# LCOE vs Nautlius

The clearest difference is in-app purchases: Nautlius at none against LCOE's 2. LCOE's advantage is iOS requirement (16.6 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. LCOE sells 2 one-off in-app purchases. Nautlius asks for nothing beyond the download.

## The numbers

| Metric | LCOE | Nautlius |
| --- | --- | --- |
| 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 | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Monetization | — | Free |
| Size | 5 MB | 13 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lucy Enterprises](https://appshunter.io/developer/1656612108) | [Troy Husted](https://appshunter.io/developer/1665389547) |

## What reviewers say

### LCOE

[App page](https://appshunter.io/ios/app/lcoe/id1499284022)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |
| Create New | $2.99 | one-time |


### 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


## Frequently asked questions

### Is LCOE free?

LCOE is free to download, with in-app purchases available.

### Is Nautlius free?

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

### Do LCOE or Nautlius have ads?

Neither LCOE nor Nautlius 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.*