# Nautlius vs Set Theory Fundamentals

The clearest difference is iOS requirement: Set Theory Fundamentals at 15.1 against Nautlius's 18.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Nautlius | Set Theory Fundamentals |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/nautlius-stem-toolbox/id6736767636/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Monetization | Free | — |
| Size | 13 MB | 38 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Troy Husted](https://appshunter.io/developer/1665389547) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## What reviewers say

### Nautlius

[App page](https://appshunter.io/ios/app/nautlius-stem-toolbox/id6736767636)

This app provides a comprehensive suite of tools for STEM education and professional use. It offers engineering calculators, unit conversions, property lookups, and simulation capabilities. Students and professionals can utilize it for quick calculations and data analysis.

**Highlights:** Engineering calculators, Free body diagrams, Property lookup tables, Experiment simulations, Unit conversion

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

**In-app purchases:** none


### Set Theory Fundamentals

[App page](https://appshunter.io/ios/app/set-theory-fundamentals/id6774093427)

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

**In-app purchases:** none


## Frequently asked questions

### Is Nautlius free?

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

### Is Set Theory Fundamentals free?

Set Theory Fundamentals is free to download, with no in-app purchases.

### Do Nautlius or Set Theory Fundamentals have ads?

Neither Nautlius nor Set Theory Fundamentals shows ads.

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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.*