Best 3D Viewer Apps

246+ iOS apps curated and reviewed

4.1 avg rating
17 free apps
Updated August 2026

With an average user rating of 4.1★, the 3d viewer category is one of the App Store's strongest. Browse all 246+ apps we track, sorted so the most loved ones surface first.

Compare top 3D Viewer Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
13D Model Viewer - AR & Print3D Model Viewer - AR & PrintFree4.4★ (333)NoYesAug 2026
23D File Viewer: OBJ STP & more3D File Viewer: OBJ STP & moreFree4.6★ (48)NoYesAug 2026
3Autodesk FusionAutodesk FusionFree4.5★ (4.1K)NoNoAug 2026
4Open3D: STL & 3D Model ViewerOpen3D: STL & 3D Model ViewerFree5.0★ (3)YesNoAug 2026
5Emb3D 3D Model ViewerEmb3D 3D Model ViewerFree4.4★ (241)YesYesJul 2026
6STL Simple ViewerSTL Simple ViewerFree4.3★ (866)YesYesAug 2026
7GLB Viewer – 3D Model ViewerGLB Viewer – 3D Model ViewerFreeYesNoAug 2026
83D Model Viewer: STL & USDZ3D Model Viewer: STL & USDZFree3.5★ (11)NoYesAug 2026

Top Picks for 3D Viewer

3D Model Viewer - AR & Print#1

3D Model Viewer - AR & Print by Arthur Eduardo Skaetta Alvarez Desenvolvimento de Software LTDA.

Simulate 3D Printing and AR
Editor's Choice
📊 Productivity
4.4😞(333 ratings)
FreeIn-App Purchases
3D Model Viewer - AR & Print screenshot 1
3D Model Viewer - AR & Print screenshot 2
3D Model Viewer - AR & Print screenshot 3

Explore and interact with 3D models on your mobile device. Simulate the 3D printing process to identify potential issues before committing to a print. Visualize your models in augmented reality, adjusting scale and rotation within your real-world environment.

What We Love

  • 👍 Easy to use
  • 👍 Nice app design
  • 👍 Simple and well-designed
  • 👍 Quick viewing of models

Room to Improve

  • 👎 Only one free model import
  • 👎 Paywall for more models
  • 👎 Models shown at incorrect scale
3D File Viewer: OBJ STP & more#2

3D File Viewer: OBJ STP & more by Andeesh Mehdi Syed

STP STL OBJ FBX GLTF & More
Strong Contender
🔧 Utilities
4.5(48 ratings)
FreeIn-App Purchases
3D File Viewer: OBJ STP & more screenshot 1
3D File Viewer: OBJ STP & more screenshot 2
3D File Viewer: OBJ STP & more screenshot 3

Easily open and explore 3D model files on your iPhone or iPad. Supports over 20 popular formats, offering smooth viewing with intuitive touch controls. Ideal for designers, engineers, architects, and students working with 3D data.

Autodesk Fusion#3

Autodesk Fusion by Autodesk Inc.

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 from anywhere with this mobile app. View, comment on, and share CAD models in over 100 formats. It works with a companion cloud-based desktop product for product design and development.

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 Viewer apps to explore

4
Open3D: STL & 3D Model Viewer
Open3D: STL & 3D Model Viewer
Open3D: STL & 3D Model Viewer
View STL, GLB, STEP, DXF & OBJ
Free

Instantly view and inspect a wide range of 3D file formats directly on your device. Offers AR viewing, 3D printing readiness checks, and detailed model specifications without requiring an account or cloud upload.

Supports over 15 3D file formatsAugmented Reality (AR) viewing via Apple Quick Look3D printing readiness checks (manifold, overhangs, wall thickness)
🎨 Graphics & Design
(3)
ad-supported
5
Emb3D 3D Model Viewer
Emb3D 3D Model Viewer
Emb3D 3D Model Viewer
A Powerful 3D Model Viewer
Free

Explore and showcase your 3D models with advanced rendering and intuitive controls. Supports multiple file formats, ideal for entertainment or preparing models for 3D printing.

High performance renderingIntuitive gesturesMultiple 3D formats
🔧 Utilities
(241)
free with in-app purchases
6
STL Simple Viewer
STL Simple Viewer
STL Simple Viewer
View 3D STL & 3MF CAD models
Free

Easily view and interact with 3D STL CAD models. Supports various file types and offers advanced rendering options for detailed analysis. Get model information and explore interiors with clipping planes.

View ASCII and Binary STL filesLoad STL from ZIPRotate, pan, and zoom
📊 Productivity
(866)
free with in-app purchases
7
GLB Viewer – 3D Model Viewer
GLB Viewer – 3D Model Viewer
GLB Viewer – 3D Model Viewer
View & Inspect 3D GLB Models
Free
🔧 Utilities
(0)
8
3D Model Viewer: STL & USDZ
3D Model Viewer: STL & USDZ
3D Model Viewer: STL & USDZ
View 3D USDZ and CAD STL, PLY
Free

Easily view and interact with 3D models in various formats like USDZ, STL, and OBJ. Explore your designs with intuitive gestures, high-performance rendering, and augmented reality capabilities. Record animations of your models for sharing.

