Best 3D Print Viewer Apps

249+ iOS apps curated and reviewed

4.0 avg rating
18 free apps
Updated October 2026

The best 3d print viewer apps on iPhone average 4.0★ across 249+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.

Compare top 3D Print Viewer Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
13D File Viewer - PrintPeek3D File Viewer - PrintPeekFree5.0★ (2)NoYesOct 2026
23D Model Viewer - AR & Print3D Model Viewer - AR & PrintFree4.4★ (362)NoYesOct 2026
33D File Viewer: OBJ STP & more3D File Viewer: OBJ STP & moreFree4.4★ (53)NoYesOct 2026
43d Scanner App™3d Scanner App™Free4.5★ (16K)YesYesOct 2026
53D Kit: STL Viewer3D Kit: STL ViewerFree—NoYesOct 2026
6Slicer 3d printingSlicer 3d printingFree1.0★ (1)NoNoOct 2026
7Image to 3D PrintImage to 3D PrintFree—NoYesOct 2026
8Thingiverse Printables | 3D GOThingiverse Printables | 3D GOFree4.7★ (4.1K)NoYesOct 2026

Top Picks for 3D Print Viewer

3D File Viewer - PrintPeek#1

3D File Viewer - PrintPeek by Jean Papke

Fast STL OBJ 3MF PLY previews
Editor's Choice
🔧 Utilities
5.0(2 ratings)
FreeIn-App Purchases
3D File Viewer - PrintPeek screenshot 1
3D File Viewer - PrintPeek screenshot 2
3D File Viewer - PrintPeek screenshot 3
3D File Viewer - PrintPeek screenshot 4
3D File Viewer - PrintPeek screenshot 5

Quickly view and inspect 3D model files like STL, OBJ, and PLY. Rotate, scale, and switch display modes for detailed examination. Export clean images or mesh formats for sharing.

4.4😞(362 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
3D File Viewer: OBJ STP & more#3

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

STP STL OBJ FBX GLTF & More
Worth Considering
🔧 Utilities
4.4(53 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.

More 3D Print Viewer apps to explore

FAQ about 3D Print Viewer

What are the best 3d print viewer apps for iPhone?
3D File Viewer - PrintPeek tops our 3d print viewer apps ranking as of October 2026, with a 5.0-star average from 2 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 File Viewer - PrintPeek and 3D Model Viewer - AR & Print.
3D File Viewer - PrintPeek has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 249+ 3d print viewer apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.