GLTF Viewer · Convert OBJ/STL vs Quick3D CAD Viewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GLTF Viewer · Convert OBJ/STL
View and inspect 3D models in glTF and GLB formats with advanced rendering and animation playback. Offers a full inspector for scene graph, materials, and animations. Convert models to other formats, measure distances, and view in AR with an in-app purchase.
- View glTF and GLB 3D models
- Orbit, pan, and zoom controls
- Multiple render modes (Solid, Wireframe, X-ray)
- Play embedded animations
- Full glTF inspector (scene graph, materials, animations)
- Export to GLB, glTF, OBJ, STL, PLY, USDZ
- Augmented Reality (AR) viewing
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GLTF Viewer opens .gltf and .glb 3D model files and gives you a complete, professional inspector for the glTF format. VIEW YOUR MODEL • Orbit, pan and zoom with smooth touch controls • Solid, Wireframe, X-ray and Points render modes • Play back embedded animations: scrub, switch clips, change speed • Toggle grid, auto-rotate, and 3 lighting/environment presets • Works with Draco-compressed geometry and KTX2/Basis-compressed textures inside your glTF/GLB • Handles very large files gracefully: models over 400MB switch to a full data inspector even without a live 3D preview FULL glTF INSPECTOR • Scene graph / node structure • Every mesh, material (PBR values) and texture • Animation clips and accessor/buffer data • Raw glTF JSON viewer • Complete glTF 2.0 validation report with errors, warnings and exact JSON-pointer locations EXPORT, AR AND MEASURE These tools require an in-app purchase: • Export / convert your model to another format: GLB, glTF, OBJ, STL, PLY or USDZ • View your model in AR, right in your own space, with USDZ Quick Look • Tap-to-measure real-world distances on the model • Advanced render modes: Normals, Matcap, UV-checker • Hi-resolution screenshot capture Open a file from the Files app, iCloud Drive, Mail, AirDrop or any app's Share Sheet, or tap "Open File" inside GLTF Viewer. No account, no login required. Privacy Policy: https://rush.tools/privacy Terms of Use: https://rush.tools/terms
Quick3D CAD Viewer
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Quick3D Viewer 3D CAD Viewing Made Simple. Quick3D Viewer is a free 3D model viewer for iPhone and iPad. Open and explore a wide range of 3D files, including STEP, IGES, STL, OBJ, and more, right from your mobile device. Whether you're on the factory floor, meeting with clients, or away from your desk, Quick3D Viewer makes it easy to inspect 3D models wherever you go. Key Features ■ Supports Multiple 3D File Formats View STEP / STP, IGES / IGS, STL, OBJ, PLY, 3MF, GLB, and USDZ files. ■ Intuitive 3D Navigation Rotate, zoom, and pan models using simple touch gestures. Explore your designs from different angles. ■ Full-Screen Viewing Hide banner ads in full-screen mode and enjoy more space to inspect your 3D models. ■ Designed for iPhone and iPad View 3D models on your phone or tablet, wherever your work takes you. Perfect For - Inspecting 3D models on the factory floor - Reviewing CAD designs and engineering projects - Sharing designs during meetings - Checking models for 3D printing - Viewing CAD files while on the go 3D CAD in Your Pocket. Make 3D viewing easier with Quick3D Viewer.
Screenshots
Verdict
The clearest difference is in-app purchases: Quick3D CAD Viewer at none against GLTF Viewer · Convert OBJ/STL's 2. GLTF Viewer · Convert OBJ/STL's advantage is ads (none vs shown) and device support (4 vs 2). On price and update cadence 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. GLTF Viewer · Convert OBJ/STL sells 2 in-app purchases, starting at $2.99 per 7 days. Quick3D CAD Viewer asks for nothing beyond the download.
GLTF Viewer · Convert OBJ/STL ships an update weekly, Quick3D CAD Viewer every 2 weeks. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.
| Parameter | GLTF Viewer · Convert OBJ/STL | Quick3D CAD Viewer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Weekly — better | Every 2 weeks |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 26 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Rush Tools LLC | Ryo Tazaki |
In-app purchases
GLTF Viewer · Convert OBJ/STL
- GLTF Viewer Pro$2.997 Days
- GLTF Viewer Pro$9.991 Year
Quick3D CAD Viewer
No in-app purchases
Questions
Is GLTF Viewer · Convert OBJ/STL free?
Is Quick3D CAD Viewer free?
Do GLTF Viewer · Convert OBJ/STL or Quick3D CAD Viewer have ads?
Which is updated more often, GLTF Viewer · Convert OBJ/STL or Quick3D CAD Viewer?
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