Comparison

3D Model Viewer vs Barcode Ninja

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

Head to head

3D Model Viewer

Simulate 3D Printing and AR

Free

📊 Productivity

★ 4.4362 ratingsView app →

About

3D Model Viewer

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.

Highlights

View 3D models in real-time
Rotate, zoom, and paint models
Simulate 3D printing process
View models in AR mode
Adjust scale and rotation in AR
Supports multiple 3D file formats

Features

Read full description

Have you ever wanted to view and interact with 3D Models? 3D Model Viewer allows you to view compatible 3D Models using your mobile device. You can even simulate 3D Printing and view your model in AR mode! -- View 3D Models Import and view your 3D models in real time, rotating, zooming and painting! -- Simulate 3D Printing Watch a simulation of your model being 3D printed from bottom to top and identify any potential problems with the model without wasting any printing material! -- AR Mode View your 3D models inserted into the real world, being able to adjust scale and rotation! -- Compatible with many formats 3D Model Viewer supports the following formats: .stl, .obj*, .abc, .ply, .usdz, .usd, .usda, .dae *.obj files can be imported with textures in the format of a .zip file 3D Model Viewer is now available for all iOS devices!

About

Barcode Ninja

Features

Read full description

Take control of your items with Barcode Ninja — the all-in-one app for creating data sheets and managing stock with ease. Whether you're running a small business, managing supplies, or organizing personal collections, Barcode Ninja helps you stay efficient and organized.

Screenshots

3D Model Viewer3 screens

Barcode Ninja4 screens

Verdict

The call

The clearest difference is in-app purchases: Barcode Ninja at none against 3D Model Viewer's 1. 3D Model Viewer's advantage is ads (none vs shown) and device support (4 vs 2). On price, update cadence and iOS requirement 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 1 one-off in-app purchase. Barcode Ninja asks for nothing beyond the download.

UpkeepUpdate frequency

3D Model Viewer ships an update weekly, Barcode Ninja every 9 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 7 level

3D Model Viewer versus Barcode Ninja: the parameters behind the verdict, then further details
Parameter	3D Model Viewer	Barcode Ninja
Price	Free	Free
Rating	4.4 (362 ratings) — better	—
Positive reviews	20.5% of reviews	—
Number of ratings	362 — better	—
Update frequency	Weekly — better	Every 9 days
Ads	No — better	Yes
In-app purchases	Yes	No — better
Monetization	Free with in-app purchases	—
Devices	iPhone, iPad, iPod, Vision Pro — better	iPhone, iPod
Requires iOS	15.6	15.6
Further details — not scored
Size	17 MB	29 MB
Age rating	4+	4+
Developer	Arthur Eduardo Skaetta Alvarez Desenvolvimento de Software LTDA.	Skynet ICT Sdn Bhd

Bugs and requests

3D Model Viewer

Reported bugs

10 issues

App crashes immediately after upload
App crashes when importing PLY files
App crashes after payment
App crashes when importing large files
App crashes on iPad Pro

Show 5 more

VR crashes
Model centering limits viewing
Paint function assigns random color
Incorrect AR sizing
Y axis is up in AR

Requested features

11 requests

Allow changing background color
Allow changing lighting positions
Add axis lock object rotation
Add way to rotate side to side (turntable)
Option to slow down rotation/movements

Show 6 more

Add arrange by recent for downloaded STLs
Add ability to list most recent STL at top
Allow models to scale larger in AR mode
Add free rotation
Improve AR sizing accuracy
Use Z axis as up for AR and print sim

Barcode Ninja

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

3D Model Viewer

One-time1

Model Viewer Premium$1.99

None

Barcode Ninja

No in-app purchases

Questions

Is 3D Model Viewer free?

3D Model Viewer is free to download, with in-app purchases available.

Is Barcode Ninja free?

Barcode Ninja is free to download, with no in-app purchases.

Do 3D Model Viewer or Barcode Ninja have ads?

Barcode Ninja shows ads; 3D Model Viewer does not.

Which is updated more often, 3D Model Viewer or Barcode Ninja?

3D Model Viewer ships an update weekly, and Barcode Ninja every 9 days. Most recently, 3D Model Viewer was updated on October 30, 2026 and Barcode Ninja on October 28, 2026.