Best 3D Viewer Apps

246+ iOS apps curated and reviewed

4.0 avg rating
17 free apps
Updated August 2026

With an average user rating of 4.0★, 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★ (338)NoYesSep 2026
23D File Viewer: OBJ STP & more3D File Viewer: OBJ STP & moreFree4.5★ (48)NoYesSep 2026
3Autodesk FusionAutodesk FusionFree4.5★ (4.1K)NoNoAug 2026
4Open3D: STL & 3D Model ViewerOpen3D: STL & 3D Model ViewerFree4.8★ (4)YesNoAug 2026
5Emb3D 3D Model ViewerEmb3D 3D Model ViewerFree4.4★ (241)YesYesSep 2026
6STL Simple ViewerSTL Simple ViewerFree4.3★ (866)YesYesSep 2026
7GLB Viewer – 3D Model ViewerGLB Viewer – 3D Model ViewerFreeYesYesAug 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😞(338 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

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 338 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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