Best Stl File Viewer Apps

200+ iOS apps curated and reviewed

4.1 avg rating
19 free apps
Updated May 2026

Every iPhone needs a few good stl file viewer apps. We benchmark 200+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Stl File 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
#88in 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.

3D GO | 3D Printing Models#3

3D GO | 3D Printing Models by SimpleDev LLC

Thingiverse Printables Cults3d
Worth Considering
πŸ”§ Utilities
4.7😐(3.5K ratings)
FreeIn-App Purchases
3D GO | 3D Printing Models screenshot 1
3D GO | 3D Printing Models screenshot 2
3D GO | 3D Printing Models screenshot 3
3D GO | 3D Printing Models screenshot 4
3D GO | 3D Printing Models screenshot 5
3D GO | 3D Printing Models screenshot 6

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!

What We Love

  • πŸ‘ Convenient and free app
  • πŸš€ Great database of free files
  • πŸš€ Easy to send prints directly to printer
  • πŸ‘ Helpful developer response

Room to Improve

  • πŸ’° Subscription required for full access
  • πŸ› Buggy app with crashes and freezes
  • 🚫 Inaccessible for smaller screens

More Stl File Viewer apps to explore

4
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)
5
Autodesk Fusion
Autodesk Fusion
Autodesk Fusion
by Autodesk
Free

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.

πŸ“Š Productivity
(4.1K)
6
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)
7
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)
8
Quick STL Viewer
Quick STL Viewer
Quick STL Viewer
by KEAT MEN TANG
Free
πŸ”§ Utilities
(4)
9
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)
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
USB Disk Pro for iPhone
USB Disk Pro for iPhone
USB Disk Pro for iPhone
The File Manager
$49.99

A powerful iOS file manager app that lets you store, view, and manage documents on your iPhone with an intuitive interface. Easily transfer files via iTunes, view email attachments, and enjoy features like full-screen viewing and web file downloads. Download now for seamless document management on the go!

πŸ’Ό Business
(191)
12
STEP File Viewer
STEP File Viewer
STEP File Viewer
View & Explore STEP/IGES
Free
πŸ› οΈ Developer Tools
(1)
13
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)
14
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)
15
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.

πŸ“Š Productivity
(146)
16
File Viewer
File Viewer
File Viewer
by Sharpened Productions
Free

View and open over 100 file types with this easy-to-use file viewer, including PDFs, Office documents, images, videos, and more. Browse files on your device or iCloud Drive and access advanced features like bookmarking, file identification, and metadata extraction.

πŸ”§ Utilities
(3)
17
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!

πŸ”§ Utilities
(6.5K)
18
RAR Unzip-Zip File Opener 7Zip
RAR Unzip-Zip File Opener 7Zip
RAR Unzip-Zip File Opener 7Zip
Zip Extractor & RAR Extractor
Free

Discover new recipes, plan your meals, and organize your grocery list with this all-in-one cooking companion. From browsing diverse dishes to creating customized meal plans, simplify your kitchen experience today!

πŸ”§ Utilities
(2.8K)
19
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)
20
ES File Explorer
ES File Explorer
ES File Explorer
Browse & Music, Docs
Free

Discover a comprehensive file management tool with powerful features for browsing, managing, and organizing files on your device efficiently. Download now to streamline your file management tasks with ease.

πŸ“Š Productivity
(15K)