Viewport 3D vs Model Viewer | CAD Viewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Viewport 3D
This app allows artists to quickly open and inspect 3D models from various cloud storage services and local files. It offers professional viewing tools, animation playback, and augmented reality capabilities, all processed on-device for privacy.
- Open 3D models from cloud storage
- Supports over 20+ 3D file formats
- Professional inspection tools
- Animation playback
- Augmented Reality (AR) mode
- On-device processing for privacy
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Viewport is a fast, focused 3D viewer built for artists. Open models straight from the Files app on iPhone or iPad — iCloud Drive, Google Drive, Dropbox, OneDrive, Downloads or AirDrop — and inspect them in a clean, professional viewport. No account. No cloud. No clutter. OPEN ALMOST ANYTHING • USD family + Reality load natively: USDZ, USD, USDA, USDC, .reality • OBJ, STL and PLY • FBX, glTF, GLB, DAE and 20+ more formats via an in-app importer • Pick a model and its texture files together to keep materials INSPECT LIKE A PRO • Smooth orbit, pan, pinch-zoom and double-tap to frame • Studio lighting presets + intensity, multiple backgrounds (studio, blueprint, gradient, checker…) • Render channels: shaded, albedo, normals, roughness and UVs • Turntable auto-spin and a reference ground grid • Scene info: bounding box, dimensions, vertex/triangle/material/texture counts — real values, never faked ANIMATION • Plays node/transform animation and skeletal (bone) skinning on supported models • Simple play / pause / loop transport AR • Place supported static models on real surfaces • Real World and Studio lighting modes • Stable placement, flexible scaling and grounding shadows MORE • Capture a screenshot and share it • Recent files with search, sorting, date grouping and thumbnails • Adaptive layouts and multitasking support on iPad PRIVACY FIRST All 3D processing happens on your device. Viewport has no accounts, no tracking, no ads, and never uploads your files. Made by Reimagine Fx. More formats and tools coming.
Model Viewer | CAD Viewer
View and inspect 3D model files with ease. Import various formats, manipulate the view with intuitive controls, and access basic model information on a clear workspace.
- 3D model inspection
- Import multiple file formats
- Rotate, pan, and zoom controls
- Toggle grid workspace
- View basic model details
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Model Viewer is an app for opening and inspecting 3D model files on a clean grid workspace. Import supported files from Files, rotate, pan, zoom, reset the view, toggle the grid, and review basic model details. Supported formats include STL, GLB, GLTF, USD, USDA, USDC, USDZ, OBJ, PLY, DAE, ABC, and SCN. MODEL VIEWER PRO Viewing models is free. Model Viewer Pro unlocks rendered, mesh wireframe, edges, and X-ray modes, clipping planes, studio backgrounds and lighting, favorites, folders, and a saved view for every model. Model Viewer Pro is an optional auto-renewable subscription, available monthly or yearly. Payment is charged to your Apple Account when you confirm the purchase. The subscription renews automatically unless it is canceled at least 24 hours before the end of the current period, and your account is charged for renewal within 24 hours before the period ends. You can manage or cancel your subscription in your Apple Account settings after purchase. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://greatminds-create.com/legal/model-viewer/privacy/
Screenshots
Verdict
The clearest difference is rating: Model Viewer | CAD Viewer at 5.0 against Viewport 3D's 4.0. Viewport 3D's advantage is in-app purchases (none 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. Model Viewer | CAD Viewer sells 2 in-app purchases, starting at $1.99 per month. Viewport 3D asks for nothing beyond the download.
Model Viewer | CAD Viewer holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
Both ship on a similar rhythm, roughly every 2 weeks. Both last shipped on October 31, 2026.
| Parameter | Viewport 3D | Model Viewer | CAD Viewer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (2 ratings) | 5.0 (1 ratings) — better |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 47 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Amar Shinde | Astonish Innovations |
In-app purchases
Viewport 3D
No in-app purchases
Model Viewer | CAD Viewer
- Model Viewer Pro Monthly$1.991 Month
- Model Viewer Pro Yearly$19.991 Year
Questions
Is Viewport 3D free?
Is Model Viewer | CAD Viewer free?
Which has better reviews, Viewport 3D or Model Viewer | CAD Viewer?
Do Viewport 3D or Model Viewer | CAD Viewer have ads?
Which is updated more often, Viewport 3D or Model Viewer | CAD Viewer?
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