---
title: "Nautlius: STEM Toolbox - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "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 Diag"
---

# Nautlius: STEM Toolbox — United States
> Engineering Calculator & Units

![Nautlius App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/74/49/02/744902f9-2690-86aa-7bc5-401e4f1f8a2d/AppIcon-0-0-1x_U007epad-0-1-85-220.png/434x0w.png)

**Developer:** [Troy Husted](https://apptail.io/developer/troy-husted-oxFc)
**Category:** Education
**Rating:** 5.0/5 (2 ratings)
**Price:** Free
**Bundle ID:** TroyHusted.EngineeringToolkit
**Store:** Apple App Store
**Country:** United States
**Version:** 1.0 (released 2024-11-06)
**Original Release:** 2025-05-05
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6736767636)
**AppTail Page:** [https://apptail.io/app/nautlius-stem-toolbox-qOiu/united-states](https://apptail.io/app/nautlius-stem-toolbox-qOiu/united-states)

## Nautlius Description
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.

## Nautlius Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/84/02/63/840263f1-7845-affc-7a8d-86cc7be03c00/English__U005ben_U005d__U007c_iPhone_-_6.7_U0022_Display_-_1.png/1290x2796.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/9a/98/85/9a988503-0af2-ed6a-1c4a-53ebd0f61ed4/English__U005ben_U005d__U007c_iPhone_-_6.7_U0022_Display_-_2.png/1290x2796.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/31/c2/ec/31c2ec7b-c745-38a5-1439-9cb1f5c108ee/English__U005ben_U005d__U007c_iPhone_-_6.7_U0022_Display_-_3.png/1290x2796.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/85/a7/0b/85a70b00-c43c-f996-555b-2c93c2a5cef4/English__U005ben_U005d__U007c_iPhone_-_6.7_U0022_Display_-_4.png/1290x2796.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/6c/31/8e/6c318e9b-7147-5ecc-7b25-af880c13a5f5/English__U005ben_U005d__U007c_iPhone_-_6.7_U0022_Display_-_5.png/1290x2796.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/0b/ea/a1/0beaa117-0ef7-fb9f-5629-e996c8e9ccf9/English__U005ben_U005d__U007c_iPhone_-_6.7_U0022_Display_-_6.png/1290x2796.png)

