# 3D Model Viewer: STL & USDZ — View 3D USDZ and CAD STL, PLY > View and explore 3D models in AR with support for multiple file formats. (iPhone/iPad app by Ariel Ortiz.) - Source: https://appshunter.io/ios/app/3d-model-viewer-stl-and-usdz/id1587642013 (this page in markdown: same URL + `.md`) - Developer: [Ariel Ortiz](https://appshunter.io/developer/1583119689) - Category: Productivity, Utilities - Price: Free with in-app purchases - Rating: 3.50/5 from 11 App Store ratings · 2 written reviews indexed - Age rating: 4+ - Requires: iOS 17.0 · 15 MB - Languages: American English - Released: 2021-09-27 - Data updated: 2026-08-27 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/3d-model-viewer-stl-and-usdz/id1587642013/reviews.md ## What is 3D Model Viewer? 3D Model Viewer: STL & USDZ - Transform Your Experience with 3D Visualization! Key Features: - Seamless Viewing: Effortlessly open and explore .usdz, .usd, .obj, .stl, .ply files with stunning clarity and detail. Experience 3D models like never before! - User-Friendly Interface: Navigate through your 3D models with simple gestures. Rotate, zoom and pan. - High Performance: Enjoy smooth and fast rendering, ensuring an optimal viewing experience for complex models. - AR Viewer: Visualize your models in AR. - Record: Record the scene with a rotation animation. You can upload .obj with textures, you need to create a zip file with the textures and the .mtl file. Download 3D Model Viewer: STL & USDZ today and step into the future of 3D visualization! Transform the way you see and share your creative ideas. Payment will be charged to your Apple ID account at the confirmation of purchase. The subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your App Store account settings after purchase. - Terms & conditions https://sites.google.com/view/usdz3dviewer/home/termsandconditions ## Key features - View USDZ, STL, OBJ, PLY files - Intuitive gesture controls - High-performance rendering - Augmented Reality (AR) visualization - Record rotation animations - Supports OBJ with textures ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | All Access | $14.99 | per year | | All Access | $3.99 | per month | | All Access | $2.99 | per 7 days | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | One-time payment | $14.99 | one-time | ## Recent user reviews (2 of 2) All indexed reviews: https://appshunter.io/ios/app/3d-model-viewer-stl-and-usdz/id1587642013/reviews.md ### 1/5 — A SUBSCRIPTION TO VIEW FILES!notice the developer has apps for stuff your iPhone already does *2026-07-31* not even that great of an app but in general trash,trashy,trash,trash IF you have to pay for it ONCE more than three dollars. ### 1/5 — Monthly paid access *2026-07-06* Paid access makes sense, but what the heck am I paying weekly or monthly for? There’s no need and there are no new features incoming… ## Frequently asked questions about 3D Model Viewer ### What 3D file formats does 3D Model Viewer support? 3D Model Viewer supports .usdz, .usd, .obj, .stl, and .ply files. For .obj files with textures, you need to create a zip file containing the textures and the .mtl file. ### Can I view my 3D models in augmented reality with 3D Model Viewer? Yes, 3D Model Viewer features an AR Viewer that allows you to visualize your 3D models in your real-world environment. ### How does 3D Model Viewer handle complex 3D models? The app is designed for high performance, ensuring smooth and fast rendering even for complex models, providing an optimal viewing experience. ### What are the subscription options for 3D Model Viewer? 3D Model Viewer offers subscription plans including All Access for $2.99/week, $3.99/month with a 3-day free trial, and $14.99/year. Subscriptions auto-renew unless canceled 24 hours before the current period ends. ### How do I manage or cancel my subscription for 3D Model Viewer? You can manage and cancel your subscriptions by navigating to your App Store account settings after making a purchase. ### Is 3D Model Viewer suitable for all ages? 3D Model Viewer has an age rating of 4+, making it suitable for a wide range of users, including children and adults. ### How often is 3D Model Viewer updated? The latest version, 5.4.6, was released on February 25, 2026, indicating active development and regular updates to improve functionality and performance. ### Does 3D Model Viewer have ads? No, 3D Model Viewer does not contain advertisements. It is free to download and offers in-app purchases for its subscription plans. ## Version history (last 5 releases) ### 5.4.9 — 2026-08-24 This version of 3D Model Viewer: STL & USDZ includes performance improvement. ### 5.4.8 — 2026-07-30 This version of 3D Model Viewer: STL & USDZ includes performance improvement. ### 5.4.7 — 2026-07-28 This version of 3D Model Viewer: STL & USDZ includes performance improvement. ### 5.4.6 — 2026-02-25 This version of 3D Model Viewer: STL & USDZ includes performance improvement. ### 5.4.5 — 2026-02-10 This version of 3D Model Viewer: STL & USDZ includes performance improvement. ## Apps similar to 3D Model Viewer | App | Rating | Price | Category | | --- | --- | --- | --- | | [3D Model Viewer - AR View](https://appshunter.io/ios/app/3d-model-viewer-ar-view/id1105242878) | 4.2 (328) | Free | Productivity | | [OBJ & MTL Simple Viewer](https://appshunter.io/ios/app/obj-and-mtl-simple-viewer/id6469348754) | 2.7 (3) | Free | Productivity | | [3D Model Viewer - AR & Print](https://appshunter.io/ios/app/3d-model-viewer-ar-and-print/id1631145223) | 4.4 (337) | Free | Productivity | | [3D Model Viewer & Converter](https://appshunter.io/ios/app/3d-model-viewer-and-converter/id6748610196) | 1.5 (2) | Free | Productivity | | [STL Simple Viewer](https://appshunter.io/ios/app/stl-simple-viewer/id1493598400) | 4.3 (866) | Free | Productivity | | [SolidInsight](https://appshunter.io/ios/app/solidinsight/id1601944650) | 4.4 (7) | Free | Productivity | ## More apps by Ariel Ortiz - [Note Thread](https://appshunter.io/ios/app/note-thread/id1583119687) - [Reality OBJ: USDZ Converter](https://appshunter.io/ios/app/reality-obj-usdz-converter/id1603967912) - [Softlight Pro - Photo Editor](https://appshunter.io/ios/app/softlight-pro-photo-editor/id1628457856) - [Post Screenshot](https://appshunter.io/ios/app/post-screenshot/id1640179261) - [Vintage Camera: Cool Filters](https://appshunter.io/ios/app/vintage-camera-cool-filters/id6502562209) All apps by Ariel Ortiz: https://appshunter.io/developer/1583119689 ## Related topics [stl modeling](https://appshunter.io/ios/topics/stl-modeling) · [3d model viewer](https://appshunter.io/ios/topics/3d-model-viewer) · [3d model editor](https://appshunter.io/ios/topics/3d-model-editor) · [3d viewer](https://appshunter.io/ios/topics/3d-viewer) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-27.*