1. Home
  2. Topics
  3. Oto Cad

Best Oto Cad Apps

250+ iOS apps curated and reviewed

4.2 avg rating
19 free apps
Updated August 2026

Whether you're new to oto cad or looking for an upgrade, our curated collection of 250+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Oto Cad Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1AutoCADAutoCADFree4.4★ (6.3K)NoYesAug 2026
2DWG FastView-CAD Viewer&EditorDWG FastView-CAD Viewer&EditorFree4.5★ (1.1K)YesYesAug 2026
3CAD Reader-View & Measure DWGCAD Reader-View & Measure DWGFree4.0★ (22)YesYesSep 2026
4ArcSite: Quick CAD Floor PlansArcSite: Quick CAD Floor PlansFree4.7★ (8.9K)NoYesAug 2026
5DrawPlanDrawPlanFree3.5★ (5.3K)NoYesAug 2026
6QuikCadQuikCadFree—NoYesJul 2026
7CAD Viewer EditorCAD Viewer EditorFree—NoNoAug 2026
8BuildCAD - Design & DWG ViewerBuildCAD - Design & DWG ViewerFree—NoYesAug 2026

Top Picks for Oto Cad

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
DWG FastView-CAD Viewer&Editor#2

DWG FastView-CAD Viewer&Editor by Gstarsoft Co., Ltd

* Support 2D/3D CAD formats
Strong Contender
📊 Productivity
4.5😐(1.1K 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 Oto Cad apps to explore

4
ArcSite: Quick CAD Floor Plans
ArcSite: Quick CAD Floor Plans
ArcSite: Quick CAD Floor Plans
Layouts, Takeoffs, & Proposals
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
(8.9K)
free with in-app purchases
5
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
6
QuikCad
QuikCad
QuikCad
Draw Projects in Minutes
Free
📊 Productivity
(0)
7
CAD Viewer Editor
CAD Viewer Editor
CAD Viewer Editor
DWG & DXF Drawings: View, Edit
Free
🎨 Graphics & Design
(0)
8
BuildCAD - Design & DWG Viewer
BuildCAD - Design & DWG Viewer
BuildCAD - Design & DWG Viewer
Blueprints, CAD & Floor Plans
Free
🎨 Graphics & Design
(0)
9
CAD教程 - CAD自学教程
CAD教程 - CAD自学教程
CAD教程 - CAD自学教程
by 立乾 董
Free
📚 Education
(0)
10
CAD Import - For PDF to DWG
CAD Import - For PDF to DWG
CAD Import - For PDF to DWG
Convert PDF, DWF, DGN to CAD
Free

Easily convert vector graphics from PDF, DWF, and other formats into CAD files like DWG and DXF. Save time by avoiding manual redrawing of designs. Supports batch conversion and previewing of files.

Convert PDF, DWF, DAE, DGN to DWG, DXF, DWFConvert DXF/DWG to different DWG/DXF versionsConvert vector graphics to CAD files
🎨 Graphics & Design
(0)
free with in-app purchases
11
Image&PDF to CAD-CAD Converter
Image&PDF to CAD-CAD Converter
Image&PDF to CAD-CAD Converter
AI-Powered CAD Converter
Free

Transform images and PDFs into editable CAD files with AI-powered conversion. Supports batch processing and multiple standard CAD formats, ensuring high accuracy for professional use. Ideal for architects, engineers, designers, and hobbyists.

Image to CAD conversionPDF to CAD conversionBatch file processing
🎨 Graphics & Design
(0)
free with in-app purchases
12
STEP, IGES & 3D CAD Viewer
STEP, IGES & 3D CAD Viewer
STEP, IGES & 3D CAD Viewer
STL, OBJ Files, AR & Reports
Free
📊 Productivity
(0)
13
Professional CAD drawing
Professional CAD drawing
Professional CAD drawing
by Mahmood Khalid
Free
📊 Productivity
(0)
14
CADSOMA - AEC & CAD Tools hub
CADSOMA - AEC & CAD Tools hub
CADSOMA - AEC & CAD Tools hub
AI Assistant for CAD/AEC
Free
💼 Business
(0)
15
OpenDXF
OpenDXF
OpenDXF
DXF Viewer & Dimensioning
Free
🔧 Utilities
(0)
16
CAD Converter Viewer
CAD Converter Viewer
CAD Converter Viewer
CAD to PDF & Image Converter
Free

Easily convert CAD files to high-definition images or PDFs. Preview, download, export, and share your converted files with ease. Offers premium membership for enhanced features.

Convert CAD to imageConvert CAD to PDFHigh-definition conversion
🎨 Graphics & Design
(0)
freemium
17
CADSOMA
CADSOMA
CADSOMA
Find CAD plugins easy
Free
🔧 Utilities
(0)
18
CADDaddy: CAD Viewer
CADDaddy: CAD Viewer
CADDaddy: CAD Viewer
Open almost any CAD file
$12.99
$19.99 | 35% OFF
📊 Productivity
(0)
19
SnapCAD Viewer
SnapCAD Viewer
SnapCAD Viewer
Lightweight DWG/DXF Viewer
Free
📊 Productivity
(0)
20
NORO
NORO
NORO
by NORO GmbH
Free

Access 3D CAD data for a standard product range of pipes, mouldings, and distribution systems. Engineers and project managers can view models for steel and chromium-nickel steel components directly on mobile devices.

3D CAD data accessStandard product rangePipes, mouldings, distribution systems
📊 Productivity
(0)
free

FAQ about Oto Cad

What are the best oto cad apps for iPhone?
AutoCAD tops our oto cad apps ranking as of August 2026, with a 4.4-star average from 6.3K App Store ratings, and it's free to download.
Yes — 19 of the top oto cad apps we rank are free to download, including AutoCAD and DWG FastView-CAD Viewer&Editor.
AutoCAD has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ oto cad 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.