Best 3D Print Viewer Apps

243+ iOS apps curated and reviewed

4.3 avg rating
18 free apps
Updated September 2026

The best 3d print viewer apps on iPhone average 4.3★ across 243+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.

Compare top 3D Print Viewer Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
13D Model Viewer - AR & Print3D Model Viewer - AR & PrintFree4.4★ (340)NoYesSep 2026
2Open3D: STL & 3D Model ViewerOpen3D: STL & 3D Model ViewerFree4.8★ (5)YesNoSep 2026
33D File Viewer - PrintPeek3D File Viewer - PrintPeekFreeNoYesAug 2026
4STL Viewer: 3D Model & PrintSTL Viewer: 3D Model & PrintFreeNoYesSep 2026
5Forma3D - 3D Modeling & PrintForma3D - 3D Modeling & PrintFree was $29.995.0★ (3)NoYesSep 2026
63D Printing Thingiverse Models3D Printing Thingiverse ModelsFree5.0★ (3)YesYesAug 2026
7STL & 3D Model Viewer - Mes3DSTL & 3D Model Viewer - Mes3DFree4.4★ (8)NoYesSep 2026
83D Kit: STL Viewer3D Kit: STL ViewerFreeNoYesAug 2026

Top Picks for 3D Print Viewer

4.4😞(340 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
  • 👍 Low app size

Room to Improve

  • 👎 Only one free model import
  • 👎 Paywall for more models
  • 👎 Models shown at incorrect scale
  • 👎 App crashes frequently
  • 👎 Limited free version
  • 👎 No option to watch ads for uploads
  • 👎 Useless free version
  • 👎 Unusable after purchase
  • 👎 Can't view files without paying
  • 👎 Limited functionality
  • 👎 Primitive emulation
  • 👎 Not worth paying for
  • 👎 Paid for but still limited
  • 👎 Doesn't work on newer iOS
  • 👎 No FBX import option
  • 👎 Y axis is up in AR
  • 👎 Incorrect AR sizing
  • 👎 Crashes with larger files
  • 👎 VR crashes
  • 👎 Cannot freely rotate models
  • 👎 Cannot place models in environment
  • 👎 Paint function assigns random color
  • 👎 Centering model limits viewing
  • 👎 App crashes on iPad Pro

More 3D Print Viewer apps to explore

FAQ about 3D Print Viewer

What are the best 3d print viewer apps for iPhone?
3D Model Viewer - AR & Print tops our 3d print viewer apps ranking as of September 2026, with a 4.4-star average from 340 App Store ratings, and it's free to download.
Yes — 18 of the top 3d print viewer apps we rank are free to download, including 3D Model Viewer - AR & Print and Open3D: STL & 3D Model Viewer.
3D Model Viewer - AR & Print has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 243+ 3d print viewer apps on the iOS App Store as of September 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.