LCOE vs Nautlius
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LCOE
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An app for calculating levelized (break-even) cost of electricity for a power plant based on net-present-value at a certain hurdle/discount rate. App includes provision for incentives and its impact on taxes and revenue. It displays all details of calculation, including power output, projected revenue, taxes, depreciation, financial incentives such as MACRS, PTC, ITC, CBI and FIT, CO2 tax and inflation. In-app purchase allows user to create new models and set custom hurdle rate.
Nautlius
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.
- Engineering calculators
- Free body diagrams
- Property lookup tables
- Experiment simulations
- Unit conversion
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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.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. LCOE sells 2 one-off in-app purchases. Nautlius asks for nothing beyond the download.
| Parameter | LCOE | Nautlius |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 4 days | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 16.6 — better | 18.0 |
| Further details — not scored | ||
| Size | 5 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Lucy Enterprises | Troy Husted |
In-app purchases
LCOE
- Remove ads$1.99
- Create New$2.99
Nautlius
No in-app purchases









