Best 3D File Viewer Apps

188+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated May 2026

Out of 188+ 3d file viewer apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for 3D File Viewer

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
Autodesk Fusion#3

Autodesk Fusion by Autodesk

Worth Considering
📊 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 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.

What We Love

  • 🚀 Great for showing designs
  • 👍 Easy to use and understand
  • 💡 Powerful CAD/CAM capabilities
  • 🚀 Convenient for collaboration

Room to Improve

  • 🐛 Crashes and login issues
  • 👎 Limited functionality compared to desktop version
  • 👎 Constantly logs out

More 3D File Viewer apps to explore

4
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)
5
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
(3.5K)
6
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)
7
3D modeling: Design my model
3D modeling: Design my model
3D modeling: Design my model
Sculpt & sketch digital art
Free

Create stunning 3D models with our advanced modeling tools. Sculpt, texture, and animate with ease to bring your ideas to life in a virtual space. Unleash your creativity today!

🎨 Graphics & Design
(13K)
8
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
(314)
9
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.

🔧 Utilities
(241)
10
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.

📊 Productivity
(323)
11
Qlone 3D Scanner
Qlone 3D Scanner
Qlone 3D Scanner
Easy, User-Friendly AR Capture
Free

A user-friendly 3D scanner app that simplifies creating, editing, and animating 3D models from real objects. Easily export models to various platforms, 3D file formats, and printers, perfect for AR/VR, 3D Printing, education, and more. Upgrade to unlock premium features like AR view with animations and scanning in higher resolutions without a subscription.

🎨 Graphics & Design
(1.6K)
12
Polycam 3D Scanner, LiDAR, 360
Polycam 3D Scanner, LiDAR, 360
Polycam 3D Scanner, LiDAR, 360
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.

📷 Photo & Video
(5K)
13
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)
14
Documents: File Manager & Docs
Documents: File Manager & Docs
Documents: File Manager & Docs
Converter. Downloader. Reader.
Free

Manage and organize all your files efficiently with our user-friendly file manager. Easily categorize, search, and access your documents on the go. Simplify your file management tasks today.

📊 Productivity
(616K)
15
Glovius - 3D CAD File Viewer
Glovius - 3D CAD File Viewer
Glovius - 3D CAD File Viewer
View CAD files on iPhone, iPad
Free

This application allows users to view, analyze, and collaborate on 3D CAD files on their iPhone or iPad, supporting various file formats. With this app, users can view and interact with 3D models, take measurements, run reports, and share feedback with their team, making it a perfect tool for on-the-go collaboration and design review.

🔧 Utilities
(1)
16
STEP Viewer
STEP Viewer
STEP Viewer
Fast STEP File Viewer
Free
📊 Productivity
(0)
17
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)
18
3D Modeling, Design: Shapeyard
3D Modeling, Design: Shapeyard
3D Modeling, Design: Shapeyard
Sketch, sculpt, 3d print, art
Free

Discover Shapeyard, the ultimate 3D modeling and printing app! Create intricate 3D models effortlessly, explore a vast library, and seamlessly transition to 3D printing. Unleash your creativity with Shapeyard today!

🎨 Graphics & Design
(6K)
19
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.

🛠️ Developer Tools
(50)
20
My File Organizer
My File Organizer
My File Organizer
Organize Files & Documents
Free

Efficiently organize all your files based on type, date, and size with this user-friendly application. Simplify your digital life today!

🔧 Utilities
(6.5K)