# Model Scaler vs Autodesk Fusion

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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.

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.

## The numbers

| Metric | Model Scaler | Autodesk Fusion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (12 ratings)](https://appshunter.io/ios/app/model-scaler/id528641484/reviews) | **[4.5 (4.1K ratings)](https://appshunter.io/ios/app/autodesk-fusion/id991074843/reviews)** |
| Number of ratings | 12 | **4.1K** |
| Positive reviews | 40.0% of reviews | **59.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | Free | Free |
| Size | 11 MB | 124 MB |
| Requires iOS | **9.0** | 13 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Woodland Scenics](https://appshunter.io/developer/528641487) | [Autodesk Inc.](https://appshunter.io/developer/295089690) |

## What reviewers say

### Model Scaler

[App page](https://appshunter.io/ios/app/model-scaler/id528641484)

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:** macOS Compatibility

**In-app purchases:** none


### Autodesk Fusion

[App page](https://appshunter.io/ios/app/autodesk-fusion/id991074843)

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Great for showing designs
- 👍 Easy to use and understand
- 💡 Powerful CAD/CAM capabilities
- 🚀 Convenient for collaboration

**What reviewers complain about**

- 🐛 Crashes and login issues
- 👎 Limited functionality compared to desktop version
- 👎 Constantly logs out
- 🐛 Buggy and unreliable

**Reported bugs**

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

**Requested features**

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


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*