# Factorial Calculator vs Model Scale Calculator

The clearest difference is ads: Model Scale Calculator at none against Factorial Calculator's shown. Model Scale Calculator also leads on monetization model (free vs ad-supported). Factorial Calculator's advantage is iOS requirement (11.0 vs 17.0). On price, rating, ratings volume and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Factorial Calculator against 5.0 for Model Scale Calculator. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

## The numbers

| Metric | Factorial Calculator | Model Scale Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/factorial-calculator/id6741139916/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/model-scale-calculator/id6797369448/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | — |
| Monetization | Ad-supported | **Free** |
| Size | 12 MB | 4 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SDG CODE DOO NIS](https://appshunter.io/developer/1343251532) | [Harbor Apps LLC](https://appshunter.io/developer/1519633346) |

## What reviewers say

### Factorial Calculator

[App page](https://appshunter.io/ios/app/factorial-calculator/id6741139916)

Easily compute the factorial of any whole number with this straightforward utility. Designed for simplicity and ease of use, it provides a quick way to get factorial results.

**Highlights:** Calculate factorials, Whole number input, Easy to use interface, Quick results

**Features:** macOS Compatibility

**In-app purchases:** none


### Model Scale Calculator

[App page](https://appshunter.io/ios/app/model-scale-calculator/id6797369448)

Easily convert real-world dimensions to model sizes and vice versa across numerous scales. Supports various input formats and offers a comparative view across multiple hobby groups. Works offline with no account or ads.

**Highlights:** Scale conversion for models, Real to model dimension calculation, Model to real dimension calculation, Scale identification, Comparison across multiple scales, Supports various input units, Offline functionality

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Factorial Calculator free?

Factorial Calculator is free to download, with no in-app purchases.

### Is Model Scale Calculator free?

Model Scale Calculator is free to download, with no in-app purchases.

### Which has better reviews, Factorial Calculator or Model Scale Calculator?

Factorial Calculator and Model Scale Calculator are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Factorial Calculator or Model Scale Calculator have ads?

Factorial Calculator shows ads; Model Scale Calculator does not.

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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.*