Best Free Cad Drawing Apps

248+ iOS apps curated and reviewed

3.8 avg rating
19 free apps
Updated September 2026

The best free cad drawing apps on iPhone average 3.8★ across 248+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.

Compare top Free Cad Drawing Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1AutoCADAutoCADFree4.4★ (6.3K)NoYesSep 2026
2Draft PaperDraft PaperFree4.4★ (16K)NoYesSep 2026
3Updraw - create 2D CAD drawings with dimensionsUpdraw - create 2D CAD drawings with dimensionsFree3.7★ (356)NoNoSep 2026
4Onshape 3D CADOnshape 3D CADFree3.5★ (408)NoNoSep 2026
5QuikCadQuikCadFree—NoYesJul 2026
6DrawPlanDrawPlanFree3.5★ (5.3K)NoYesSep 2026
7SketchUp - 3D ModelingSketchUp - 3D ModelingFree4.5★ (18K)NoYesSep 2026
8CAD Drawing Designer 3DCAD Drawing Designer 3DFree3.7★ (44)YesYesAug 2026

Top Picks for Free Cad Drawing

AutoCAD#1

AutoCAD by Autodesk Inc.

DWG Viewer & Editor
Editor's Choice
📊 Productivity
4.4😞(6.3K ratings)
FreeIn-App Purchases
AutoCAD screenshot 1
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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
4.4😐(16K ratings)
FreeIn-App Purchases
Draft Paper screenshot 1
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Draft Paper screenshot 4

Create floor plans, layouts, and blueprints with ease using intuitive drawing tools. Support for multiple layers, iCloud, and Dropbox integration allows for seamless workflow. Export your designs to various formats for printing or further editing.

What We Love

  • 👍 Simple and intuitive to use
  • 💡 Useful for quick sketches and floor plans
  • 🚀 Efficient for basic drafting needs
  • 😊 Great value for the price

Room to Improve

  • 🐛 Frequent crashes and loss of work
  • 🔧 Limited functionality compared to professional CAD tools
  • 🔧 Difficulty with precise measurements and line placement
  • 🔧 Lack of advanced features like text editing and color fill
Updraw - create 2D CAD drawings with dimensions screenshot 1
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Updraw - create 2D CAD drawings with dimensions screenshot 5

Create precise 2D CAD drawings on your mobile device. Add familiar shapes and apply various constraints to calculate unknown dimensions and angles. Export your designs as PDF or PNG images.

What We Love

  • 🚀 Parametric CAD on the go
  • 👍 User-friendly interface
  • 🚀 Simple and works
  • 👍 Great user-friendly interface
  • 🚀 Powerful sketching tool
  • 👍 Great for quick sketches and layouts

Room to Improve

  • 🐛 Crashes when setting scale
  • 🐛 Crashes when opening
  • 🐛 Deforms drawing when moving shapes
  • 🐛 Buggy and glitchy
  • 👎 No instructions or tutorials
  • 👎 Difficult to use without instructions
  • 👎 Unusable UI with menus in inconvenient locations
  • 👎 Lacks basic features like deleting lines

More Free Cad Drawing apps to explore

FAQ about Free Cad Drawing

What are the best free cad drawing apps for iPhone?
AutoCAD tops our free cad drawing apps ranking as of September 2026, with a 4.4-star average from 6.3K App Store ratings, and it's free to download.
AutoCAD has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 248+ free cad drawing apps on the iOS App Store as of September 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.