# 3D-Viewer > A mobile application for viewing and navigating 3D models in multiple formats. (iPhone/iPad app by ProtoTech Solutions and Services Pvt. Ltd..) - Source: https://appshunter.io/ios/app/3d-viewer/id1416574526 (this page in markdown: same URL + `.md`) - Developer: [ProtoTech Solutions and Services Pvt. Ltd.](https://appshunter.io/developer/365252924) - Category: Business, Productivity - Price: Free - Rating: 1.00/5 from 2 App Store ratings · 2 written reviews indexed - Age rating: 4+ - Requires: iOS 15.6 · 47 MB - Languages: American English - Released: 2018-08-05 - Data updated: 2026-06-02 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/3d-viewer/id1416574526/reviews.md ## What is 3D? View and Navigate 3D models stored in OBJ, STL, Collada (.dae) (Xcode Compressed ) and PDF (PRC) formats.You can easily zoom, pan and rotate 3D model with multi-touch gestures. The application recognises various file extension and you can choose to load those files into this application directly from other applications like Dropbox and Box. 3D Viewer can also detect the ZIP files as the texture and material files for OBJ and DAE can be clubbed. Opening the ZIP will list down all the supporting files in ZIP that can be opened. 3D Viewer is integrated with Box and Dropbox cloud storage allowing you to directly browse files on Box.com and Dropbox.com storage in the application itself. The sample 3D files are bundled with the application. 3D Viewer current version contains following features : - 3D PDF (.prc files), OBJ, STL and DAE ( Compressed ) model rendering - Multi-touch gestures like zoom, pan, rotate and fit to screen - Import models from Dropbox and Box cloud storage application. - Open password protected pdf files. - Easy file browsing for Box and Dropbox user (Box and Dropbox cloud storage is natively integrated with the application). - Supports meshes and colors. ## Key features - View 3D models in OBJ, STL, DAE, and PDF formats - Multi-touch gestures for zoom, pan, and rotate - Import models from Dropbox and Box - Supports meshes and colors - Open password-protected PDF files ## Recent user reviews (2 of 2) All indexed reviews: https://appshunter.io/ios/app/3d-viewer/id1416574526/reviews.md ### 1/5 — Doesn’t recognize dropbox contents *2024-01-04* Can’t open anything in this app, when it’s connected to dropbox it doesn’t do anything ### 1/5 — Crashes on launch *2019-02-26* Crashes on launch using iOS 11 ## Frequently asked questions about 3D ### What 3D file formats does 3D-Viewer support? 3D-Viewer supports rendering of 3D PDF (.prc files), OBJ, STL, and DAE (Compressed) model formats. It can also detect ZIP files containing texture and material files for OBJ and DAE models. ### How can I import 3D models into 3D-Viewer? You can import models directly from cloud storage applications like Dropbox and Box. The application is natively integrated with these services, allowing for easy file browsing. ### Does 3D-Viewer offer offline viewing capabilities? While the description doesn't explicitly state offline viewing, the ability to import files from cloud storage suggests that once imported, models can be viewed without an active internet connection. ### What are the multi-touch gestures supported by 3D-Viewer? 3D-Viewer supports intuitive multi-touch gestures for navigating 3D models, including zoom, pan, rotate, and fit to screen. ### Can 3D-Viewer open password-protected PDF files? Yes, 3D-Viewer has the capability to open password-protected PDF files, in addition to standard 3D PDF (.prc) models. ### What is the update frequency of 3D-Viewer? The latest version of 3D-Viewer is 3.0.0, last updated on January 18, 2026. This indicates a history of updates, though the exact frequency is not specified. ### Is 3D-Viewer available on multiple devices? Based on the supported devices listed, 3D-Viewer is available for iPhone, iPad, and iPod, suggesting broad compatibility within the Apple ecosystem. ### What is the user sentiment for 3D-Viewer? Currently, 3D-Viewer has a rating of 1.0 stars from 2 ratings. This low rating suggests a negative user sentiment based on the available data. ## Version history (last 5 releases) ### 3.0.0 — 2026-01-18 Fixed minor performance issues to improve overall stability and responsiveness. ### 2 — 2025-08-13 Updated app to the latest IOS version ### 1.2.19.316 — 2019-11-13 - Implemented "Copy to" functionality ### 1.0.6 — 2019-06-05 -Minor bug fixes ### 1.0.2 — 2019-05-17 -Minor bug fixes ## More apps by ProtoTech Solutions and Services Pvt. Ltd. - [iContactsImporter](https://appshunter.io/ios/app/icontactsimporter/id365252921) - [DeleteContacts](https://appshunter.io/ios/app/deletecontacts/id375530278) - [gContactsImporter](https://appshunter.io/ios/app/gcontactsimporter/id377376674) - [Chess Knight's Tour](https://appshunter.io/ios/app/chess-knights-tour/id398464049) - [CleanUp Duplicate Contacts](https://appshunter.io/ios/app/cleanup-duplicate-contacts/id411894745) - [Show Duplicate Contacts](https://appshunter.io/ios/app/show-duplicate-contacts/id415828033) All apps by ProtoTech Solutions and Services Pvt. Ltd.: https://appshunter.io/developer/365252924 ## Related topics [3d pdf viewer](https://appshunter.io/ios/topics/3d-pdf-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 2026-06-02.*