Best Open Acad Apps

250+ iOS apps curated and reviewed

4.1 avg rating
18 free apps
Updated October 2026

With an average user rating of 4.1★, the open acad 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 Open Acad Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1AutoCADAutoCADFree4.4★ (6.3K)NoYesOct 2026
2OpenAnyFile 2OpenAnyFile 2Free—NoNoOct 2026
3OneOpen: File ViewerOneOpen: File ViewerFree—NoYesOct 2026
47zen - 7zip, rar opener7zen - 7zip, rar openerFree5.0★ (2)NoNoSep 2026
5Document File Reader Pro - PDF Viewer and Doc Opener to Open, View, and Read DocsDocument File Reader Pro - PDF Viewer and Doc Opener to Open, View, and Read DocsFree3.6★ (286)NoNoOct 2026
6PDF Reader-for BooksPDF Reader-for BooksFree—YesNoAug 2026
7PDF Converter & File EditorPDF Converter & File EditorFree4.0★ (14)NoYesJul 2026
8PDF Converter - Editor ViewerPDF Converter - Editor ViewerFree5.0★ (3)NoYesOct 2026

Top Picks for Open Acad

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

More Open Acad apps to explore

FAQ about Open Acad

What are the best open acad apps for iPhone?
AutoCAD tops our open acad apps ranking as of October 2026, with a 4.4-star average from 6.3K App Store ratings, and it's free to download.
Yes — 18 of the top open acad apps we rank are free to download, including AutoCAD and OpenAnyFile 2.
AutoCAD has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 250+ open acad apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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