# Nautlius: STEM Toolbox — Engineering Calculator & Units

> STEM toolbox with engineering calculators, unit conversion, and simulations. (iPhone/iPad app by Troy Husted.)

- Source: https://appshunter.io/ios/app/nautlius-stem-toolbox/id6736767636 (this page in markdown: same URL + `.md`)
- Developer: [Troy Husted](https://appshunter.io/developer/1665389547)
- Category: Education, Utilities
- Price: Free
- Rating: 5.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 18.0 · 13 MB
- Languages: American English
- Released: 2025-05-05
- Data updated: 2026-08-25
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/nautlius-stem-toolbox/id6736767636/reviews.md

## What is Nautlius?

Nautilus is an engineering and STEM toolbox for students and professionals.

Features:
- Engineering Calculators: Choose from hundreds of equations and subjects for quick calculations
- Free Body Diagrams: Quickly copy and paste free body diagrams with calculated values
- Property Lookup: Easily find values from tables and properties
- Simulations: Run your own simulations for various experiments 
- Unit Conversion: Convert between hundreds of units

Nautilus does not contain any subscriptions or in-app purchases.

## Key features

- Engineering calculators
- Free body diagrams
- Property lookup tables
- Experiment simulations
- Unit conversion


## Frequently asked questions about Nautlius

### What is Nautlius?

Nautlius is a STEM toolbox designed for students and professionals. It offers a range of features including engineering calculators, unit conversions, property lookups, and simulation capabilities for various experiments.

### What kind of calculators does Nautlius offer?

Nautlius provides hundreds of engineering calculators covering various subjects. These allow for quick calculations of complex equations relevant to STEM fields.

### Can Nautlius be used for simulations?

Yes, Nautlius allows users to run their own simulations for various experiments. This feature is valuable for understanding scientific principles and testing hypotheses.

### Does Nautlius have ads?

No, Nautlius is ad-free. The app does not contain any advertisements, ensuring an uninterrupted user experience.

### What devices support Nautlius?

Nautlius is available on iPhone and iPad devices. It is designed to be accessible on Apple's mobile and tablet platforms.

### How often is Nautlius updated?

The latest version of Nautlius is 1.0, and it was last updated on January 20, 2025. Further update frequency is not specified but the initial release date is May 5, 2025.

### What is the age rating for Nautlius?

Nautlius has an age rating of 4+. This indicates it is suitable for a wide audience, including younger learners, due to its educational focus.

### Does Nautlius offer certifications?

The provided information does not indicate that Nautlius offers certifications. Its primary function is to provide tools for calculations, simulations, and data lookup.

## Version history (last 1 release)

### 1.0 — 2025-01-20

No release notes.

## More apps by Troy Husted

- [Habit Hippo • Quit Addictions](https://appshunter.io/ios/app/habit-hippo-quit-addictions/id1665389545)
- [Homework Tracker: Recitation](https://appshunter.io/ios/app/homework-tracker-recitation/id6463164781)
- [Crow: Daily Journal](https://appshunter.io/ios/app/crow-daily-journal/id6739782348)
- [Weather Goose](https://appshunter.io/ios/app/weather-goose/id6762085849)

All apps by Troy Husted: https://appshunter.io/developer/1665389547

## Related topics

[nautilus](https://appshunter.io/ios/topics/nautilus)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-25.*