Comparison

GLTF Viewer · Convert OBJ/STL vs Gcode Viewer & Simulator

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

Gcode Viewer & Simulator

Features
Read full description

Open any gcode file and see exactly what your 3D printer will print — before you start. Gcode Viewer renders the complete toolpath in 3D: rotate, zoom and pan the model, scrub through every layer, and measure real distances in millimetres. WHAT YOU CAN DO • Open gcode from your slicer, Files, iCloud or a share sheet • View the print in 3D — top, front, side and ISO • Scrub the layer slider to check the print builds correctly • Measure distances and the print height • See print time, filament weight and cost estimates • Follow a running print layer by layer Built for makers who want to check a file before committing filament and time. SUBSCRIPTION Opening your own files requires a subscription. The bundled sample model is free to view. • Pro Weekly — full access, billed every week • Pro Monthly — full access, billed every month • Pro Yearly — full access, billed once a year Subscriptions renew automatically. Cancel anytime in your App Store settings. Terms: https://codigitalsolutions.com/terms Privacy: https://codigitalsolutions.com/privacy

Screenshots

GLTF Viewer · Convert OBJ/STL4 screens
Gcode Viewer & Simulator4 screens

Verdict

The call

GLTF Viewer · Convert OBJ/STL and Gcode Viewer & Simulator are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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 and Gcode Viewer & Simulator sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
GLTF Viewer · Convert OBJ/STL versus Gcode Viewer & Simulator: the parameters behind the verdict, then further details
ParameterGLTF Viewer · Convert OBJ/STLGcode Viewer & Simulator
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyWeekly—
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size26 MB38 MB
Age rating4+4+
DeveloperRush Tools LLCCODIGITAL SOLUTIONS

In-app purchases

2 purchases

GLTF Viewer · Convert OBJ/STL

Subscriptions2
  • GLTF Viewer Pro$2.997 Days
  • GLTF Viewer Pro$9.991 Year
3 purchases

Gcode Viewer & Simulator

Subscriptions3
  • Weekly$2.997 Days
  • Monthly$4.991 Month
  • Yearly$29.991 Year

Questions

Is GLTF Viewer · Convert OBJ/STL free?
GLTF Viewer · Convert OBJ/STL is free to download, with in-app purchases available.
Is Gcode Viewer & Simulator free?
Gcode Viewer & Simulator is free to download, with in-app purchases available.
Do GLTF Viewer · Convert OBJ/STL or Gcode Viewer & Simulator have ads?
Neither GLTF Viewer · Convert OBJ/STL nor Gcode Viewer & Simulator shows ads.

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