ROL Assistant vs Thermo Dynamics Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ROL Assistant
This utility app provides a virtual advisor for refining questions and offers extensive unit conversion tools. It also calculates steam properties and line pressure drops for various pipe materials and sizes.
- Virtual refining advisor
- Extensive unit conversions
- Steam properties calculator
- Line pressure drop calculation
- English and Metric units
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ROL Sia: Sia virtual advisor on Refining Online®. Ask Sia your refining question for answers from the Refining Online Q&A. Unit Conversion: Length, Area, Volume, Mass, Density, Pressure, Energy, Power, Temperature, Flowrate, Viscosity, Specific Energy, Heat Flux, Heat Transfer Coefficient, Thermal Conductivity... Steam Properties: Enthalpy, Density, Heat Capacity, Viscosity, Thermal Conductivity of saturated steam, water, and superheated steam. Line Pressure Drop: Single phase line pressure drop calculation for different pipe sizes and materials in English or Metric units.
Thermo Dynamics Calc
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Thermo Dynamics Calc is a powerful and easy-to-use calculator designed for thermodynamic analysis. Whether you're a student, engineer, or professional, this app helps you perform accurate calculations for heat, energy, and gas law equations. Simplify complex formulas and get instant results for your academic or industrial needs. Ideal for mechanical, chemical, and thermal engineering applications. Key Features: • Heat, energy, and work calculations • Gas law equations and pressure-volume relations • Supports multiple units and conversions • Fast, accurate, and intuitive interface • Suitable for engineering students and professionals • Useful for real-world and academic problem solving Boost your efficiency and accuracy with Thermo Dynamics Calc—your go-to thermodynamics calculator. in-app purchase included Lifetime to Remove Ads Privacy Policy : https://docs.google.com/document/d/1A79qPsEUJu1rXjqsSUct_IBBAewiuBK5b8Dz-SPD0CY/edit?usp=sharing Terms & Condition : https://docs.google.com/document/d/1_yiolHxlRnOnEZk_sgPThQ0hggtlZAKCM6NvqDOE8Gs/edit?usp=sharing
Screenshots
Verdict
The clearest difference is in-app purchases: ROL Assistant at none against Thermo Dynamics Calc's 1. ROL Assistant also leads on iOS requirement (11.4 vs 13.0). 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. Thermo Dynamics Calc sells 1 one-off in-app purchase. ROL Assistant asks for nothing beyond the download.
| Parameter | ROL Assistant | Thermo Dynamics Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 4 months | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.4 — better | 13.0 |
| Further details — not scored | ||
| Size | 28 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | Astron International, Inc. | Shraddhaben Parmar |
In-app purchases
ROL Assistant
No in-app purchases
Thermo Dynamics Calc
- Lifetime premium$12.99
Questions
Is ROL Assistant free?
Is Thermo Dynamics Calc free?
Do ROL Assistant or Thermo Dynamics Calc have ads?
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