# Nautlius vs Virtual Eye Pro

The clearest difference is price: Nautlius at Free against Virtual Eye Pro's $5.99. Virtual Eye Pro's advantage is iOS requirement (13.0 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

Nautlius is free to download; Virtual Eye Pro costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Nautlius | Virtual Eye Pro |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| 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 | 194 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Troy Husted](https://appshunter.io/developer/1665389547) | [Milton Veliz Coronel](https://appshunter.io/developer/1464099612) |

## 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


### Virtual Eye Pro

[App page](https://appshunter.io/ios/app/virtual-eye-pro/id6752495869)

**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 Virtual Eye Pro free?

Virtual Eye Pro costs $5.99, with no in-app purchases.

### Do Nautlius or Virtual Eye Pro have ads?

Neither Nautlius nor Virtual Eye Pro 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.*