then export to PDF, JPEG, or DXF. Features include iCloud support, Dropbox integration, and Apple Pencil compatibility. Unlimited undo, multiple layers/colors, and intuitive zooming make this app perfect for design projects. Visit http://draftpaper-app.com for full instructions.

📊 Productivity
(14K)
8
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)
9
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)
10
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)
11
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)
12
Sketchbook®
Sketchbook®
Sketchbook®
Draw, paint, & sketch anywhere
Free

With our app, unleash your creativity by drawing and painting digitally. Express your imagination through a variety of tools and features. Start creating your masterpiece today!

🎨 Graphics & Design
(220K)
13
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 with Updraw, featuring an intuitive touch screen interface and global constraint solver. Draw shapes, add constraints for distances and angles, and export your designs as PDF or PNG images. Start designing now!

📊 Productivity
(356)
14
3D CAD Models Engineering
3D CAD Models Engineering
3D CAD Models Engineering
by CADENAS Konstruktions-, Softwareentwicklungs- und Vertriebs GmbH
Free

This app provides engineers and purchasers with direct access to thousands of certified 3D CAD models from leading manufacturers, compatible with major CAD systems. Download 2D and 3D CAD models for free, configure them easily, and benefit from certified data from suppliers.

💼 Business
(209)
15
CAD Drawing Designer 3D
CAD Drawing Designer 3D
CAD Drawing Designer 3D
Realize your project in 3D
Free

Unleash your 3D design potential with our comprehensive CAD Drawing Designer. Effortlessly create, edit, and dimension your project drawings using a vast library of construction components, materials, and intuitive CAD tools. Seamlessly import 3D data, generate photo-realistic images, and export detailed parts lists to bring your vision to life. Discover the power of 3D construction planning and realize your project with ease.

🎨 Graphics & Design
(39)
16
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)
17
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)
18
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)
19
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)
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
📊 Productivity
(2)

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