Comparison

CAD Viewer Editor vs CAD Studio

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

CAD Viewer Editor

This app allows users to view and edit DWG and DXF CAD files offline on Apple devices. It supports a wide range of AutoCAD-compatible drawing versions and offers robust 2D drafting tools. Users can also export drawings to PDF and PNG formats.

Highlights
  • View and edit DWG & DXF drawings
  • Offline functionality
  • 2D drafting and editing tools
  • Export to PDF and PNG
  • Privacy-focused design
  • Optimized for Apple devices
Features
Read full description

CAD Viewer Editor is a fast, privacy-first DWG & DXF viewer and 2D editor for iPhone, iPad, and Mac. Open AutoCAD-compatible drawings from email, AirDrop, the Files app, iCloud, Dropbox, or Google Drive — and work on them entirely offline. No account, no ads, no uploads. CAD Viewer Editor renders large drawings smoothly on Apple silicon, with crisp lines, accurate colors, faithful layer rendering, and proper SHX / TTF / Big Font text. KEY FEATURES Open DWG & DXF drawings • DWG R14 through R2018 — every mainstream release • DXF ASCII read & write — round-trip to AutoCAD, BricsCAD, ZWCAD, GstarCAD, DraftSight • Multi-document tabs — switch between drawings instantly • Drag & drop files onto the canvas (iPad / Mac) • Open from Files, Mail, Safari, AirDrop, Share Sheet Smooth viewing • Pinch to zoom, two-finger pan, double-tap to fit • Configurable grid, axes, and background • Layer panel: show, hide, isolate, lock • Block (INSERT) browser — drill into nested blocks • Object properties: color, layer, linetype, line weight, geometry 2D drafting & editing tools • Draw lines, polylines, circles, arcs, rectangles, ellipses, splines, text • Move, copy, rotate, scale, mirror, offset, trim, extend • Grip-edit selected objects with direct manipulation • Snap to grid; smart selection (window, crossing, all) • Multi-level undo & redo Export & share • Export to PDF — single-page or multi-page, custom size • Export to PNG raster at any resolution • Export back to DXF for round-tripping to desktop CAD • Export tables to CSV • System Share Sheet — Mail, Messages, AirDrop Designed for privacy • Fully offline — no internet required to open or edit • Zero account, zero sign-up, zero ads • Your drawings never leave the device unless YOU share them • No telemetry by default; opt-in crash reports only iPad & Apple Pencil ready • Layouts optimized for iPhone, iPad, and macOS • Apple Pencil support for precise selection and markup • Stage Manager and multitasking on iPad • Trackpad, mouse, keyboard shortcut support on Mac 57 languages English, 简体中文, 繁體中文, 日本語, 한국어, Español, Français, Deutsch, Português, Italiano, Русский, العربية, Türkçe, Tiếng Việt, ไทย, हिन्दी, and more. WHO IT'S FOR • Architects and structural engineers on site • Mechanical, electrical, plumbing engineers reviewing shop drawings • Civil, road, bridge and survey engineers • Interior designers reviewing floor plans • Project managers, contractors, foremen • Real-estate agents reviewing blueprints • CAD students learning AutoCAD-compatible workflows COMPATIBILITY CAD Viewer Editor reads and writes DWG / DXF files produced by AutoCAD, BricsCAD, ZWCAD, GstarCAD, DraftSight, LibreCAD, QCAD, and other CAD applications. Not affiliated with or endorsed by Autodesk, Inc. FEEDBACK We read every email. Tap "Send Feedback" in the app, or write to support@iothub.cloud — feature requests welcome. Give it a try — no account, no commitment. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

CAD Studio

Create, edit, and view technical drawings on your mobile device. This professional 2D CAD tool offers a full drawing engine, multi-layer management, and precise snapping for engineers, architects, designers, and students.

Highlights
  • Full 2D drawing engine
  • Multi-layer management
  • Import DWG, DXF, and image files
  • Precise snapping tools
  • Built-in templates
  • Export and share projects
Features
Read full description

Professional 2D CAD drawing studio in your pocket. CAD Studio is a powerful mobile CAD tool for engineers, architects, designers and students. Create, edit and view technical drawings anytime, anywhere. KEY FEATURES: • Full 2D drawing engine — lines, arcs, circles, polylines, polygons • Multi-layer management with visibility and lock controls • Import DWG, DXF, and image files seamlessly • Precise snapping — endpoint, midpoint, intersection, grid • Built-in templates and sample projects • Export and share your projects instantly • Optimized for iPhone and iPad with Apple Pencil support PERFECT FOR: - Architecture floor plans and layouts - Mechanical engineering schematics - Electrical wiring diagrams - Landscape and interior design - Student coursework and technical education Download CAD Studio and turn your device into a professional drafting workstation.

Screenshots

CAD Viewer Editor4 screens
CAD Studio4 screens

Verdict

The call

The clearest difference is price: CAD Viewer Editor at Free against CAD Studio's $9.99. CAD Viewer Editor also leads on device support (4 vs 2). CAD Studio's advantage is rating (3.7 vs 1.0) and in-app purchases (none vs 2). On update cadence, ads and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

CAD Viewer Editor is free to download; CAD Studio costs $9.99 up front. CAD Viewer Editor sells 2 in-app purchases, starting at $0.99 per month. CAD Studio asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

CAD Studio holds the better App Store score, 3.7 against 1.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

UpkeepUpdate frequency

CAD Viewer Editor ships an update every 8 days, CAD Studio every 6 days. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.

Scorecard6 real differences · 4 level
CAD Viewer Editor versus CAD Studio: the parameters behind the verdict, then further details
ParameterCAD Viewer EditorCAD Studio
PriceFree — better$9.99
Rating1.0 (1 ratings)3.7 (3 ratings) — better
Positive reviews16.7% of reviews—
Number of ratings13 — better
Update frequencyEvery 8 daysEvery 6 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size112 MB7 MB
Age rating4+4+
DeveloperHefei Yunyilian Intelligent Technology Co., Ltd玉英 张

Customer experience

CAD Viewer Editor

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews6 reviews
Positive16.7%
Neutral0.0%
Negative83.3%

CAD Studio

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

CAD Viewer Editor

Subscriptions2
  • CAD Viewer Editor Monthly$0.991 Month
  • CAD Viewer Editor Yearly$24.991 Year
None

CAD Studio

No in-app purchases

Questions

Is CAD Viewer Editor free?
CAD Viewer Editor is free to download, with in-app purchases available.
Is CAD Studio free?
CAD Studio costs $9.99, with no in-app purchases.
Which has better reviews, CAD Viewer Editor or CAD Studio?
CAD Studio is rated higher. CAD Viewer Editor averages 1.0 out of 5 from 1 ratings, while CAD Studio averages 3.7 from 3 ratings.
Do CAD Viewer Editor or CAD Studio have ads?
Neither CAD Viewer Editor nor CAD Studio shows ads.
Which is updated more often, CAD Viewer Editor or CAD Studio?
CAD Viewer Editor ships an update every 8 days, and CAD Studio every 6 days. Most recently, CAD Viewer Editor was updated on November 7, 2026 and CAD Studio on November 6, 2026.

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