Comparison

iRhino 3D vs 3D Model Viewer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

iRhino 3D

View and present 3D models on your iPhone or iPad. Effortlessly load files from cloud storage or your device, and use AR mode to visualize designs in real-world space. Includes a markup tool for annotations.

Highlights
  • 3D model viewing
  • AR mode visualization
  • Cloud storage integration
  • Built-in file browser
  • Markup tool for annotations
  • Pan, zoom, and orbit controls
Read full description

The official Rhino 3D viewer for iOS. View and present your work on your iPhone or iPad. Pan, zoom, and orbit with a tap or drag of your finger. Conveniently load models from your device or any cloud storage using a built-in file browser. Use the AR mode to see your model in space. Integrated markup tool lets you draw on top of a view.

About

3D Model Viewer

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.

Highlights
  • AR and 3D viewing modes
  • Supports numerous 3D file formats
  • Local and cloud document integration
  • Customizable backgrounds and shadows
  • Model information display (size, volume, etc.)
  • Multiple import and sharing options
Features
Read full description

An advanced 3D model viewer for viewing all kinds of 3D models. Featuring AR viewing, custom rotation pivot and exploded assembly view. Preview mesh models including OBJ, STL, STP, DAE, PLY and Blend, supporting rendering, animation playback, 3D printing and model data inspection. Features 1. Support AR and 3D viewing modes. 2. Customizable background and environment lighting. 3. Animation preview for GLB, GLTF, FBX and more formats. 4. Real-time shadow casting. 5. Local & cloud document management (iCloud, DropBox, etc.). 6. Set custom rotation pivot point for model viewing. 7. Exploded view function to separate assembly parts. 8. Wide format support: STP, STEP, BERP, IGES, 3DS, OBJ, GLB, GLTF, STL, SLC, 3MF, PLY, OFF, DAE, Blend, FBX, USDZ, MD2, MD3, MD5, MDL, MS3D, DXF, X Read packaged archives containing models, MTL files and textures: ZIP, RAR. 9. Multiple import ways: iTunes File Sharing, AirDrop, iCloud, email attachments, web download. 10. File sharing via AirDrop or Email. 11. Capture, share and save screenshots. 12. Auto rotation and full-screen viewing mode. 13. Display model metrics: dimensions, volume, surface area, vertex count and triangle count. 14. Folder management in the file browser. If you have any suggestions or questions, please email belighten@gmail.com. Thank you for your support!

Screenshots

iRhino 3D4 screens
3D Model Viewer3 screens

Verdict

The call

The clearest difference is in-app purchases: iRhino 3D at none against 3D Model Viewer's 5. iRhino 3D also leads on ads (none vs shown) and rating (4.6 vs 4.2). 3D Model Viewer's advantage is ratings volume (327 vs 82) and iOS requirement (15.6 vs 17.0). On price, review sentiment, update cadence and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 3D Model Viewer sells 5 one-off in-app purchases. iRhino 3D asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

iRhino 3D holds the better App Store score, 4.6 against 4.2. Both are backed by a comparable volume of ratings — 82 and 327 respectively. Written reviews complicate that: 55% of iRhino 3D's written reviews are positive against 59% of 3D Model Viewer's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on November 1, 2026.

Scorecard6 real differences · 4 level
iRhino 3D versus 3D Model Viewer: the parameters behind the verdict, then further details
ParameteriRhino 3D3D Model Viewer
PriceFreeFree
Rating4.6 (82 ratings) — better4.2 (327 ratings)
Positive reviews55.2% of reviews59.2% of reviews — better
Number of ratings82327 — better
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.6 — better
Further details — not scored
Size305 MB28 MB
Age rating4+4+
DeveloperRobert McNeel & Associates健 钟

Customer experience

iRhino 3D

All ratings82 ratings
Positive91.5%
Neutral3.7%
Negative4.9%
Written reviews324 reviews
Positive55.2%
Neutral13.6%
Negative31.2%

