Best Stp Viewer Apps

206+ iOS apps curated and reviewed

4.2 avg rating
19 free apps
Updated June 2026

STL Simple Viewer is the household name in stp viewer, but it's far from the only option. We track 206+ alternatives and competitors on iOS β€” many free, many higher-rated than you'd expect.

Top Picks for Stp Viewer

STL Simple Viewer#1

STL Simple Viewer by Victor Bovio

Quickly view 3D STL CAD models
Editor's Choice
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
STL File Viewer Pro#2

STL File Viewer Pro by Andeesh Mehdi Syed

Simplest Way To View STL Files
Strong Contender
πŸ› οΈ Developer Tools
4.4(50 ratings)
FreeAdsIn-App Purchases
#81in Developer Tools
STL File Viewer Pro screenshot 1
STL File Viewer Pro screenshot 2
STL File Viewer Pro screenshot 3

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.

Autodesk Fusion#3

Autodesk Fusion by Autodesk

Worth Considering
πŸ“Š Productivity
4.5😐(4.1K ratings)
Free
Autodesk Fusion screenshot 1
Autodesk Fusion screenshot 2
Autodesk Fusion screenshot 3

Collaborate on 3D designs with anyone using Autodesk Fusionβ„’ for iPhone and iPad. View, comment, and share 3D models in over 100 file formats, track project activities, and access design properties. Sign in with your Fusion account and start designing anytime, anywhere.

What We Love

  • πŸš€ Great for showing designs
  • πŸ‘ Easy to use and understand
  • πŸ’‘ Powerful CAD/CAM capabilities
  • πŸš€ Convenient for collaboration

Room to Improve

  • πŸ› Crashes and login issues
  • πŸ‘Ž Limited functionality compared to desktop version
  • πŸ‘Ž Constantly logs out

More Stp Viewer apps to explore

4
Quick STL Viewer
Quick STL Viewer
Quick STL Viewer
by KEAT MEN TANG
Free
πŸ”§ Utilities
(4)
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
3D Model Viewer - AR & Print
3D Model Viewer - AR & Print
3D Model Viewer - AR & Print
Simulate 3D Printing and AR
Free

Experience immersive 3D models in augmented reality with this app. Bring virtual objects to life in your surroundings with realistic textures and interactive features. Download now to explore endless possibilities in the world of 3D modeling.

πŸ“Š Productivity
(314)
7
3D GO | 3D Printing Models
3D GO | 3D Printing Models
3D GO | 3D Printing Models
Thingiverse Printables Cults3d
Free

Discover a world of 3D printing with access to a wide range of models from top platforms like Thingiverse and MyMiniFactory. Ideal for enthusiasts and professionals, explore, download, and print diverse models for various 3D printers. Start creating with 3D GO today!

πŸ”§ Utilities
(3.5K)
8
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)
9
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)
10
Polycam 3D Scans & Floor Plans
Polycam 3D Scans & Floor Plans
Polycam 3D Scans & Floor Plans
LiDAR for Measurement & CAD
Free

Transform your smartphone into a powerful 3D scanner with LiDAR technology, allowing you to create detailed 3D models and explore immersive 360-degree captures with ease. Experience next-level scanning capabilities with just a tap of your device.

πŸ“· Photo & Video
(42K)
11
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)
12
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)
13
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)
14
Scaniverse - 3D Scanner
Scaniverse - 3D Scanner
Scaniverse - 3D Scanner
Scan & share your world in 3D
Free

Capture real-world objects in 3D using your smartphone camera. Create detailed 3D models with Scaniverse - 3D Scanner app. Transform your surroundings into a digital playground.

πŸ“· Photo & Video
(11K)
15
iRhino 3D
iRhino 3D
iRhino 3D
3D Viewer & Scanner
Free

Experience the power of a redesigned 3D modeling app for your mobile device. Easily pan, zoom, and load models while enjoying AR functionality for a realistic view. Draw directly on models with the integrated markup tool.

πŸ“Š Productivity
(72)
16
SketchUp - 3D Modeling
SketchUp - 3D Modeling
SketchUp - 3D Modeling
Interior Design & Architecture
Free

Design and visualize 3D models easily with this intuitive application for architects and designers. Start bringing your ideas to life in three dimensions now!

🎨 Graphics & Design
(17K)
17
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)
18
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)
19
3D Model Viewer & Converter
3D Model Viewer & Converter
3D Model Viewer & Converter
STL,GLB,3MF,OBJ,DXF,USDZ ...
Free
πŸ“Š Productivity
(1)
20
Viewer3D
Viewer3D
Viewer3D
View STL, STEP, OBJ & 3DM
$0.99
πŸ”§ Utilities
(0)