Vsdx Diagram Viewer vs CAD Studio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Vsdx Diagram Viewer
Instantly open and review Microsoft Visio diagrams on your iPhone and iPad without needing a desktop or subscription. View network topologies, flowcharts, org charts, and more with powerful viewing tools and high-fidelity rendering. Works offline and supports various Visio file formats.
- Open Visio .vsdx, .vsd, .vstx, .vstm, .vssx, .vssm files
- View diagrams from Files app, iCloud Drive, Mail, Slack, Teams
- Zoom, pan, and fit to screen
- Search shapes and navigate document outline
- Toggle layers and inspect shape properties
- High-fidelity rendering of themes, gradients, and shadows
- Offline viewing
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Vsdx Diagram Viewer opens Microsoft Visio diagrams on your iPhone and iPad—no desktop or subscription required. Whether you receive a network topology, flowchart, org chart, floor plan, or system architecture diagram as an email attachment, you can open it instantly and review every detail on the go. SUPPORTED FORMATS • Visio Drawing (.vsdx, .vsdm) • Legacy Visio (.vsd) • Visio Templates (.github (.vstx, .vstm) • Visio Stencils (.vssx, .vssm) OPEN FILES YOUR WAY • Tap a Visio file in the Files app or iCloud Drive • Open attachments from Mail, Slack, Teams, and other apps via Share • Pick up where you left off with Recent Files POWERFUL VIEWING TOOLS • Pinch to zoom and pan across complex diagrams • Fit to screen for a quick overview • Browse multi-page documents with page thumbnails • Search shapes by text, name, or ID • Navigate with the document outline • Toggle layers to focus on what matters • Tap any shape to inspect its properties • Follow embedded hyperlinks to websites and documents HIGH-FIDELITY RENDERING Built on the industry-standard libvisio engine, the app faithfully renders themes, gradients, shadows, rich text, connectors, and master shapes—so your diagrams look as intended. DESIGNED FOR iOS • Optimized for iPhone and iPad, portrait and landscape • Light and dark mode • Available in 20+ languages • Works offline—your files stay on your device PERFECT FOR • IT professionals reviewing network and infrastructure diagrams • Project managers checking workflow and process maps • Engineers inspecting system architecture drawings • Business users viewing org charts and floor plans • Anyone who receives Visio files but doesn't have Microsoft Visio Vsdx Diagram Viewer is a read-only viewer. It does not edit Visio files or require a Microsoft 365 subscription. Note: Visio is a trademark of Microsoft Corporation. This app is not affiliated with or endorsed by Microsoft.
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 price: Vsdx Diagram Viewer at Free against CAD Studio's $9.99. CAD Studio's advantage is rating (5.0 vs 3.0) and ads (none vs shown). On ratings volume, in-app purchases, monetization model and device support 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
Vsdx Diagram Viewer is free to download; CAD Studio costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
CAD Studio holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
Vsdx Diagram Viewer ships an update every 4 weeks, CAD Studio every 6 days. Both last shipped on October 31, 2026.
| Parameter | Vsdx Diagram Viewer | CAD Studio |
|---|---|---|
| Price | Free — better | $9.99 |
| Rating | 3.0 (1 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 4 weeks | Every 6 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 79 MB | 7 MB |
| Age rating | 12+ | 4+ |
| Developer | Hefei Yunyilian Intelligent Technology Co., Ltd | 玉英 张 |
Customer experience
Vsdx Diagram Viewer
CAD Studio
In-app purchases
Vsdx Diagram Viewer
No in-app purchases
CAD Studio
No in-app purchases
Questions
Is Vsdx Diagram Viewer free?
Is CAD Studio free?
Which has better reviews, Vsdx Diagram Viewer or CAD Studio?
Do Vsdx Diagram Viewer or CAD Studio have ads?
Which is updated more often, Vsdx Diagram Viewer or CAD Studio?
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