3D Model Viewer

All ratings328 ratings
Positive78.7%
Neutral2.7%
Negative18.6%
Written reviews103 reviews
Positive59.2%
Neutral3.9%
Negative36.9%

User reviews

iRhino 3D

From 82 App Store ratings

What we love

  • 👍 Smooth and intuitive 3D model manipulation
  • 🚀 Fast performance with complex models
  • 📱 Great for client presentations and demos
  • 💼 Useful for on-the-go model viewing
  • 🔄 Good Dropbox integration

Room to improve

  • 🐛 Frequent crashes on large files
  • ❌ Limited to viewer functionality only
  • 🚫 No native editing capabilities
  • 📉 Poor LiDAR measurement accuracy
  • 🔌 No iCloud Drive support

3D Model Viewer

From 327 App Store ratings

What we love

  • 👍 Great for viewing 3D models
  • 🚀 Fast model loading
  • 🔒 Supports many file formats

Room to improve

  • 🐛 Frequent crashes and errors
  • 💸 Intrusive ads and paywalls
  • 🤯 Difficult to use interface
  • 🚫 Cannot open large files without paying

Bugs and requests

iRhino 3D

Reported bugs

15 issues
  • App crashes with large or complex files
  • LiDAR measurements significantly inaccurate (off by ~2x)
  • Cannot open local files without cloud storage
  • Incompatibility with newer iOS versions
  • App crashes during room scanning
Show 10 more
  • Save functionality errors
  • File browser integration issues
  • Google Drive connection errors (App Transport Security)
  • Models rendering in black after updates
  • Crashes on iPad Pro with object scan mode
  • Unable to export scans in desired formats
  • App fails to open on certain device models
  • File thumbnails not displaying
  • Texture UVW mapping not preserved
  • Room scan omits doors and windows as objects

Requested features

20 requests
  • Full native Rhino with Grasshopper support
  • Real editing and modeling tools
  • Wireframe and shaded view options
  • Orthographic views (top, front, right)
  • Texture and material support
Show 15 more
  • Dimension measurement tools
  • iCloud Drive integration
  • Microsoft OneDrive support
  • Gumball transform tool for rotation/scaling
  • Annotation and markup tools
  • Display mode settings
  • Named views panel
  • Zoom select tool
  • Room scan with door/window preservation
  • File thumbnails in library view
  • Background color customization
  • Ability to add rooms to existing scans
  • Support for Rhino 6 and 7 files
  • Stereo 3D view options
  • Video recording of model walkthroughs

3D Model Viewer

Reported bugs

3 issues
  • App crashes when trying to delete models
  • Cannot open .3mf and .glb files
  • Texture and shading issues with some models

Requested features

4 requests
  • Add support for more 3D file formats
  • Improve model rendering quality
  • Implement better file management options
  • Provide more customization and control over model view

In-app purchases

None

iRhino 3D

No in-app purchases

5 purchases

3D Model Viewer

One-time5
  • Remove Ads$1.99
  • Model & Screenshot Output$1.99
  • Background from Album$1.99
Show 2 more
  • Large File Model$1.99
  • All Features$5.99

Questions

Is iRhino 3D free?
iRhino 3D is free to download, with no in-app purchases.
Is 3D Model Viewer free?
3D Model Viewer is free to download, with in-app purchases available.
Which has better reviews, iRhino 3D or 3D Model Viewer?
iRhino 3D is rated higher. iRhino 3D averages 4.6 out of 5 from 82 ratings, while 3D Model Viewer averages 4.2 from 327 ratings.
Do iRhino 3D or 3D Model Viewer have ads?
3D Model Viewer shows ads; iRhino 3D does not.
Which is updated more often, iRhino 3D or 3D Model Viewer?
iRhino 3D ships an update every 3 weeks, and 3D Model Viewer every 3 weeks. Most recently, iRhino 3D was updated on November 1, 2026 and 3D Model Viewer on November 1, 2026.

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