# Thermonator Thermodynamics — Thermodynamics calculator > Thermodynamic calculator for engineering problems, steam tables, and concept explanations. (iPhone/iPad app by Tomas Gomez Martin.) - Source: https://appshunter.io/ios/app/thermonator-thermodynamics/id6749546059 (this page in markdown: same URL + `.md`) - Developer: [Tomas Gomez Martin](https://appshunter.io/developer/1831038451) - Category: Education, Productivity - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 13.0 · 44 MB - Languages: English - Released: 2025-08-15 - Data updated: 2026-07-03 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/thermonator-thermodynamics/id6749546059/reviews.md ## What is Thermonator Thermodynamics? - Thermodynamic calculator to solve problems and exercises from Thermodynamic Engineering books. - Quickly calculates steam tables for water, air, ideal gases, refrigerants and other substances. - Contains help and explanations of the main theoretical concepts, equations, first and second thermodynamic laws, etc. FUNCTIONALITIES No advertising. Interactive graph. Share results. Educational aids - Step-by-step calculations. - Solved exercises. - Quick reminders on thermodynamic concepts and formulas. Settings - Control system: Control mass, Control volume. - Sign convention: ΔU = Q − W, ΔU = Q + W. - Reference state: Normal boiling point, ASHRAE, IIR, Çengel-Boles, Moran-Shapiro, Reynolds, Sonntag-Van Wylen-Borgnakke. - Ambient conditions: EPA, ISO, IUPAC, NIST. - Units: International System of Units, Imperial System of Units, Traditional US units. Calculations - Properties: State, Saturation, Process, Cycle. - Calculation of states, processes, and cycles. - Warnings for sensitive calculations: Critical point, Saturation dome (PT), Liquid (v), Gas (Th). - Processes: Polytropic, Isobar, Isotherm, Isochore, Isenthalpic, Adiabatic. - Substances: Water, Noble gases, Ideal gases, Ideal gases (cp Variable), Custom gas. Calculation wizards - Interpolation: One dimension, Two dimensions. - Units converter: Pressure, Temperature, Volume, Mass, Energy, Power. Results reports - Substances: Formula, Molecular mass, Critical point, Normal boiling point, Specific heat. - Summary: Settings, States, Processes, Cycles. - Calculations: Step-by-step calculations. - Balances: Mass balance. PREMIUM Calculations - Processes: Irreversible, Inlet+Outlet, Branches, Reheating, Subcooling. - Substances: Real substances (Acetone, Air, Ammonia, Benzene, Butane, Carbon dioxide, Ethane, Ethanol, Ethylene, Heptane, Hexane, Isobutane, Isopentane, Methane, Nitrogen, Octane, Oxygen, Pentane, Propane, Propanol, Propylene, R-11, R-114, R-12, R-123, R-1234yf, R-124, R-13, R-134a, R-14, R-22, R-23, R-32, R-404a, R-407c, R-410a, R-500, R-502, R-507a, R-C318, SES36, Water). Calculation wizards - Energy balance: Solve exercises of Unknown process, Internal friction, Kinetic energy, Potential energy, etc. - Entropy balance: Solve exercises of Internal generated entropy, External generated entropy, Universe entropy increment, Destroyed exergy, etc. - Heat exchangers: Generic, Regenerative, Closed, Open, Mixed. - Cycles: Automatically solve 17 types of cycles. Carnot, Otto, Diesel, Dual-Mixed, Stirling, Joule-Brayton (Basic, Regenerative, Intercooler, Afterburner), Power Rankine (Basic, Reheating), Rankine with regenerative preheating (Closed, Open, Closed+Closed, Closed+Open), Cooling Rankine (Vapor-compression refrigeration). Results reports - Balances: Energy balance, Boundary work, Entropy balance, Internal generated entropy, External generated entropy, Universe entropy increment, Irreversibility (Destroyed exergy). Exercises - Open and save exercises. Terms of use (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula ## Key features - Thermodynamic calculations - Steam table computation - Step-by-step solutions - Interactive graphs - Unit conversion - Results sharing ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Premium - 1 month | $3.99 | per month | | Premiuum Student - 1 month | $1.99 | per month | | Premium - 6 months | $9.99 | per 6 months | | Premium - 6 months | $4.99 | per 6 months | ## Frequently asked questions about Thermonator Thermodynamics ### What kind of thermodynamic problems can Thermonator solve? Thermonator can solve a wide range of problems from thermodynamic engineering books, including state, process, and cycle calculations. The premium version expands this to include irreversible processes, heat exchangers, and 17 different cycle types. ### Does Thermonator have ads? No, Thermonator does not contain any advertising, providing an uninterrupted user experience for calculations and learning. ### What substances can Thermonator calculate properties for? The free version calculates properties for water, noble gases, ideal gases, and custom gases. The premium version significantly expands this list to include numerous real substances like refrigerants, hydrocarbons, and common industrial gases. ### How does Thermonator help with learning thermodynamics? Thermonator includes educational aids such as step-by-step calculations, solved exercises, and quick reminders on theoretical concepts and formulas. This interactive approach aims to reinforce understanding of key thermodynamic principles. ### What are the different unit systems supported by Thermonator? Thermonator supports the International System of Units (SI), the Imperial System of Units, and Traditional US units, allowing users to work with their preferred measurement standards. ### What are the subscription options for Thermonator? Thermonator offers several subscription plans, including a 'Premiuum Student' plan for 1 month at $1.99, a 'Premium' plan for 1 month at $3.99, and a 'Premium' plan for 6 months at $4.99 or $9.99, depending on the specific tier. ### Can I save and open my exercises in Thermonator? Yes, the ability to open and save exercises is a feature available in the premium version of Thermonator, allowing users to manage their work and revisit specific problems. ### What is the age rating for Thermonator? Thermonator has an age rating of 4+, making it suitable for a wide range of users, including younger students learning basic scientific concepts. ## Version history (last 5 releases) ### 4.19.0 — 2026-06-11 - Entropy balance - Internal generated entropy - External generated entropy - Universe entropy increment - Irreversibility (Destroyed exergy) ### 4.18.0 — 2026-04-10 - Substances: Acetone, Benzene, Ethanol, R-124, R-1234yf - Cycles: Joule-Brayton with intercooling, Joule-Brayton with afterburner, Joule-Brayton with intercooling and afterburner ### 4.13.0 — 2026-02-27 Custom efficiencies Regenerative efficiency Explanation of efficiency calculation Calculation of inlet and outlet areas ### 4.12.0 — 2026-02-19 Regenerative efficiency Explanation of efficiency calculation Calculation of inlet and outlet areas ### 4.9.0 — 2026-01-07 Academic offer for student groups ## Apps similar to Thermonator Thermodynamics | App | Rating | Price | Category | | --- | --- | --- | --- | | [UDCA](https://appshunter.io/ios/app/udca/id1572243939) | 5.0 (1) | Free | Education | | [Karnaugh Map Advanced](https://appshunter.io/ios/app/karnaugh-map-advanced/id429025121) | 4.8 (4) | Free | Education | | [SteamWater](https://appshunter.io/ios/app/steamwater/id6742078820) | — | Free | Education | | [Thermodynamics Quiz](https://appshunter.io/ios/app/thermodynamics-quiz/id6756225130) | — | Free | Education | | [Thermodynamic Cycles](https://appshunter.io/ios/app/thermodynamic-cycles/id834153226) | — | Free | Education | | [Matrix Calculator Solver](https://appshunter.io/ios/app/matrix-calculator-solver/id1627052139) | 3.4 (11) | Free | Education | ## Related topics [mequilibrium](https://appshunter.io/ios/topics/mequilibrium) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). 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