Best Stl Design Apps

238+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated September 2026

Finding the right stl design apps can be overwhelming with so many options. We've analyzed 238+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Stl Design Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Handy 3D Designs For Bambu LabHandy 3D Designs For Bambu LabFree2.5★ (14)NoYesSep 2026
2STL File Viewer ProSTL File Viewer ProFree4.5★ (65)YesYesSep 2026
3STL Simple ViewerSTL Simple ViewerFree4.3★ (866)YesYesSep 2026
4Open3D: STL & 3D Model ViewerOpen3D: STL & 3D Model ViewerFree4.8★ (5)YesNoSep 2026
53D Modeling, Design: Shapeyard3D Modeling, Design: ShapeyardFree4.5★ (5.7K)NoYesSep 2026
63D Designs for Bambu Lab Handy3D Designs for Bambu Lab HandyFree5.0★ (1)NoYesSep 2026
73D Print Designer CAD3D Print Designer CADFree4.5★ (18)YesYesSep 2026
8STL MasterSTL MasterFree4.2★ (49)NoNoMay 2026

Top Picks for Stl Design

STL Simple Viewer#3

STL Simple Viewer by Victor Bovio

View 3D STL & 3MF CAD models
Worth Considering
📊 Productivity
4.3😞(866 ratings)
FreeAdsIn-App Purchases
STL Simple Viewer screenshot 1
STL Simple Viewer screenshot 2
STL Simple Viewer screenshot 3
STL Simple Viewer screenshot 4

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.

What We Love

  • 🚀 Simple and intuitive viewer
  • 👍 Useful viewing options
  • 💡 Supports multiple file formats

Room to Improve

  • 🐛 Frequent crashes
  • 🔋 High battery consumption
  • 🚨 Excessive and intrusive ads
  • 🔍 Limited functionality for larger files

More Stl Design apps to explore

FAQ about Stl Design

What are the best stl design apps for iPhone?
Handy 3D Designs For Bambu Lab tops our stl design apps ranking as of September 2026, with a 2.5-star average from 14 App Store ratings, and it's free to download.
Yes — 20 of the top stl design apps we rank are free to download, including Handy 3D Designs For Bambu Lab and STL File Viewer Pro.
Handy 3D Designs For Bambu Lab has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 238+ stl design apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Crafti is a mobile application designed to help users discover, explore, and download high-quality 3D printable models. It offers a growing collection of designs across multiple categories, suitable for both beginners and experienced makers with compatible 3D printers.
Crafti provides access to a wide range of 3D printable designs including home decor, tools, toys, gadgets, organizers, art, miniatures, and accessories. The content is regularly updated with new collections and trending templates.