Best 3D Stl Viewer Apps

206+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated May 2026

The best 3d stl viewer apps on iPhone average 4.1โ˜… across 206+ titles โ€” we've ranked them by what real users actually keep on their phones. Updated May 2026.

Top Picks for 3D Stl Viewer

STL Simple Viewer#1

STL Simple Viewer by Victor Bovio

Quickly view 3D STL CAD models
Editor's Choice
๐Ÿ“Š Productivity
4.3๐Ÿ˜ž(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

  • ๐Ÿš€ Simple and intuitive viewer
  • ๐Ÿ‘ Useful viewing options
  • ๐Ÿ’ก Supports multiple file formats

Room to Improve

  • ๐Ÿ› Frequent crashes
  • ๐Ÿ”‹ High battery consumption
  • ๐Ÿšจ 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
๐Ÿ› ๏ธ Developer Tools
4.4(50 ratings)
FreeAdsIn-App Purchases
#87in 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.

More 3D Stl Viewer apps to explore

4
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.

๐Ÿ“ท Photo & Video
(11K)
5
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.

๐Ÿ”ง Utilities
(14)
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.

๐Ÿ“Š Productivity
(50)
7
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.

๐Ÿ“ท Photo & Video
(5K)
8
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!

๐Ÿ”ง Utilities
(3.5K)
9
3D Model Viewer: STL & USDZ
3D Model Viewer: STL & USDZ
3D Model Viewer: STL & USDZ
View 3D USDZ and CAD STL, PLY
Free
๐Ÿ“Š Productivity
(4)
10
3D Model Viewer & Converter
3D Model Viewer & Converter
3D Model Viewer & Converter
STL,GLB,3MF,OBJ,DXF,USDZ ...
Free
๐Ÿ“Š Productivity
(1)
11
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.

๐Ÿ“Š Productivity
(310)
12
3D Kit: STL Viewer
3D Kit: STL Viewer
3D Kit: STL Viewer
CAD Model & Print Preview AR
Free
๐ŸŽจ Graphics & Design
(0)
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.

๐Ÿ“Š Productivity
(323)
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.

๐Ÿ”ง Utilities
(241)
15
STL Viewer ยท Model File Reader
STL Viewer ยท Model File Reader
STL Viewer ยท Model File Reader
Fast STL File View & 3D Reader
Free
๐Ÿ“Š Productivity
(2)
16
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.

๐Ÿ“Š Productivity
(490)
17
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!

๐ŸŽจ Graphics & Design
(17K)
18
KIRI Engine:3D Scanner & LiDAR
KIRI Engine:3D Scanner & LiDAR
KIRI Engine:3D Scanner & LiDAR
Scanning your world with ease
Free

An innovative 3D scanning application that allows users to easily create detailed 3D models using their smartphone cameras. Transform your surroundings into 3D representations with just a few simple steps. Try it now and bring your world to life in stunning detail!

๐Ÿ“ท Photo & Video
(1K)
19
Augment - 3D Augmented Reality
Augment - 3D Augmented Reality
Augment - 3D Augmented Reality
Visualize 3D models in AR
Free

Visualize 3D models in augmented reality with our innovative application. Experience an immersive way to interact with virtual objects and enhance your reality like never before. Try it now!

๐Ÿ’ผ Business
(482)
20
STL Buddy Fast 3D Scanner App
STL Buddy Fast 3D Scanner App
STL Buddy Fast 3D Scanner App
Scan Anything into a 3D model
Free
๐Ÿ“ท Photo & Video
(24)