## Nautlius Rating Breakdown in United States
- 5 stars: 2 (100%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)






## Nautlius Available In
- [United States](https://apptail.io/app/nautlius-stem-toolbox-qOiu/united-states)
- [Australia](https://apptail.io/app/nautlius-stem-toolbox-qOiu/australia)
- [Israel](https://apptail.io/app/nautlius-stem-toolbox-qOiu/israel)
- [Austria](https://apptail.io/app/nautlius-stem-toolbox-qOiu/austria)
- [Azerbaijan](https://apptail.io/app/nautlius-stem-toolbox-qOiu/azerbaijan)
- [Belgium](https://apptail.io/app/nautlius-stem-toolbox-qOiu/belgium)
- [Bulgaria](https://apptail.io/app/nautlius-stem-toolbox-qOiu/bulgaria)
- [Brunei](https://apptail.io/app/nautlius-stem-toolbox-qOiu/brunei)
- [Belarus](https://apptail.io/app/nautlius-stem-toolbox-qOiu/belarus)
- [Canada](https://apptail.io/app/nautlius-stem-toolbox-qOiu/canada)
- [Switzerland](https://apptail.io/app/nautlius-stem-toolbox-qOiu/switzerland)
- [Chile](https://apptail.io/app/nautlius-stem-toolbox-qOiu/chile)
- [China](https://apptail.io/app/nautlius-stem-toolbox-qOiu/china)
- [Colombia](https://apptail.io/app/nautlius-stem-toolbox-qOiu/colombia)
- [Cyprus](https://apptail.io/app/nautlius-stem-toolbox-qOiu/cyprus)
- [Czechia](https://apptail.io/app/nautlius-stem-toolbox-qOiu/czechia)
- [Germany](https://apptail.io/app/nautlius-stem-toolbox-qOiu/germany)
- [Denmark](https://apptail.io/app/nautlius-stem-toolbox-qOiu/denmark)
- [Dominican Republic](https://apptail.io/app/nautlius-stem-toolbox-qOiu/dominican-republic)
- [Algeria](https://apptail.io/app/nautlius-stem-toolbox-qOiu/algeria)
- [Ecuador](https://apptail.io/app/nautlius-stem-toolbox-qOiu/ecuador)
- [Estonia](https://apptail.io/app/nautlius-stem-toolbox-qOiu/estonia)
- [Egypt](https://apptail.io/app/nautlius-stem-toolbox-qOiu/egypt)
- [Spain](https://apptail.io/app/nautlius-stem-toolbox-qOiu/spain)
- [Finland](https://apptail.io/app/nautlius-stem-toolbox-qOiu/finland)
- [France](https://apptail.io/app/nautlius-stem-toolbox-qOiu/france)
- [United Kingdom](https://apptail.io/app/nautlius-stem-toolbox-qOiu/united-kingdom)
- [Ghana](https://apptail.io/app/nautlius-stem-toolbox-qOiu/ghana)
- [Greece](https://apptail.io/app/nautlius-stem-toolbox-qOiu/greece)
- [Hong Kong SAR China](https://apptail.io/app/nautlius-stem-toolbox-qOiu/hong-kong)
- [Croatia](https://apptail.io/app/nautlius-stem-toolbox-qOiu/croatia)
- [Hungary](https://apptail.io/app/nautlius-stem-toolbox-qOiu/hungary)
- [Indonesia](https://apptail.io/app/nautlius-stem-toolbox-qOiu/indonesia)
- [Ireland](https://apptail.io/app/nautlius-stem-toolbox-qOiu/ireland)
- [India](https://apptail.io/app/nautlius-stem-toolbox-qOiu/india)
- [Iceland](https://apptail.io/app/nautlius-stem-toolbox-qOiu/iceland)
- [Italy](https://apptail.io/app/nautlius-stem-toolbox-qOiu/italy)
- [Jordan](https://apptail.io/app/nautlius-stem-toolbox-qOiu/jordan)
- [Japan](https://apptail.io/app/nautlius-stem-toolbox-qOiu/japan)
- [South Korea](https://apptail.io/app/nautlius-stem-toolbox-qOiu/south-korea)
- [Kuwait](https://apptail.io/app/nautlius-stem-toolbox-qOiu/kuwait)
- [Kazakhstan](https://apptail.io/app/nautlius-stem-toolbox-qOiu/kazakhstan)
- [Lebanon](https://apptail.io/app/nautlius-stem-toolbox-qOiu/lebanon)
- [Sri Lanka](https://apptail.io/app/nautlius-stem-toolbox-qOiu/sri-lanka)
- [Luxembourg](https://apptail.io/app/nautlius-stem-toolbox-qOiu/luxembourg)
- [Latvia](https://apptail.io/app/nautlius-stem-toolbox-qOiu/latvia)
- [Madagascar](https://apptail.io/app/nautlius-stem-toolbox-qOiu/madagascar)
- [North Macedonia](https://apptail.io/app/nautlius-stem-toolbox-qOiu/north-macedonia)
- [Mali](https://apptail.io/app/nautlius-stem-toolbox-qOiu/mali)
- [Malta](https://apptail.io/app/nautlius-stem-toolbox-qOiu/malta)
- [Mexico](https://apptail.io/app/nautlius-stem-toolbox-qOiu/mexico)
- [Malaysia](https://apptail.io/app/nautlius-stem-toolbox-qOiu/malaysia)
- [Nigeria](https://apptail.io/app/nautlius-stem-toolbox-qOiu/nigeria)
- [Netherlands](https://apptail.io/app/nautlius-stem-toolbox-qOiu/netherlands)
- [Norway](https://apptail.io/app/nautlius-stem-toolbox-qOiu/norway)
- [Nepal](https://apptail.io/app/nautlius-stem-toolbox-qOiu/nepal)
- [New Zealand](https://apptail.io/app/nautlius-stem-toolbox-qOiu/new-zealand)
- [Peru](https://apptail.io/app/nautlius-stem-toolbox-qOiu/peru)
- [Philippines](https://apptail.io/app/nautlius-stem-toolbox-qOiu/philippines)
- [Pakistan](https://apptail.io/app/nautlius-stem-toolbox-qOiu/pakistan)
- [Poland](https://apptail.io/app/nautlius-stem-toolbox-qOiu/poland)
- [Portugal](https://apptail.io/app/nautlius-stem-toolbox-qOiu/portugal)
- [Romania](https://apptail.io/app/nautlius-stem-toolbox-qOiu/romania)
- [Russia](https://apptail.io/app/nautlius-stem-toolbox-qOiu/russia)
- [Saudi Arabia](https://apptail.io/app/nautlius-stem-toolbox-qOiu/saudi-arabia)
- [Sweden](https://apptail.io/app/nautlius-stem-toolbox-qOiu/sweden)
- [Singapore](https://apptail.io/app/nautlius-stem-toolbox-qOiu/singapore)
- [Slovenia](https://apptail.io/app/nautlius-stem-toolbox-qOiu/slovenia)
- [Slovakia](https://apptail.io/app/nautlius-stem-toolbox-qOiu/slovakia)
- [Thailand](https://apptail.io/app/nautlius-stem-toolbox-qOiu/thailand)
- [Tunisia](https://apptail.io/app/nautlius-stem-toolbox-qOiu/tunisia)
- [Türkiye](https://apptail.io/app/nautlius-stem-toolbox-qOiu/turkey)
- [Taiwan](https://apptail.io/app/nautlius-stem-toolbox-qOiu/taiwan)
- [Ukraine](https://apptail.io/app/nautlius-stem-toolbox-qOiu/ukraine)
- [Vietnam](https://apptail.io/app/nautlius-stem-toolbox-qOiu/vietnam)
- [United Arab Emirates](https://apptail.io/app/nautlius-stem-toolbox-qOiu/united-arab-emirates)
- [South Africa](https://apptail.io/app/nautlius-stem-toolbox-qOiu/south-africa)
- [Armenia](https://apptail.io/app/nautlius-stem-toolbox-qOiu/armenia)
- [Argentina](https://apptail.io/app/nautlius-stem-toolbox-qOiu/argentina)

---

## About AppTail

[AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. Track your app's performance, discover ranking keywords, monitor competitors, and analyze market trends.

- [Search Apps](https://apptail.io)
- [Top Charts](https://apptail.io/top-iphone-apps)
- [Sign Up for Full Access](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=footer)

*Data provided by [AppTail](https://apptail.io) - Mobile App Intelligence Platform*