CAD Viewer Editor vs CAD Studio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CAD Viewer Editor
This app allows users to view and edit DWG and DXF drawings offline on Apple devices. It supports various AutoCAD file versions and offers a range of 2D drafting tools. Drawings can be exported to PDF, PNG, or DXF formats.
- View and edit DWG & DXF drawings
- Offline functionality
- 2D drafting and editing tools
- Export to PDF, PNG, and DXF
- Privacy-focused design
- Optimized for Apple devices
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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/
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.
- Full 2D drawing engine
- Multi-layer management
- Import DWG, DXF, and image files
- Precise snapping tools
- Built-in templates
- Export and share projects
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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
Verdict
The clearest difference is rating: CAD Studio at 5.0 against CAD Viewer Editor's 1.0. CAD Viewer Editor's advantage is device support (4 vs 2). On price, ratings volume, update cadence and ads 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
CAD Studio holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
CAD Viewer Editor ships an update weekly, CAD Studio every 6 days. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.
| Parameter | CAD Viewer Editor | CAD Studio |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 16.7% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Weekly | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 106 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Hefei Yunyilian Intelligent Technology Co., Ltd | 玉英 张 |
Customer experience
CAD Viewer Editor
CAD Studio
In-app purchases
CAD Viewer Editor
No in-app purchases
CAD Studio
No in-app purchases







