249+ 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 249+ 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 | Sep 2026 | |
| 2 |  | Free | 4.3★ (866) | Yes | Yes | Sep 2026 | |
| 3 |  | Free | 4.8★ (5) | Yes | No | Sep 2026 | |
| 4 |  | Free | — | No | Yes | Aug 2026 | |
| 5 |  | Free | 4.5★ (48) | No | Yes | Sep 2026 | |
| 6 |  | Free | 4.5★ (65) | Yes | Yes | Sep 2026 | |
| 7 |  | Free | — | No | Yes | Aug 2026 | |
| 8 |  | Free | 4.2★ (49) | No | No | May 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.
