ARuler vs GLTF Viewer · Convert OBJ/STL
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ARuler
This utility app provides a convenient measuring tool directly on your smartphone. It allows for accurate measurements of objects without any extra hardware, and you can save and share your results.
- Accurate measurements
- No additional hardware required
- Save measurements
- Share measurements
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ARuler is a must-have app for anyone who wants to have a measuring tool in their pocket at all times! ARuler : - Accurately measure anything, anytime! - No additional hardware needed, just take out your phone and start measuring! - Save all of your measurements! - Share your measurements!
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
Screenshots
Verdict
The clearest difference is rating: GLTF Viewer · Convert OBJ/STL at 5.0 against ARuler's 1.0. GLTF Viewer · Convert OBJ/STL also leads on update cadence (weekly vs every 3 months). ARuler's advantage is monetization model (free vs free with in-app purchases) and iOS requirement (11.0 vs 15.0). On price, ratings volume, ads and in-app purchases 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. ARuler sells 1 one-off in-app purchase and GLTF Viewer · Convert OBJ/STL sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.
GLTF Viewer · Convert OBJ/STL holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
ARuler ships an update every 3 months, GLTF Viewer · Convert OBJ/STL weekly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.
| Parameter | ARuler | GLTF Viewer · Convert OBJ/STL |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 5.0 (1 ratings) — better |
| Number of ratings | 1 | 1 |
| Update frequency | Every 3 months | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 47 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | 思远 伍 | Rush Tools LLC |
Customer experience
ARuler
GLTF Viewer · Convert OBJ/STL
In-app purchases
ARuler
- Pro version$0.99
GLTF Viewer · Convert OBJ/STL
- GLTF Viewer Pro$2.997 Days
- GLTF Viewer Pro$9.991 Year
Questions
Is ARuler free?
Is GLTF Viewer · Convert OBJ/STL free?
Which has better reviews, ARuler or GLTF Viewer · Convert OBJ/STL?
Do ARuler or GLTF Viewer · Convert OBJ/STL have ads?
Which is updated more often, ARuler or GLTF Viewer · Convert OBJ/STL?
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