Comparison

AC Circuit Analyzer vs Thermonator Thermodynamics

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

AC Circuit Analyzer

This application enables users to simulate and design AC circuits, offering a unique way to input circuits in phasor form. It's an ideal tool for students studying electrical engineering and related fields.

Highlights
  • AC circuit simulation
  • Phasor input for circuits
  • Ideal for theoretical and real-world scenarios
  • Supports various electrical engineering courses
  • User-friendly interface
Features
Read full description

This easy to use AC Circuit Analyzer allows users to simulate AC Circuits. The AC Circuit Analyzer is the only Circuit Analyzer that allows user to enter AC circuits in Phasor form. Making it the ideal solution for both theoretical, and real-world AC circuit simulation. The AC Circuit Analyzer is perfect for students taking courses that use AC Circuits; such as Circuits II, EM-Fields, Power Engineering, and Telecommunications.

About

Thermonator Thermodynamics

This app serves as a comprehensive thermodynamic calculator, assisting with problems from engineering textbooks. It quickly computes steam tables for various substances and offers educational aids like step-by-step calculations and concept reminders.

Highlights
  • Thermodynamic calculations
  • Steam table computation
  • Step-by-step solutions
  • Interactive graphs
  • Unit conversion
  • Results sharing
Read full description

- 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. - Dead state: 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 - Units converter: Pressure, Temperature, Volume, Mass, Energy, Power. - Interpolation: One dimension, Two dimensions. - Mass: Calculate the properties that depend on the mass. - Saturation: Calculate the states of saturated liquid and saturated vapor. 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+Exit, 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, Closed, Open, Mixed. - Cycles: Automatically solve 24 types of cycles. Basic cycles (1 Cycle), Combustion engines (4 Cycles), Gas turbine (5 Cycles), Steam turbine (2 Cycles), Steam turbine with regenerative preheating (4 Cycles), Vapor-compression refrigeration (6 Cycles), Gas refrigeration (2 Cycles). Results reports - Balances: Energy balance, Boundary work, Entropy balance, Internal generated entropy, External generated entropy, Universe entropy increment, Destroyed exergy (Irreversibility). Exercises - Open and save exercises. Terms of use (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula

Screenshots

AC Circuit Analyzer4 screens
Thermonator Thermodynamics4 screens

Verdict

The call

The clearest difference is monetization model: AC Circuit Analyzer at free against Thermonator Thermodynamics's freemium. AC Circuit Analyzer also leads on iOS requirement (11.0 vs 15.0). On price, rating, ratings volume and update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. AC Circuit Analyzer sells 1 one-off in-app purchase and Thermonator Thermodynamics sells 6 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for AC Circuit Analyzer against 5.0 for Thermonator Thermodynamics. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

AC Circuit Analyzer ships an update fortnightly, Thermonator Thermodynamics every 3 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 7 level
AC Circuit Analyzer versus Thermonator Thermodynamics: the parameters behind the verdict, then further details
ParameterAC Circuit AnalyzerThermonator Thermodynamics
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyFortnightly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.0
Further details — not scored
Size35 MB46 MB
Age rating4+4+
DeveloperPaul MoatTomas Gomez Martin

Customer experience

AC Circuit Analyzer

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Thermonator Thermodynamics

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

AC Circuit Analyzer

One-time1
  • Unlock Full Access$1.99
6 purchases

Thermonator Thermodynamics

Subscriptions6
  • Premium - 1 week$2.997 Days
  • Premium - 1 month$3.991 Month
  • Premium - 6 months$4.996 Months
Show 3 more
  • Premium - 1 month$5.991 Month
  • Premium Student - 6 months$8.996 Months
  • Premium Pro - 6 months$9.996 Months

Questions

Is AC Circuit Analyzer free?
AC Circuit Analyzer is free to download, with in-app purchases available.
Is Thermonator Thermodynamics free?
Thermonator Thermodynamics is free to download, with in-app purchases available.
Which has better reviews, AC Circuit Analyzer or Thermonator Thermodynamics?
AC Circuit Analyzer and Thermonator Thermodynamics are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do AC Circuit Analyzer or Thermonator Thermodynamics have ads?
Neither AC Circuit Analyzer nor Thermonator Thermodynamics shows ads.
Which is updated more often, AC Circuit Analyzer or Thermonator Thermodynamics?
AC Circuit Analyzer ships an update fortnightly, and Thermonator Thermodynamics every 3 weeks. Most recently, AC Circuit Analyzer was updated on November 3, 2026 and Thermonator Thermodynamics on November 5, 2026.

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