Best Gnacad Apps

250+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated September 2026

The best gnacad apps on iPhone average 4.1★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.

Compare top Gnacad Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1CAD Viewer EditorCAD Viewer EditorFree1.0★ (1)NoNoSep 2026
2AutoCADAutoCADFree4.4★ (6.3K)NoYesSep 2026
3DWG FastView-CAD Viewer&EditorDWG FastView-CAD Viewer&EditorFree4.5★ (1.1K)YesYesSep 2026
4ArcSite: Quick CAD Floor PlansArcSite: Quick CAD Floor PlansFree4.7★ (9.1K)NoYesSep 2026
5BuildCAD - Design & DWG ViewerBuildCAD - Design & DWG ViewerFree—NoYesSep 2026
6CAD Reader-View & Measure DWGCAD Reader-View & Measure DWGFree4.0★ (22)YesYesSep 2026
7CAD to PDF ConverterCAD to PDF ConverterFree—NoYesMay 2026
8ZWCAD Mobile - Mobile CADZWCAD Mobile - Mobile CADFree4.3★ (303)NoYesSep 2026

Top Picks for Gnacad

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
DWG FastView-CAD Viewer&Editor#3

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

* Support 2D/3D CAD formats
Worth Considering
📊 Productivity
4.5😐(1.1K ratings)
FreeAdsIn-App Purchases
DWG FastView-CAD Viewer&Editor screenshot 1
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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

More Gnacad apps to explore

FAQ about Gnacad

What are the best gnacad apps for iPhone?
CAD Viewer Editor tops our gnacad apps ranking as of September 2026, with a 1.0-star average from 1 App Store ratings, and it's free to download.
Yes — 20 of the top gnacad apps we rank are free to download, including CAD Viewer Editor and AutoCAD.
CAD Viewer Editor has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 250+ gnacad apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
CAD Viewer Editor supports DWG files from R14 through R2018, and DXF ASCII read & write. This ensures compatibility with most mainstream releases and allows for round-tripping with other desktop CAD applications.
Yes, CAD Viewer Editor is designed for offline use. You can open and edit drawings entirely offline, ensuring your privacy and accessibility regardless of internet availability.