Comparison

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.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

Quick3D CAD Viewer

Features
Read full description

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

GLTF Viewer · Convert OBJ/STL4 screens
Quick3D CAD Viewer4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 5 level
GLTF Viewer · Convert OBJ/STL versus Quick3D CAD Viewer: the parameters behind the verdict, then further details
ParameterGLTF Viewer · Convert OBJ/STLQuick3D CAD Viewer
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyWeekly — betterEvery 2 weeks
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS15.0 — better18.6
Further details — not scored
Size26 MB28 MB
Age rating4+4+
DeveloperRush Tools LLCRyo Tazaki

In-app purchases

2 purchases

GLTF Viewer · Convert OBJ/STL

Subscriptions2
  • GLTF Viewer Pro$2.997 Days
  • GLTF Viewer Pro$9.991 Year
None

Quick3D CAD Viewer

No in-app purchases

Questions

Is GLTF Viewer · Convert OBJ/STL free?
GLTF Viewer · Convert OBJ/STL is free to download, with in-app purchases available.
Is Quick3D CAD Viewer free?
Quick3D CAD Viewer is free to download, with no in-app purchases.
Do GLTF Viewer · Convert OBJ/STL or Quick3D CAD Viewer have ads?
Quick3D CAD Viewer shows ads; GLTF Viewer · Convert OBJ/STL does not.
Which is updated more often, GLTF Viewer · Convert OBJ/STL or Quick3D CAD Viewer?
GLTF Viewer · Convert OBJ/STL ships an update weekly, and Quick3D CAD Viewer every 2 weeks. Most recently, GLTF Viewer · Convert OBJ/STL was updated on November 1, 2026 and Quick3D CAD Viewer on October 29, 2026.

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