Comparison

Vsdx Diagram Viewer 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

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.

Highlights
  • 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
Features
Read full description

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.

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

Vsdx Diagram Viewer3 screens
CAD Studio4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Vsdx Diagram Viewer ships an update every 4 weeks, CAD Studio every 6 days. Both last shipped on October 31, 2026.

Scorecard4 real differences · 6 level
Vsdx Diagram Viewer versus CAD Studio: the parameters behind the verdict, then further details
ParameterVsdx Diagram ViewerCAD Studio
PriceFree — better$9.99
Rating3.0 (1 ratings)5.0 (2 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings12 — better
Update frequencyEvery 4 weeksEvery 6 days — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size79 MB7 MB
Age rating12+4+
DeveloperHefei Yunyilian Intelligent Technology Co., Ltd玉英 张

Customer experience

Vsdx Diagram Viewer

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

CAD Studio

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

In-app purchases

None

Vsdx Diagram Viewer

No in-app purchases

None

CAD Studio

No in-app purchases

Questions

Is Vsdx Diagram Viewer free?
Vsdx Diagram Viewer is free to download, with no in-app purchases.
Is CAD Studio free?
CAD Studio costs $9.99, with no in-app purchases.
Which has better reviews, Vsdx Diagram Viewer or CAD Studio?
CAD Studio is rated higher. Vsdx Diagram Viewer averages 3.0 out of 5 from 1 ratings, while CAD Studio averages 5.0 from 2 ratings.
Do Vsdx Diagram Viewer or CAD Studio have ads?
Vsdx Diagram Viewer shows ads; CAD Studio does not.
Which is updated more often, Vsdx Diagram Viewer or CAD Studio?
Vsdx Diagram Viewer ships an update every 4 weeks, and CAD Studio every 6 days. Most recently, Vsdx Diagram Viewer was updated on October 31, 2026 and CAD Studio on October 31, 2026.

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