Comparison

SimLab CAD Viewer vs 3D File Viewer

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

Head to head
About

SimLab CAD Viewer

View 3D CAD and architectural models on your mobile device. Navigate complex scenes with intuitive controls, explore different model configurations, and access files from various cloud storage services and email.

Highlights
  • View 3D CAD and architectural models
  • Navigate 3D scenes (rotate, pan, zoom)
  • View different model configurations
  • Supports SimLab Archive (*.zim) files
  • Supports 3D PDF files
  • Access files from cloud storage and email
Features
Read full description

SimLab CAD viewer enables the user to view 3D CAD and architectural models. SimLab CAD viewer enables viewing SimLab Archive files (*.zim) and supported 3D PDF files exported from SimLab Composer or one of SimLab plug-ins. The user can navigate the 3D scene (rotating, panning, zooming). The user can view different configurations of the 3D model. The user can view models using iTunes, Dropbox, Google Drive, from emails, and websites.

About

3D File Viewer

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.

Highlights
  • Supports over 20 3D file formats
  • Fast and smooth 3D file viewing
  • Zoom, rotate, and pan with touch controls
  • Open files from Files app or other apps
  • Lightweight and easy to use
  • No account required
Features
Read full description

3D File Viewer is the easiest way to open and view 3D model files on your iPhone or iPad. Whether you're a designer, engineer, architect, or student, this app helps you explore 3D files anytime, anywhere. Supports over 20 popular 3D file formats: STL Viewer OBJ Viewer FBX Viewer GLTF Viewer PLY Viewer 3DS Viewer DAE Viewer STP STEP Viewer IGES Viewer IFC Viewer 3MF Viewer AMF Viewer BIM Viewer BREP Viewer FCSTD Viewer 3DM Viewer OFF Viewer WRL Viewer Key features: Fast and smooth 3D file viewing Zoom, rotate, and pan with touch controls Open files from Files, or any other app Lightweight and easy to use No account required Perfect for CAD users, 3D printing enthusiasts, and anyone working with 3D files. Download 3D File Viewer today and start viewing your models instantly. Removing ads requires a subscription, here is terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

SimLab CAD Viewer3 screens
3D File Viewer3 screens

Verdict

The call

The clearest difference is rating: 3D File Viewer at 4.4 against SimLab CAD Viewer's 1.7. 3D File Viewer also leads on review sentiment (33% vs 15%) and ratings volume (54 vs 6). SimLab CAD Viewer's advantage is in-app purchases (none vs 4) and iOS requirement (8.0 vs 16.6). On price, update cadence, ads 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 File Viewer sells 4 in-app purchases, starting at $3.99 per month. SimLab CAD Viewer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

3D File Viewer holds the better App Store score, 4.4 against 1.7. That said, the two scores are not equally well evidenced: 3D File Viewer has 54 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 15% of SimLab CAD Viewer's written reviews are positive against 33% of 3D File Viewer's.

UpkeepUpdate frequency

SimLab CAD Viewer ships an update every 6 weeks, 3D File Viewer every 3 weeks. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

Scorecard6 real differences · 4 level
SimLab CAD Viewer versus 3D File Viewer: the parameters behind the verdict, then further details
ParameterSimLab CAD Viewer3D File Viewer
PriceFreeFree
Rating1.7 (6 ratings)4.4 (54 ratings) — better
Positive reviews15.4% of reviews33.3% of reviews — better
Number of ratings654 — better
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS8.0 — better16.6
Further details — not scored
Size45 MB11 MB
Age rating4+4+
DeveloperSimulation Lab SoftwareAndeesh Mehdi Syed

Customer experience

SimLab CAD Viewer

All ratings5 ratings
Positive20.0%
Neutral0.0%
Negative80.0%
Written reviews13 reviews
Positive15.4%
Neutral15.4%
Negative69.2%

3D File Viewer

All ratings48 ratings
Positive89.6%
Neutral0.0%
Negative10.4%
Written reviews6 reviews
Positive33.3%
Neutral16.7%
Negative50.0%

In-app purchases

None

SimLab CAD Viewer

No in-app purchases

4 purchases

3D File Viewer

Subscriptions2
  • Remove Ads - Monthly3 Days trial$3.991 Month
  • Remove Ads - Annual3 Days trial$29.991 Year
One-time2
  • Remove Ads - Lifetime$29.99
  • Remove Ads$29.99

Questions

Is SimLab CAD Viewer free?
SimLab CAD Viewer is free to download, with no in-app purchases.
Is 3D File Viewer free?
3D File Viewer is free to download, with in-app purchases available.
Which has better reviews, SimLab CAD Viewer or 3D File Viewer?
3D File Viewer is rated higher. SimLab CAD Viewer averages 1.7 out of 5 from 6 ratings, while 3D File Viewer averages 4.4 from 54 ratings.
Do SimLab CAD Viewer or 3D File Viewer have ads?
Neither SimLab CAD Viewer nor 3D File Viewer shows ads.
Which is updated more often, SimLab CAD Viewer or 3D File Viewer?
SimLab CAD Viewer ships an update every 6 weeks, and 3D File Viewer every 3 weeks. Most recently, SimLab CAD Viewer was updated on November 1, 2026 and 3D File Viewer on October 31, 2026.

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