Best Cad Viewer Editor Apps

246+ iOS apps curated and reviewed

3.7 avg rating
16 free apps
Updated August 2026

CAD Viewer Editor is the household name in cad viewer editor, but it's far from the only option. We track 246+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Cad Viewer Editor Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1CAD Viewer EditorCAD Viewer EditorFreeNoNoAug 2026
2DWG FastView-CAD Viewer&EditorDWG FastView-CAD Viewer&EditorFree4.5★ (1.1K)YesYesAug 2026
3ZWCAD Mobile - Mobile CADZWCAD Mobile - Mobile CADFree4.3★ (302)NoYesAug 2026
4CAD Reader-View & Measure DWGCAD Reader-View & Measure DWGFree4.0★ (22)YesYesAug 2026
5AutoCADAutoCADFree4.4★ (6.3K)NoYesAug 2026
6CADDaddy: CAD ViewerCADDaddy: CAD Viewer$12.99 was $19.99NoNoJul 2026
7DWG FastView Pro-CAD viewerDWG FastView Pro-CAD viewer$9.993.5★ (16)NoNoAug 2026
8STP Viewer : STEP 3DSTP Viewer : STEP 3DFreeNoYesJul 2026

Top Picks for Cad Viewer Editor

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
ZWCAD Mobile - Mobile CAD#3

ZWCAD Mobile - Mobile CAD by ZWCAD Software Co.,Ltd.

DWG viewer and editor
Worth Considering
📊 Productivity
4.3😊(302 ratings)
FreeIn-App Purchases
ZWCAD Mobile - Mobile CAD screenshot 1
ZWCAD Mobile - Mobile CAD screenshot 2
ZWCAD Mobile - Mobile CAD screenshot 3
ZWCAD Mobile - Mobile CAD screenshot 4
ZWCAD Mobile - Mobile CAD screenshot 5

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.

What We Love

  • 🚀 Fast and efficient
  • 👍 User-friendly interface
  • 💡 Convenient cloud integration
  • 🚀 Smooth performance even with large files

Room to Improve

  • 🐛 Crashes and stability issues after updates
  • 🔒 Login and registration problems
  • 🔋 High battery consumption

More Cad Viewer Editor apps to explore

4
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
5
AutoCAD
AutoCAD
AutoCAD
DWG Viewer & Editor
Free

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.

2D file viewingCreate, edit, and share 2D drawingsOffline work and sync
📊 Productivity
(6.3K)
freemium
6
CADDaddy: CAD Viewer
CADDaddy: CAD Viewer
CADDaddy: CAD Viewer
Open almost any CAD file
$12.99
$19.99 | 35% OFF
📊 Productivity
(0)
7
DWG FastView Pro-CAD viewer
DWG FastView Pro-CAD viewer
DWG FastView Pro-CAD viewer
Fully compatible with AutoCAD
$9.99

This application allows users to view and edit 2D/3D CAD drawings in DWG and DXF formats. It offers free creation, browsing, and editing capabilities without requiring registration or an internet connection for local files. Users can also export drawings to PDF and image formats for easy sharing.

View and edit 2D/3D DWG/DXF filesFree drawing creation and browsingNo registration or internet required for local files
📊 Productivity
(16)
free
8
STP Viewer : STEP 3D
STP Viewer : STEP 3D
STP Viewer : STEP 3D
3D CAD File Reader & Opener
Free
🔧 Utilities
(0)
9
DXF Viewer: CAD File Reader
DXF Viewer: CAD File Reader
DXF Viewer: CAD File Reader
Open & View DXF Drawings
Free
$4.99 | 100% OFF
🔧 Utilities
(0)
10
Model Viewer | CAD Viewer
Model Viewer | CAD Viewer
Model Viewer | CAD Viewer
STL, GLB, USD, OBJ, 3DM, PLY
Free
🎨 Graphics & Design
(0)
11
DWG Viewer 3D - For DWG to PDF
DWG Viewer 3D - For DWG to PDF
DWG Viewer 3D - For DWG to PDF
View CAD drawings (DWG & DXF)
$9.99
📊 Productivity
(0)
12
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)
13
Glovius - 3D CAD File Viewer
Glovius - 3D CAD File Viewer
Glovius - 3D CAD File Viewer
View CAD files on iPhone, iPad
Free

View, analyze, and collaborate on 3D CAD files directly from your mobile device. Supports numerous popular CAD formats and offers tools for measurements, reporting, and team feedback.

View 3D CAD parts and assembliesSupport for numerous CAD file formatsOffline viewing of downloaded files
🔧 Utilities
(1)
subscription
14
DWG Viewer 2D - For DWG to PDF
DWG Viewer 2D - For DWG to PDF
DWG Viewer 2D - For DWG to PDF
View CAD drawings (DWG & DXF)
$6.99

View and convert 2D CAD files from DWG and DXF formats to PDF. Supports local and iCloud files, with various zoom, pan, and rotation tools. Offers multiple language support for CAD elements.

View DWG and DXF filesConvert to PDFZoom and pan controls
📊 Productivity
(1)
paid
15
Wonder CAD - DWG Editor
Wonder CAD - DWG Editor
Wonder CAD - DWG Editor
DWG Viewer & Editor
Free

This application transforms your mobile device into a powerful CAD workstation. Access, edit, and manage your designs with precision tools, secure sharing options, and seamless file management. Work offline and collaborate effortlessly.

Seamless project importPrecision viewing and editingAdd watermark for secure sharing
🔧 Utilities
(7)
freemium
16
3D File Viewer: OBJ STP & more
3D File Viewer: OBJ STP & more
3D File Viewer: OBJ STP & more
STP STL OBJ FBX GLTF & More
Free

Easily open and explore 3D model files on your iPhone or iPad. Supports over 20 popular formats, offering smooth viewing with intuitive touch controls. Ideal for designers, engineers, architects, and students working with 3D data.

Supports over 20 3D file formatsFast and smooth 3D file viewingZoom, rotate, and pan with touch controls
🔧 Utilities
(48)
free with in-app purchases
17
CAD FastView: DWG Viewer
CAD FastView: DWG Viewer
CAD FastView: DWG Viewer
DWG,DXF,DWT Viewer -CAD viewer
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
(50)
freemium
18
STEP Viewer
STEP Viewer
STEP Viewer
Fast STEP File Viewer
Free
📊 Productivity
(0)
19
3D CAD Model Viewer
3D CAD Model Viewer
3D CAD Model Viewer
by Machine Research Corporation
Free

Easily view, analyze, and share 3D CAD models and drawings from various file formats. Organize your models into a catalog for quick reference and access job information. Streamline your quoting process by leveraging past projects and profitability data.

View models from any angleApply bounding box for measurementsMarkup and annotate models
💼 Business
(13)
free
20
CNC Model Viewer
CNC Model Viewer
CNC Model Viewer
by CHANCELLOR G KREMER
Free
$2.99 | 100% OFF

This application allows engineers, machinists, and designers to view and inspect complex 3D CAD models on iOS devices. It supports a wide range of file formats and offers tools for measurement, material assignment, and weight calculation, all while operating fully offline.

Supports STEP, IGES, STL, OBJ, glTF, GLB, PLY, VRML, BREP formatsPrecise measurement of dimensions, angles, and lengthsMaterial assignment and weight calculation
📊 Productivity
(3)
free with in-app purchases

FAQ about Cad Viewer Editor

Are there free cad viewer editor apps for iPhone?
Yes — 16 of the top cad viewer editor apps we rank are free to download, including CAD Viewer Editor and DWG FastView-CAD Viewer&Editor.
CAD Viewer Editor has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 246+ cad viewer editor apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.