250+ iOS apps curated and reviewed
With an average user rating of 4.1★, the free stl viewer category is one of the App Store's strongest. Browse all 250+ apps we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.9★ (7) | No | Yes | Aug 2026 |
| 2 |  | Free | 4.3★ (866) | Yes | Yes | Aug 2026 |
| 3 |  | Free | — | No | Yes | Aug 2026 |
| 4 |  | Free | 4.8★ (4) | Yes | No | Aug 2026 |
| 5 |  | Free | 4.5★ (48) | No | Yes | Aug 2026 |
| 6 |  | Free | 4.5★ (65) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 4.2★ (49) | No | No | May 2026 |
| 8 |  | Free | 4.4★ (337) | No | Yes | Aug 2026 |
Instantly open and preview 3D STL files with a smooth, responsive interface. Explore models by rotating and zooming, switch to wireframe mode, and customize colors for better visibility. This app offers a distraction-free viewing experience for checking models or print details on the go.
Easily view and interact with 3D STL CAD models. Supports various file types and offers advanced rendering options for detailed analysis. Get model information and explore interiors with clipping planes.
Instantly view and inspect a wide range of 3D file formats directly on your device. Offers AR viewing, 3D printing readiness checks, and detailed model specifications without requiring an account or cloud upload.
Easily open and explore 3D model files on your iPhone or iPad. Supports over 20 popular formats, offering smooth viewing with intuitive touch controls. Ideal for designers, engineers, architects, and students working with 3D data.
Easily view, rotate, and inspect 3D STL files on your iPhone or iPad. Load models instantly from various sources for 3D printing, design review, or engineering inspection.
View and interact with 3D models in augmented reality. Share instant screenshots and screen recordings of your designs directly from the app.
Explore and interact with 3D models on your mobile device. Simulate the 3D printing process to identify potential issues before committing to a print. Visualize your models in augmented reality, adjusting scale and rotation within your real-world environment.
This free 3D viewer allows you to quickly load and inspect various 3D model file formats on any mobile device. It supports common open formats and offers intuitive controls for adjusting transparency, rotation, and shading. Specialized features are available for dental professionals using specific software.
This tool allows you to open, view, and convert a wide variety of 3D file formats on your Apple devices. It offers basic editing, cross-sectioning, and exploded views, with options for batch conversion and exporting projected views.
Easily view, inspect, and explore 3D models on your device. Supports common file formats and offers intuitive touch controls for rotation, panning, and zooming. Visualize models in AR and capture snapshots for sharing.
Easily view and interact with 3D models in various formats like USDZ, STL, and OBJ. Explore your designs with intuitive gestures, high-performance rendering, and augmented reality capabilities. Record animations of your models for sharing.
