--- title: "3D File Viewer: OBJ STP & more — App Overview" url: https://marlvel.ai/intel-report/utilities/3d-file-viewer-obj-stp-more category: Utilities developer: Andeesh Mehdi Syed platforms: ios rating: 4.5 (37 ratings) pricing: freemium report_level: overview generated: 2026-04-23 --- > **Key Insight:** While the app offers broad file format compatibility for mobile 3D viewing, users have reported concerns regarding aggressive in-app advertisements. | Metric | Value | |--------|-------| | Category | Utilities | | Rating | 4.5 ★ (37) | | Pricing | freemium | | Platforms | iOS | | Latest Version (iOS) | 2.1 | | Developer | Andeesh Mehdi Syed | ## What is 3D File Viewer: OBJ STP & more? 3D File Viewer is a mobile utility for iOS that enables users to open and interact with over 20 3D model formats, including STL, OBJ, STEP, and IFC. It provides a lightweight interface for viewing, rotating, and zooming into CAD and 3D printing files without requiring an account. ## Key Features - **Multi-format Support**: Supports over 20 3D file formats including OBJ, STL, FBX, GLTF, STP, IGES, and IFC. - **Interactive Controls**: Provides touch-based navigation for zooming, rotating, and panning 3D models. - **File Integration**: Allows users to open 3D files directly from the Files app or other third-party applications. - **Account-free Access**: Enables immediate file viewing without the need for user registration or account creation. ## Who is it for? Designers, engineers, architects, students, and 3D printing enthusiasts. ## Links - [App Store](https://apps.apple.com/us/app/3d-file-viewer-obj-stp-more/id6745021064?uo=4) - [Full Intelligence Report](https://marlvel.ai/intel-report/utilities/3d-file-viewer-obj-stp-more) --- *This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/utilities/3d-file-viewer-obj-stp-more).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*