Best Gnacad Apps

242+ iOS apps curated and reviewed

3.8 avg rating
20 free apps
Updated July 2026

The best gnacad apps on iPhone average 3.8★ across 242+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.

Top Picks for Gnacad

AutoCAD#2

AutoCAD by Autodesk

DWG Viewer & Editor
Strong Contender
📊 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
4.4😐(1K 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 Gnacad apps to explore

4
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
5
CAD Reader-View & Measure DWG
CAD Reader-View & Measure DWG
CAD Reader-View & Measure DWG
DWG & PDF viewer
Free

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
(22)
free with in-app purchases
6
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
7
CADraw
CADraw
CADraw
CAD Drawing tools
Free

Create and edit precise technical drawings with a variety of tools. Supports layers, annotations, and export to common formats like PDF and DXF. Ideal for detailed design work on mobile devices.

Draw lines, circles, arcsShape editing and modificationAngle constraints
📊 Productivity
(9)
free with in-app purchases
8
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
(8.6K)
free with in-app purchases
9
ARES Touch: DWG Viewer & CAD
ARES Touch: DWG Viewer & CAD
ARES Touch: DWG Viewer & CAD
Read, Modify & Annotate in DWG
Free

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
(143)
free with in-app purchases
10
CAD HD
CAD HD
CAD HD
concept drafting sketch, study
Free

Create intricate patterns and digital art with a variety of professional coloring styles. The generated images are suitable for use in designs, reports, social media, and documents. Enjoy a relaxing and creative digital experience on your iPhone and iPad.

Professional coloring stylesPattern and paint creationZoom-in and zoom-out for detail
📊 Productivity
(4)
free with in-app purchases
11
DWG Tools - View & Convert DWG
DWG Tools - View & Convert DWG
DWG Tools - View & Convert DWG
View and convert CAD drawings
Free

This application allows users to view and convert various CAD file formats, including DWG, DXF, and PDF. It offers robust drawing management, gesture-based view manipulation, and batch conversion capabilities for efficient workflow.

View DWG, DXF, DWF, PDF, SVG filesGesture-based view manipulationLayer management
📊 Productivity
(7)
freemium
12
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
13
Nagad
Nagad
Nagad
by Bangladesh Post Office
Free

Manage your daily financial transactions with ease, including cash in, cash out, sending money, and mobile recharge. The app offers secure transactions with PIN verification, transaction history, and personalized features. It supports multiple mobile network operators for bill payments and recharges.

Cash in and cash outSend money (P2P)Mobile recharge and postpaid bill payment
💰 Finance
(1.9K)
free
14
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
15
DWG Reader Converter PDF CAD
DWG Reader Converter PDF CAD
DWG Reader Converter PDF CAD
DWG File Reader Convert CAD
Free

Easily view, convert, and share DWG files with this comprehensive tool. Supports multiple output formats like PDF, CAD, and images. Offers batch processing and custom conversion settings for efficient workflow.

Multi-format DWG conversion (PDF, CAD, SVG, JPEG, PNG, TIFF)High-quality DWG viewing with zoom, pan, rotate, and layer managementBatch processing for multiple file conversions
🔧 Utilities
(8)
free with in-app purchases
16
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
17
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
18
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
(1)
subscription
19
DXF File Reader Viewer PDF
DXF File Reader Viewer PDF
DXF File Reader Viewer PDF
DXF Converter to DWG,PDF
Free

Easily view and convert DXF files to various formats, including PDF, DWG, and image files. This tool offers batch processing, cloud integration, and a user-friendly interface for professionals, students, and hobbyists.

View DXF files with detailed displayConvert DXF to PDF, DWG, JPG, PNG, etc.Supports multiple output formats
📷 Photo & Video
(61)
free with in-app purchases
20
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