Comparison

NORO 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

NORO

Access 3D CAD data for a standard product range of pipes, mouldings, and distribution systems. Engineers and project managers can view models for steel and chromium-nickel steel components directly on mobile devices.

Highlights
  • 3D CAD data access
  • Standard product range
  • Pipes, mouldings, distribution systems
  • Steel and chromium-nickel steel
  • Compatible with major CAD systems
  • Mobile device access
Features
Read full description

The NORO app is a free download service for 3D CAD data of the standard product range of NORO Germany and provides engineers and project managers with direct access via mobile devices. Our product range includes pipes, mouldings and distribution systems with diameters of 80 to 600 mm made from steel (powder coated or galvanised) and chromium-nickel steel as well as associated pipe connection elements. The 3D CAD models are compliant with major world standards and are suitable for use in current CAD systems, such as CATIA®, Autodesk® Inventor®, SolidWorks®, Creo™ Parametric, NX™, AutoCAD®, Solid Edge®, etc.

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

NORO4 screens
3D Model Viewer3 screens

Verdict

The call

The clearest difference is review sentiment: NORO at 100% against 3D Model Viewer's 59%. NORO also leads on in-app purchases (none vs 5) and ads (none vs shown). 3D Model Viewer's advantage is update cadence (every 3 weeks vs every 66 months). On price 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. NORO asks for nothing beyond the download.

UpkeepUpdate frequency

NORO ships an update every 66 months, 3D Model Viewer every 3 weeks. The most recent releases landed on August 12, 2026 and September 21, 2026 respectively.

Scorecard6 real differences · 4 level
NORO versus 3D Model Viewer: the parameters behind the verdict, then further details
ParameterNORO3D Model Viewer
PriceFreeFree
Rating—4.2 (328 ratings) — better
Positive reviews100.0% of reviews — better59.2% of reviews
Number of ratings—328 — better
Update frequencyEvery 66 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.6
Further details — not scored
Size52 MB28 MB
Age rating17+4+
DeveloperNORO GmbH健 钟

Customer experience

NORO

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

3D Model Viewer

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

Bugs and requests

NORO

Not enough reviews yet to summarise bugs or requests.

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

NORO

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 NORO free?
NORO 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.
Do NORO or 3D Model Viewer have ads?
3D Model Viewer shows ads; NORO does not.
Which is updated more often, NORO or 3D Model Viewer?
NORO ships an update every 66 months, and 3D Model Viewer every 3 weeks. Most recently, NORO was updated on August 12, 2026 and 3D Model Viewer on September 21, 2026.

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