Best Fast Stl Viewer Apps

130+ iOS apps curated and reviewed

4.0 avg rating
20 free apps
Updated June 2026

STL File Viewer Pro is the household name in fast stl viewer, but it's far from the only option. We track 130+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Fast Stl Viewer

STL File Viewer Pro#1

STL File Viewer Pro by Andeesh Mehdi Syed

Simplest Way To View STL Files
Editor's Choice
🛠️ Developer Tools
4.4(50 ratings)
FreeAdsIn-App Purchases
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.

STL Simple Viewer#2

STL Simple Viewer by Victor Bovio

Quickly view 3D STL CAD models
Strong Contender
📊 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

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

Room to Improve

  • 🐛 Frequent crashes
  • 🔋 High battery consumption
  • 🚨 Excessive and intrusive ads

More Fast Stl Viewer apps to explore

4
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!

🔧 Utilities
(49)
5
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.

📊 Productivity
(318)
6
Quick STL Viewer
Quick STL Viewer
Quick STL Viewer
by KEAT MEN TANG
Free
🔧 Utilities
(7)
7
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.

🔧 Utilities
(14)
8
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.

📊 Productivity
(50)
9
3d Scanner App™
3d Scanner App™
3d Scanner App™
LIDAR Scan in 3d
Free

Leverage advanced technology on your LIDAR or TrueDepth enabled device to create vibrant 3D scans of places and objects, which can be shared effortlessly through iMessage. Start capturing the world in stunning 3D today!

🔧 Utilities
(15K)
10
3D Model Viewer: STL & USDZ
3D Model Viewer: STL & USDZ
3D Model Viewer: STL & USDZ
View 3D USDZ and CAD STL, PLY
Free
📊 Productivity
(4)
11
STL Preview
STL Preview
STL Preview
Simple STL Preview Tool
Free
🔧 Utilities
(0)
12
CAD FastView: DWG Viewer
CAD FastView: DWG Viewer
CAD FastView: DWG Viewer
DWG Viewer - DWG/DXF Reader
Free

This multifunctional CAD drawing viewing and sharing application allows users to quickly view, share, and manage DWG drawings, with features like PDF conversion, cloud synchronization, and Wi-Fi printing. It is ideal for professionals like architects, engineers, and contractors who need to effortlessly handle various CAD drawing formats and tasks.

📊 Productivity
(33)
13
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!

🔧 Utilities
(3.8K)
14
STEP Viewer
STEP Viewer
STEP Viewer
Fast STEP File Viewer
Free
📊 Productivity
(0)
15
Marvel — Design and Prototype
Marvel — Design and Prototype
Marvel — Design and Prototype
Design and Prototype Apps
Free

Transform your app ideas into interactive prototypes with ease using Marvel. Design and link screens from sketches or mockups, then share and demo your creations seamlessly via Email, SMS, or Twitter. Access and edit your prototypes across devices for ultimate convenience. Start prototyping now!

📊 Productivity
(2.6K)
16
Autodesk Fusion
Autodesk Fusion
Autodesk Fusion
by Autodesk
Free

Collaborate on 3D designs with anyone using Autodesk Fusion™ 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.

📊 Productivity
(4.1K)
17
Model View 3D - OBJ viewer
Model View 3D - OBJ viewer
Model View 3D - OBJ viewer
Wavefront OBJ file viewer
Free

This 3D model viewer allows users to view and interact with a variety of 3D models, including textured and normal mapped models, and even import their own models using iTunes File Sharing. Users can customize their viewing experience by adjusting camera angles, toggling textures, and selecting from various backgrounds, making it easy to showcase 3D models to others.

🎬 Entertainment
(12)
18
GLB File Viewer
GLB File Viewer
GLB File Viewer
by Smart Cube Labs Co., Ltd.
Free
📊 Productivity
(0)
19
myTextViewer
myTextViewer
myTextViewer
Any File Viewer: Code/Log/Text
Free

Easily view any text files with myTextViewer! Open and read text files in various formats quickly and easily. Simply select the file and use the Share option to open it in myTextViewer.

📊 Productivity
(146)
20
NDI Viewer
NDI Viewer
NDI Viewer
NDI camera view and control
Free

View and control NDI-enabled cameras with real-time video/audio streaming on-the-go. Perfect for managing PTZ controls easily. Try it now!

📷 Photo & Video
(45)