View USDZ, STL, OBJ, PLY filesIntuitive gesture controlsHigh-performance rendering
📊 Productivity
(11)
free with in-app purchases
9
DWG FastView-CAD Viewer&Editor
DWG FastView-CAD Viewer&Editor
DWG FastView-CAD Viewer&Editor
* Support 2D/3D CAD formats
Free

This cross-platform CAD application allows users to view, edit, and create 2D and 3D designs on the go. It supports a wide range of file formats and offers advanced tools for precise drawing, measurement, and annotation, even offline.

View and edit 2D/3D CAD drawingsSupports over 40 3D drawing formatsAccurate measurement and annotation tools
📊 Productivity
(1.1K)
free with in-app purchases
10
3D Model Viewer & Converter
3D Model Viewer & Converter
3D Model Viewer & Converter
STL,GLB,3MF,OBJ,DXF,USDZ ...
Free

This tool allows you to open, view, and convert a wide variety of 3D file formats on your Apple devices. It offers basic editing, cross-sectioning, and exploded views, with options for batch conversion and exporting projected views.

Import numerous 3D formatsConvert between popular 3D formatsBasic editing tools
📊 Productivity
(1)
freemium
11
3D Viewer for Verge3D
3D Viewer for Verge3D
3D Viewer for Verge3D
View 3D files from Verge3D
Free
🔧 Utilities
(0)
12
3D Viewer by Chief Architect
3D Viewer by Chief Architect
3D Viewer by Chief Architect
by Chief Architect
Free

Explore 3D architectural models in virtual reality. Navigate through home designs with intuitive controls, experiencing them before construction. Ideal for professionals to share immersive project previews with clients.

Virtual reality navigationWalk and fly through designsExterior, room, and floor plan views
📊 Productivity
(490)
free
13
AutoCAD
AutoCAD
AutoCAD
DWG Viewer & Editor
Free

Access and edit CAD drawings on the go with this official application. It provides essential drafting and design tools for creating, updating, and sharing 2D drawings from any device. Collaborate with teams and simplify workflows by accessing files from various cloud storage services.

2D file viewingCreate, edit, and share 2D drawingsOffline work and sync
📊 Productivity
(6.3K)
freemium
14
SketchUp - 3D Modeling
SketchUp - 3D Modeling
SketchUp - 3D Modeling
Interior Design & Architecture
Free

This platform offers intuitive 3D modeling tools for design enthusiasts and professionals. Visualize concepts, create photorealistic visuals, and even use AI to generate design ideas. Scan real-world spaces and view your creations in augmented reality.

3D modeling toolsGenerative AI designsRoom planner & space design
🎨 Graphics & Design
(18K)
free with in-app purchases
15
Meshman 3D Viewer
Meshman 3D Viewer
Meshman 3D Viewer
STL OBJ DXF 3MF USDZ DAE 3DS
$7.99

Easily view and convert a wide range of 3D model file formats. Offers graphic manipulation tools, rendering options, and detailed model information. Supports loading from compressed archives.

View and convert 3D model filesSupports STL, OBJ, FBX, DAE, DXF, and moreLoad files from ZIP/RAR archives
📊 Productivity
(40)
paid
16
3D STL/OBJ Viewer
3D STL/OBJ Viewer
3D STL/OBJ Viewer
STL/obj Viewer
$9.99
🛠️ Developer Tools
(0)
17
Shine3D - Pro 3D Viewer
Shine3D - Pro 3D Viewer
Shine3D - Pro 3D Viewer
3D Viewer & Visual Capture
Free
🛠️ Developer Tools
(0)
18
3D Viewer: Artignia
3D Viewer: Artignia
3D Viewer: Artignia
Creative Market. AR Viewer
Free

Connect with creators and buyers on a social marketplace for handmade goods, 3D models, and AR experiences. Discover unique items, explore them in 3D and AR, and interact with artists worldwide.

Discover handmade/secondhand products and 3D modelsView products in 3D and ARConnect with creators and communities
🌐 Social Networking
(1)
free
19
Pyware 3D Viewer
Pyware 3D Viewer
Pyware 3D Viewer
by Pygraphics, Inc.
$2.99

View and animate your marching band drill designs anywhere. This app opens Pyware 3D files, allowing you to see formations, pathways, and instructions animate flawlessly. Access files from cloud storage and customize your viewing experience.

Open Pyware 3D drill files (.3da)Animate formations and pathwaysAccess files from cloud storage
🎵 Music
(50)
paid
20
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 model formats in both AR and 3D modes. This intuitive tool supports local and cloud documents, custom backgrounds, and shadow casting. Easily import models via multiple methods and share your creations.

AR and 3D viewing modesSupports numerous 3D file formatsLocal and cloud document integration
📊 Productivity
(326)
free with in-app purchases

FAQ about 3D Viewer

What are the best 3d viewer apps for iPhone?
3D Model Viewer - AR & Print tops our 3d viewer apps ranking as of August 2026, with a 4.4-star average from 333 App Store ratings, and it's free to download.
Yes — 17 of the top 3d viewer apps we rank are free to download, including 3D Model Viewer - AR & Print and 3D File Viewer: OBJ STP & more.
3D Model Viewer - AR & Print has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 246+ 3d viewer apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app allows you to import and view compatible 3D models on your mobile device. You can interact with them by rotating, zooming, and even painting them. Additionally, it offers a simulation of the 3D printing process and an augmented reality mode to place models in your real-world environment.
The application is compatible with a variety of popular 3D file formats including .stl, .obj (with textures in a .zip file), .abc, .ply, .usdz, .usd, .usda, and .dae. This broad compatibility ensures you can view many of your existing 3D models.

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