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Best Free Cad Drawing Apps

248+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated August 2026

The best free cad drawing apps on iPhone average 4.3★ across 248+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.

Compare top Free Cad Drawing Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1AutoCADAutoCADFree4.4★ (6.3K)NoYesSep 2026
2Draft PaperDraft PaperFree was $7.994.4★ (14K)NoYesSep 2026
3Updraw - create 2D CAD drawings with dimensionsUpdraw - create 2D CAD drawings with dimensionsFree3.7★ (356)NoNoSep 2026
4Onshape 3D CADOnshape 3D CADFree3.5★ (408)NoNoSep 2026
5QuikCadQuikCadFree—NoYesJul 2026
6CAD Drawing Designer 3DCAD Drawing Designer 3DFree3.7★ (44)YesYesAug 2026
73D modeling: Design my model3D modeling: Design my modelFree4.6★ (14K)NoYesSep 2026
8DrawPlanDrawPlanFree3.5★ (5.3K)NoYesAug 2026

Top Picks for Free Cad Drawing

AutoCAD#1

AutoCAD by Autodesk Inc.

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
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 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.

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

Updraw - create 2D CAD drawings with dimensions by Ben Blevins

Worth Considering
📊 Productivity
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 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.

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
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
(408)
free with in-app purchases
5
QuikCad
QuikCad
QuikCad
Draw Projects in Minutes
Free
📊 Productivity
(0)
6
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
(44)
free with in-app purchases
7
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
(14K)
free with in-app purchases
8
DrawPlan
DrawPlan
DrawPlan
Simple FloorPlan Drawing App
Free

Easily create professional floor plans with intuitive drawing tools and AI assistance. Sketch freely or draw precise, to-scale designs, adding details like doors, windows, and furniture. Ideal for professionals and DIYers alike.

Freehand sketchingTo-scale drawing with dimensionsAI-assisted planning
📊 Productivity
(5.3K)
freemium
9
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
(18K)
free with in-app purchases
10
BuildCAD - Design & DWG Viewer
BuildCAD - Design & DWG Viewer
BuildCAD - Design & DWG Viewer
Blueprints, CAD & Floor Plans
Free
🎨 Graphics & Design
(0)
11
ViewCAD:2D/3D CAD Model Viewer
ViewCAD:2D/3D CAD Model Viewer
ViewCAD:2D/3D CAD Model Viewer
View CAD Models Anywhere
Free
📊 Productivity
(0)
12
CAD Viewer Editor
CAD Viewer Editor
CAD Viewer Editor
DWG & DXF Drawings: View, Edit
Free
🎨 Graphics & Design
(0)
13
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
14
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
15
CAD Plus
CAD Plus
CAD Plus
for DWG
Free

This app allows users to conveniently open, manage, and edit DWG drawing files. It supports various DWG versions and offers tools for modifying layouts, layers, and entities, as well as measuring distances and areas.

Open and manage DWG files (R14-2018)Drag and process large drawingsModify properties of layouts, layers, and entities
🎨 Graphics & Design
(2)
subscription
16
Draw: Step-by-Step Art Guide
Draw: Step-by-Step Art Guide
Draw: Step-by-Step Art Guide
Easy Drawing Lessons
Free
🎬 Entertainment
(0)
17
DWG FastView-CAD Viewer&Editor
DWG FastView-CAD Viewer&Editor
DWG FastView-CAD Viewer&Editor
* Support 2D/3D CAD formats
Free

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.

View and edit 2D/3D CAD drawingsSupports over 40 3D drawing formatsAccurate measurement and annotation tools
📊 Productivity
(1.1K)
free with in-app purchases
18
CAD看图 - dwg viewer
CAD看图 - dwg viewer
CAD看图 - dwg viewer
by 玲娟 干
Free
📊 Productivity
(0)
19
Photo to Sketch: AI AR Drawing
Photo to Sketch: AI AR Drawing
Photo to Sketch: AI AR Drawing
by Dcodax Ltd
Free
📷 Photo & Video
(0)
20
PlanInspect DWG Viewer
PlanInspect DWG Viewer
PlanInspect DWG Viewer
by JhumanJ
Free
📊 Productivity
(0)

FAQ about Free Cad Drawing

What are the best free cad drawing apps for iPhone?
AutoCAD tops our free cad drawing apps ranking as of August 2026, with a 4.4-star average from 6.3K App Store ratings, and it's free to download.
AutoCAD has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 248+ free cad drawing apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
The official AutoCAD mobile app allows you to view and edit CAD drawings (DWG files) anytime, anywhere. It provides essential drafting and design capabilities for everyday needs, enabling you to access, create, and update drawings directly from your mobile device.
Key features include 2D file viewing, creating and editing 2D drawings, working offline with later syncing, inserting blocks, managing layers, drafting and geometry editing tools, annotation and markup tools, and measurement tools for distance, angle, area, and radius.