Best Free Cad Drawing Apps

227+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated June 2026

The best free cad drawing apps on iPhone average 4.2★ across 227+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.

Top Picks for Free Cad Drawing

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
Draft Paper#2

Draft Paper by Giles Goddard

Strong Contender
📊 Productivity
4.4😐(14K ratings)
FreeIn-App Purchases
Draft Paper screenshot 1
Draft Paper screenshot 2
Draft Paper screenshot 3

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.

What We Love

  • 👍 Simple and intuitive to use
  • 💡 Useful for quick sketches and floor plans
  • 🚀 Efficient for basic drafting needs
  • 😊 Great value for the price

Room to Improve

  • 🐛 Frequent crashes and loss of work
  • 🔧 Limited functionality compared to professional CAD tools
  • 🔧 Difficulty with precise measurements and line placement
Updraw - create 2D CAD drawings with dimensions#3
3.7😐(356 ratings)
Free
Updraw - create 2D CAD drawings with dimensions screenshot 1
Updraw - create 2D CAD drawings with dimensions screenshot 2
Updraw - create 2D CAD drawings with dimensions screenshot 3
Updraw - create 2D CAD drawings with dimensions screenshot 4
Updraw - create 2D CAD drawings with dimensions screenshot 5

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!

What We Love

  • 🚀 Parametric CAD on the go
  • 👍 User-friendly interface
  • 🚀 Simple and works
  • 👍 Great user-friendly interface

Room to Improve

  • 🐛 Crashes when setting scale
  • 🐛 Crashes when opening
  • 🐛 Deforms drawing when moving shapes

More Free Cad Drawing apps to explore

4
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)
5
DrawPlan
DrawPlan
DrawPlan
Simple FloorPlan Drawing App
Free

Create professional floor plans easily with DrawPlan by simply using your touch. Add objects and labels, create multiple plans, and access saved plans and export features by subscribing monthly or yearly. Enjoy a free 7-day trial, then subscribe for $1.99 monthly or $19.99 yearly. Manage subscriptions in your App Store settings. Visit https://www.drawplan.net/privacy-policy/ for privacy policy and https:/www.drawplan.net/terms-of-use/ for Terms of Service.

📊 Productivity
(5.3K)
6
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)
7
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)
8
DWG FastView-CAD Viewer&Editor
DWG FastView-CAD Viewer&Editor
DWG FastView-CAD Viewer&Editor
* Support 2D/3D CAD formats
Free

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.

📊 Productivity
(50)
9
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)
10
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)
11
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)
12
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)
13
CADraw
CADraw
CADraw
CAD Drawing tools
Free

This application provides a comprehensive set of CAD drawing tools, allowing users to easily create and edit shapes, utilize snapping and angle constraints, and add annotations, with the ability to export and share drawings in various formats. Try it out to streamline your drawing and design process with its user-friendly features and precise control.

📊 Productivity
(9)
14
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)
15
Simply Draw: Learn to Draw
Simply Draw: Learn to Draw
Simply Draw: Learn to Draw
Step-by step drawing lessons
Free

Learn to draw beautifully with personalized tutorials, feedback, and tips through this app. Start your creative journey today and master new drawing skills at your own pace.

📚 Education
(672K)
16
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)
17
Drawing Desk:Learn How to Draw
Drawing Desk:Learn How to Draw
Drawing Desk:Learn How to Draw
How to paint, Art lesson games
Free

Learn to draw with the best platform for digital art! Trusted by millions, our app offers professional tools and 600+ engaging lessons to enhance your skills. Perfect for adults, kids, and art enthusiasts. Let your creativity flow!

📚 Education
(221K)
18
Whiteboard: just draw together
Whiteboard: just draw together
Whiteboard: just draw together
simple, easy, focused and fun
Free

A simple and engaging drawing app with basic colors, Whiteboard is designed for easy and focused drawing. Users can draw together with friends and family, save and share their creations, and enjoy various features like undo, redo, and a special "Rainbow" marker. Express your creativity with Whiteboard today!

💼 Business
(80K)
19
PicTrace: AR Drawing & Sketch
PicTrace: AR Drawing & Sketch
PicTrace: AR Drawing & Sketch
Easy AR draw trace & paint
Free

Unleash your creativity with AR Tracer: Trace Drawing! Turn any photo or sample into a traceable outline, record your drawing process, access various templates, and easily save and share your artwork. Experience the precision and ease of AR tracing - download now!

🎨 Graphics & Design
(4.3K)
20
AR Drawing: Sketch & Paint
AR Drawing: Sketch & Paint
AR Drawing: Sketch & Paint
Trace & Draw picture on paper
Free

AR Drawing lets you unleash your creativity by using augmented reality technology to draw and create 3D artworks in your surroundings. Bring your imagination to life in a whole new way! Start drawing in AR today!

🎨 Graphics & Design
(82K)