Comparison

Model Scaler vs Autodesk Fusion

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

Head to head
About

Model Scaler

This tool instantly converts measurements between U.S. Customary and Metric units for any modeling scale. It's designed to be fast, easy, and efficient for all types of scale modelers.

Highlights
  • Instant scale conversion
  • U.S. Customary to Metric
  • Metric to U.S. Customary
  • Supports any modeling scale
  • Fast and efficient
Features
Read full description

Instant scale conversion tool for any modeling scale. Fast, easy and efficient scale model conversion. Quickly convert U.S. Customary and Metric measurements into any scale. Perfect for all scale modelers, railroad modelers and tabletop gamers.

About

Autodesk Fusion

Collaborate on 3D designs from anywhere with this mobile app. View, comment on, and share CAD models in over 100 formats. It works with a companion cloud-based desktop product for product design and development.

Highlights
  • View over 100 file formats
  • Collaborate on 3D designs
  • Comment on project activities
  • Share designs with stakeholders
  • Search and highlight parts
  • Offline data access
Read full description

Autodesk Fusion™ for iPhone and iPad lets you collaborate on 3D designs with anyone inside or outside your company. With the Fusion app, you have the flexibility to view and collaborate on your Fusion CAD models—anytime, anywhere. The app supports more than 100 file formats including DWG, SLDPRT, IPT, IAM, CATPART,IGES, STEP, STL, making it easy to share designs with your team, clients, partners, and friends. The free app works in conjunction with its companion cloud-based desktop product, Autodesk Fusion™, a 3D CAD, CAM, and CAE tool for product design and development. * To use Fusion for iPhone and iPad, you will need to sign in with your Fusion account information. FEATURES View • Upload and view more than 100 data formats including SLDPRT, SAT, IGES, STEP, STL, OBJ, DWG, F3D, SMT, and DFX • View and track project activities and updates • Review large and small 3D designs and assemblies • Access design properties and complete parts lists • Isolate and hide components in the model for easy viewing • Navigate by touch with zoom, pan, and rotate Comment • Upload photos to share info or report project status • Comment on project activities Share • Share with stakeholders inside and outside your company • Share screenshots of the design with markups directly from the app Search • Search for parts in the model and see them automatically highlighted in the design SUPPORT: https://knowledge.autodesk.com/contact-support Optional Access + Storage: Store offline data if needed, so you can view your data anywhere, anytime + Photos: Access files or data stored on your device to view, share and markup + Camera: Take pictures such as drawings with app Fusion will still function even if a user does not give permissions to access these functions.

Screenshots

Model Scaler1 screens
Autodesk Fusion3 screens

Verdict

The call

The clearest difference is rating: Autodesk Fusion at 4.5 against Model Scaler's 2.9. Autodesk Fusion also leads on update cadence (monthly vs every 6 months) and ratings volume (4.1K vs 12). Model Scaler's advantage is iOS requirement (9.0 vs 13). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Autodesk Fusion holds the better App Store score, 4.5 against 2.9. That said, the two scores are not equally well evidenced: Autodesk Fusion has 4.1K ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 40% of Model Scaler's written reviews are positive against 59% of Autodesk Fusion's.

UpkeepUpdate frequency

Model Scaler ships an update every 6 months, Autodesk Fusion monthly. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
Model Scaler versus Autodesk Fusion: the parameters behind the verdict, then further details
ParameterModel ScalerAutodesk Fusion
PriceFreeFree
Rating2.9 (12 ratings)4.5 (4.1K ratings) — better
Positive reviews40.0% of reviews59.0% of reviews — better
Number of ratings124.1K — better
Update frequencyEvery 6 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better13
Further details — not scored
Size11 MB124 MB
Age rating4+4+
DeveloperWoodland ScenicsAutodesk Inc.

Customer experience

Model Scaler

All ratings12 ratings
Positive41.7%
Neutral16.7%
Negative41.7%
Written reviews35 reviews
Positive40.0%
Neutral14.3%
Negative45.7%

Autodesk Fusion

All ratings4,096 ratings
Positive89.4%
Neutral2.2%
Negative8.4%
Written reviews781 reviews
Positive59.0%
Neutral9.3%
Negative31.6%

Bugs and requests

Model Scaler

Not enough reviews yet to summarise bugs or requests.

Autodesk Fusion

Reported bugs

4 issues
  • Fails to open files
  • White screens and rendering issues
  • Inconsistent behavior across devices
  • Frequent crashes on latest iOS versions

Requested features

4 requests
  • Full editing capabilities on iPad
  • Ability to hide/show components
  • Improved rendering and visualization
  • Offline access and file management

In-app purchases

None

Model Scaler

No in-app purchases

None

Autodesk Fusion

No in-app purchases

Questions

Is Model Scaler free?
Model Scaler is free to download, with no in-app purchases.
Is Autodesk Fusion free?
Autodesk Fusion is free to download, with no in-app purchases.
Which has better reviews, Model Scaler or Autodesk Fusion?
Autodesk Fusion is rated higher. Model Scaler averages 2.9 out of 5 from 12 ratings, while Autodesk Fusion averages 4.5 from 4.1K ratings.
Do Model Scaler or Autodesk Fusion have ads?
Neither Model Scaler nor Autodesk Fusion shows ads.
Which is updated more often, Model Scaler or Autodesk Fusion?
Model Scaler ships an update every 6 months, and Autodesk Fusion monthly. Most recently, Model Scaler was updated on October 21, 2026 and Autodesk Fusion on October 24, 2026.

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