241+ iOS apps curated and reviewed
If you already know Quick STL Viewer, this is the deeper bench. 241+ quick stl viewer apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.9★ (7) | No | Yes | Sep 2026 | |
| 2 |  | Free | 4.3★ (866) | Yes | Yes | Sep 2026 | |
| 3 |  | Free | 4.5★ (65) | Yes | Yes | Sep 2026 | |
| 4 |  | Free | — | No | Yes | Aug 2026 | |
| 5 |  | Free | 4.2★ (49) | No | No | May 2026 | |
| 6 |  | Free | 4.8★ (5) | Yes | No | Sep 2026 | |
| 7 |  | Free | — | Yes | Yes | Aug 2026 | |
| 8 |  | Free | — | Yes | Yes | Jul 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.
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.
