Best Free Stl Viewer Apps

209+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated May 2026

With an average user rating of 4.2β˜…, the free stl viewer category is one of the App Store's strongest. Browse all 209+ apps we track, sorted so the most loved ones surface first.

Top Picks for Free Stl Viewer

STL Simple Viewer#2

STL Simple Viewer by Victor Bovio

Quickly view 3D STL CAD models
Strong Contender
πŸ“Š Productivity
4.3😞(721 ratings)
FreeAdsIn-App Purchases
STL Simple Viewer screenshot 1
STL Simple Viewer screenshot 2
STL Simple Viewer screenshot 3
STL Simple Viewer screenshot 4

View 3D STL CAD models with ease using our app. Features include support for both ASCII and Binary STL files, graphic operations for manipulation, and rendering options for detailed viewing. Contact us at support@boviosoft.com for more information.

What We Love

  • πŸš€ Simple and intuitive viewer
  • πŸ‘ Useful viewing options
  • πŸ’‘ Supports multiple file formats

Room to Improve

  • πŸ› Frequent crashes
  • πŸ”‹ High battery consumption
  • 🚨 Excessive and intrusive ads

More Free Stl Viewer apps to explore

4
STL File Viewer Pro
STL File Viewer Pro
STL File Viewer Pro
Simplest Way To View STL Files
Free

View and interact with your 3D STL models with ease, rotating, zooming, and inspecting them with smooth and intuitive gestures. Download now to explore your 3D models in a comfortable and efficient way, perfect for 3D printing, CAD modeling, and more.

πŸ› οΈ Developer Tools
(50)
5
STL Master
STL Master
STL Master
STL File Viewer + AR & Sharing
Free

Explore intricate 3D models with ease using this powerful STL file viewer with AR capabilities. View, manipulate, and showcase your designs in augmented reality for a truly immersive experience. Embark on a new dimension of creativity today!

πŸ”§ Utilities
(49)
6
exocad webview
exocad webview
exocad webview
Fast STL 3D Viewer
Free

Load 3D models quickly and easily in a free viewer that supports common file formats like STL, OBJ, and PLY. Seamlessly view and adjust 3D meshes on any mobile device, with features like mesh transparency and texture mapping, and try it out for free without registration.

πŸ”§ Utilities
(14)
7
DWG FastView-CAD Viewer&Editor
DWG FastView-CAD Viewer&Editor
DWG FastView-CAD Viewer&Editor
* Support 2D/3D CAD formats
Free

DWG FastView-CAD Viewer allows users to view, edit, and share CAD drawings on mobile devices with ease. This intuitive app enables quick access to important design files anytime, anywhere. Access professional-grade features on-the-go and streamline your CAD workflow today.

πŸ“Š Productivity
(50)
8
3D Model Viewer: STL & USDZ
3D Model Viewer: STL & USDZ
3D Model Viewer: STL & USDZ
View 3D USDZ and CAD STL, PLY
Free
πŸ“Š Productivity
(4)
9
3D File Viewer: OBJ STP & more
3D File Viewer: OBJ STP & more
3D File Viewer: OBJ STP & more
STP STL OBJ FBX GLTF & More
Free

View 3D models on your iPhone or iPad with support for over 20 popular file formats, including STL, OBJ, FBX, and more. Download to explore your 3D files anytime, anywhere.

πŸ”§ Utilities
(35)
10
STL Viewer Β· Model File Reader
STL Viewer Β· Model File Reader
STL Viewer Β· Model File Reader
Fast STL File View & 3D Reader
Free
πŸ“Š Productivity
(2)
11
3D Model Viewer & Converter
3D Model Viewer & Converter
3D Model Viewer & Converter
STL,GLB,3MF,OBJ,DXF,USDZ ...
Free
πŸ“Š Productivity
(1)
12
G-Code Scanner & STL Viewer
G-Code Scanner & STL Viewer
G-Code Scanner & STL Viewer
Interpret CNC machine code
Free
πŸ”§ Utilities
(1)
13
3D Viewer by Chief Architect
3D Viewer by Chief Architect
3D Viewer by Chief Architect
by Chief Architect
Free

Experience immersive virtual reality home projects with 3D Viewer. Visualize and navigate your designs using Sojourn 3D tools, walk or fly through models, and explore various views. Perfect for builders and designers wanting to share virtual models with clients.

πŸ“Š Productivity
(490)
14
Emb3D 3D Model Viewer
Emb3D 3D Model Viewer
Emb3D 3D Model Viewer
A Powerful 3D Model Viewer
Free

Experience the power of a high-performance 3D model viewer with intuitive gestures, support for multiple formats, and enhanced visualization. Showcase your creations for fun or 3D printing with Emb3D! Explore now.

πŸ”§ Utilities
(241)
15
AutoCAD
AutoCAD
AutoCAD
DWG Viewer & Editor
Free

View and edit AutoCAD drawings on the go! Access all DWG files, annotate, measure, and share designs easily. Download now to streamline your workflow.

πŸ“Š Productivity
(6.3K)
16
Winmail Viewer - Letter Opener
Winmail Viewer - Letter Opener
Winmail Viewer - Letter Opener
Open Email, MSG & XPS files
Free

View and manage email attachments with ease using this application. Say goodbye to compatibility issues with various file formats and streamline your email attachment viewing experience. Try it now for a hassle-free email management solution.

πŸ”§ Utilities
(4.5K)
17
3D Model Viewer - AR View
3D Model Viewer - AR View
3D Model Viewer - AR View
View model in AR and 3D mode
Free

View and interact with various 3D models in AR and 3D mode using this advanced model viewer. Enjoy features like custom backgrounds, shadow casting, and support for multiple file formats. Share and save screenshots, access files locally or from the cloud, and get detailed model information. For feedback or support, email belighten@gmail.com.

πŸ“Š Productivity
(323)
18
CNC Model Viewer
CNC Model Viewer
CNC Model Viewer
by CHANCELLOR G KREMER
Free
$2.99 | 100% OFF
πŸ“Š Productivity
(3)
19
EXIF Viewer LITE by Fluntro
EXIF Viewer LITE by Fluntro
EXIF Viewer LITE by Fluntro
Photo GPS location,Camera info
Free

This app is a professional tool for photographers to view and manage EXIF metadata in photos, including GPS locations and camera information. Features include metadata removal, display of camera details, zoom capabilities, and customization of tag display.

πŸ“· Photo & Video
(596)
20
3D Kit: STL Viewer
3D Kit: STL Viewer
3D Kit: STL Viewer
CAD Model & Print Preview AR
Free
🎨 Graphics & Design
(0)