Best Scad Viewer Apps

250+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated September 2026

With an average user rating of 4.1★, the scad viewer category is one of the App Store's strongest. Browse all 250+ apps we track, sorted so the most loved ones surface first.

Compare top Scad Viewer Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1DWG FastView-CAD Viewer&EditorDWG FastView-CAD Viewer&EditorFree4.5★ (1.1K)YesYesSep 2026
2STL File Viewer ProSTL File Viewer ProFree4.5★ (65)YesYesSep 2026
33D File Viewer: OBJ STP & more3D File Viewer: OBJ STP & moreFree4.5★ (48)NoYesSep 2026
4exocad webviewexocad webviewFree4.1★ (14)NoNoJul 2026
5Autodesk FusionAutodesk FusionFree4.5★ (4.1K)NoNoAug 2026
6AutoCADAutoCADFree4.4★ (6.3K)NoYesSep 2026
7File ViewerFile ViewerFree3.4★ (5)NoNoJul 2026
8DXF Viewer: CAD File ReaderDXF Viewer: CAD File ReaderFree was $4.99NoYesAug 2026

Top Picks for Scad Viewer

DWG FastView-CAD Viewer&Editor#1

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

* Support 2D/3D CAD formats
Editor's Choice
📊 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
STL File Viewer Pro#2

STL File Viewer Pro by Andeesh Mehdi Syed

Simplest Way To View STL Files
Strong Contender
🛠️ Developer Tools
4.5(65 ratings)
FreeAdsIn-App Purchases
STL File Viewer Pro screenshot 1
STL File Viewer Pro screenshot 2
STL File Viewer Pro screenshot 3

Easily view, rotate, and inspect 3D STL files on your iPhone or iPad. Load models instantly from various sources for 3D printing, design review, or engineering inspection.

3D File Viewer: OBJ STP & more#3

3D File Viewer: OBJ STP & more by Andeesh Mehdi Syed

STP STL OBJ FBX GLTF & More
Worth Considering
🔧 Utilities
4.5(48 ratings)
FreeIn-App Purchases
3D File Viewer: OBJ STP & more screenshot 1
3D File Viewer: OBJ STP & more screenshot 2
3D File Viewer: OBJ STP & more screenshot 3

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.

More Scad Viewer apps to explore

FAQ about Scad Viewer

What are the best scad viewer apps for iPhone?
DWG FastView-CAD Viewer&Editor tops our scad viewer apps ranking as of September 2026, with a 4.5-star average from 1.1K App Store ratings, and it's free to download.
Yes — 20 of the top scad viewer apps we rank are free to download, including DWG FastView-CAD Viewer&Editor and STL File Viewer Pro.
DWG FastView-CAD Viewer&Editor shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ scad viewer apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
DWG FastView allows you to view, edit, and create 2D and 3D CAD drawings. You can perform actions like moving, copying, rotating, scaling, measuring, and annotating objects. It also supports exporting drawings to various image formats and PDF.
The app is fully compatible with AutoCAD formats like DWG and DXF. It also supports browsing over 40 formats of 3D drawings, including BIM, Revit, Solidworks, NX, CATIA, Inventor, and more.