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.
5.1
March 23, 2026
Performance Improvements: STL files load faster now
Enjoy an ad free experience of STL Viewer
STL File Viewer Pro is designed for both iPhone and iPad devices, offering a seamless experience across Apple's mobile ecosystem.
The app was last updated on March 23, 2026, indicating a commitment to ongoing improvements and maintenance.
STL File Viewer Pro has an age rating of 4+, making it suitable for a wide range of users, including younger hobbyists.
Yes, STL File Viewer Pro contains advertisements. Users can opt for an 'Ad Free for 1 Year' subscription to remove ads.
STL File Viewer Pro offers a monthly subscription for $3.99 and an annual ad-free option for $24.99.
You can instantly load STL files into STL File Viewer Pro directly from the Files app, email attachments, AirDrop, or any other app that supports file sharing.
STL File Viewer Pro has a strong user rating of 4.4 stars from 50 ratings, suggesting a generally positive user experience.
Yes, the app is built for professionals like jewelry designers and engineers who need to inspect CAD files and engineering designs on the go, offering sharp detail rendering and full 360° control.
