Best Gnacad Apps

248+ iOS apps curated and reviewed

3.9 avg rating
20 free apps
Updated October 2026

The best gnacad apps on iPhone average 3.9★ across 248+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.

Compare top Gnacad Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1DWG FastView-CAD Viewer&EditorDWG FastView-CAD Viewer&EditorFree4.5★ (1.1K)YesYesOct 2026
2AutoCADAutoCADFree4.4★ (6.3K)NoYesOct 2026
3CAD Viewer EditorCAD Viewer EditorFree1.0★ (1)NoYesOct 2026
4CAD Reader-View & Measure DWGCAD Reader-View & Measure DWGFree4.0★ (22)YesYesOct 2026
5CAD FastView: DWG ViewerCAD FastView: DWG ViewerFree4.0★ (50)NoYesOct 2026
6CAD快速看图--dwg手机快速看图,设计图纸工程建筑CAD快速看图--dwg手机快速看图,设计图纸工程建筑Free—NoYesMay 2026
7BuildCAD - Design & DWG ViewerBuildCAD - Design & DWG ViewerFree—NoYesSep 2026
8ZWCAD Mobile - Mobile CADZWCAD Mobile - Mobile CADFree4.3★ (303)NoYesOct 2026

Top Picks for Gnacad

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
  • 👍 Smooth performance
  • 👍 Accurate measurements and annotations
  • 💡 Useful PDF export feature

Room to Improve

  • 🐛 Crashes and freezes
  • 💰 Subscription model with limited free features
  • 🔒 Lack of customer support and communication
  • 🔒 Unclear upgrade and purchase process
  • 🔒 Aggressive advertising and paywalls
  • 🔒 Unreliable file compatibility and opening
AutoCAD#2

AutoCAD by Autodesk Inc.

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
  • 📱 Lacks basic CAD features like hatching and dimensioning
  • 💰 Expensive subscription model

More Gnacad apps to explore

FAQ about Gnacad

What are the best gnacad apps for iPhone?
DWG FastView-CAD Viewer&Editor tops our gnacad apps ranking as of October 2026, with a 4.5-star average from 1.1K App Store ratings, and it's free to download.
Yes — 20 of the top gnacad apps we rank are free to download, including DWG FastView-CAD Viewer&Editor and AutoCAD.
DWG FastView-CAD Viewer&Editor shows ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 248+ gnacad apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.