Comparison

DWSIM Simulator vs HeatCond2D

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

Head to head
About

DWSIM Simulator

This app provides a powerful offline chemical process simulation tool. It allows engineers to build complex process models, perform thermodynamic calculations, and analyze various unit operations. Features include a touch-enabled PFD interface, extensive compound databases, and advanced calculation engines.

Highlights
  • Offline chemical process simulation
  • Touch-enabled PFD drawing interface
  • Extensive thermodynamic models
  • Compound database for 1500+ compounds
  • Unit operation models
  • Chemical reaction and reactor support
  • Flowsheet parametric studies
Features
Read full description

DWSIM Simulator is a Steady-State Chemical Process Simulator, featuring: - Offline functionality: no need to connect to online databases or servers, DWSIM runs completely offline on your device, wherever you are! - Touch-enabled Process Flowsheet Diagram (PFD) Drawing Interface: A hardware-accelerated PFD interface with touch support allows Chemical Engineers to build complex process models in a few minutes - VLE/VLLE/SVLE/SVLLE calculations using Equation of State and Activity Coefficient models: calculate fluid properties and phase distribution with advanced thermodynamic models - Compound database with extensive data for more than 1500 compounds - Rigorous Thermodynamic Models*: PC-SAFT EOS, GERG-2008 EOS, Peng-Robinson EOS, Soave-Redlich-Kwong EOS, Lee-Kesler-Plöcker, Chao-Seader, Modified UNIFAC (Dortmund), UNIQUAC, NRTL, Wilson, Raoult's Law and IAPWS-IF97 Steam Tables - Thermophysical state (phase) properties: Enthalpy, Entropy, Internal Energy, Gibbs and Helmholtz Free Energies, Compressibility Factor, Isothermal Compressibility, Bulk Modulus, Speed of Sound, Joule-Thomson Expansion Coefficient, Density, Molecular Weight, Heat Capacity, Thermal Conductivity and Viscosity - Single-compound properties: Critical Parameters, Acentric Factor, Chemical formula, Structure formula, CAS Registry Number, Boiling Point Temperature, Vapor Pressure, Heat of Vaporization, Ideal gas Enthalpy, Ideal gas Enthalpy of Formation at 25 C, Ideal Gas Gibbs Free Energy of Formation at 25 C, Ideal Gas Entropy, Heat Capacity Cp, Ideal Gas Heat Capacity, Liquid Heat Capacity, Solid Heat Capacity, Heat Capacity Cv, Liquid Viscosity, Vapor Viscosity, Liquid Thermal Conductivity, Vapor Thermal Conductivity, Solid Density, Liquid Density and Molecular Weight - Comprehensive Unit Operation Model set*, including Mixer, Splitter, Separator, Pump, Compressor, Expander, Heater, Cooler, Valve, Shortcut Column, Heat Exchanger, Component Separator, Pipe Segment, Rigorous Distillation and Absorption Columns, Wind Turbine, Hydroelectric Turbine, Water Electrolyzer and Solar Panel - Support for Chemical Reactions and Reactors*: DWSIM features support for Conversion, Equilibrium and Kinetic reactions, together with their respective Reactor models - Flowsheet Parametric Studies: Use the Sensitivity Analysis Tool to run automated parametric studies on your process model; The Flowsheet Optimizer tool can bring the simulation to an optimum state according to user-defined criteria; The Calculator tool can read flowsheet variables, perform math operations on them and write the results back to the flowsheet - Petroleum Characterization: Bulk C7+ and TBP Distillation Curve characterization tools enable creation of pseudocompounds to simulate petroleum processing facilities - Parallel multicore CPU calculation engine: a fast and reliable flowsheet solver that takes advantage of the multicore CPUs on modern mobile devices - Save/Load XML simulation files on the device or in the cloud - Export simulation results to PDF and Text documents * Some items are available through in-app purchases ABOUT CHEMICAL PROCESS SIMULATION Chemical Process Simulation is a model-based representation of chemical, physical, biological, and other technical processes and unit operations in software. Basic prerequisites are a thorough knowledge of chemical and physical properties of pure components and mixtures, of reactions, and of mathematical models which, in combination, allow the calculation of a process in a computing device. Process simulation software describes processes in flow diagrams where unit operations are positioned and connected by product or educt streams. The software has to solve the mass and energy balance to find a stable operating point. The goal of a process simulation is to find optimal conditions for a process.

About

HeatCond2D

Features
Read full description

Create your section, apply thermal conditions, and find the temperatures for a section of a single material or composite materials. Supports metric and imperial unit conversion. Heat transfer model uses the two-dimensional (2D) finite difference method. Try the trial version for free and create your model today. Subscribe to the Pro Version to access feature to: - Analyse sections with more than 10 meshes. Pro Version Subscription (Auto-Renews) - Pro Version (1 Month) – Monthly Subscription - Pro Version (6 Months) – 6 Months Subscription - Pro Version (1 Year) – 1 Year Subscription Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

DWSIM Simulator4 screens
HeatCond2D4 screens

Verdict

The call

The clearest difference is iOS requirement: DWSIM Simulator at 12.0 against HeatCond2D's 26.0. On price, update cadence, ads and in-app purchases 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. DWSIM Simulator sells 10 one-off in-app purchases and HeatCond2D sells 5 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

DWSIM Simulator ships an update every 6 weeks, HeatCond2D every 3 weeks. The most recent releases landed on October 1, 2026 and September 17, 2026 respectively.

Scorecard1 real difference · 9 level
DWSIM Simulator versus HeatCond2D: the parameters behind the verdict, then further details
ParameterDWSIM SimulatorHeatCond2D
PriceFreeFree
Rating4.6 (105 ratings) — better—
Positive reviews57.1% of reviews—
Number of ratings105 — better—
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better26.0
Further details — not scored
Size106 MB86 MB
Age rating4+4+
DeveloperDaniel MedeirosIntellicreed Sdn. Bhd.

In-app purchases

10 purchases

DWSIM Simulator

One-time10
  • User-Defined Unit Set$1.99
  • Flowsheet Utilities Pack$2.99
  • Unit Operations Pack 1$2.99
Show 7 more
  • Unit Operations Pack 2$2.99
  • Unit Operations Pack 3$2.99
  • Activity Coeff. Model Pack$3.99
  • Equation of State Model Pack$3.99
  • Reactor Models Pack$4.99
  • Unlock All Features$9.99
  • Unlock All Features$39.99
5 purchases

HeatCond2D

Subscriptions5
  • Pro Version (1 Week)$6.997 Days
  • Pro Version (1 Month)$24.991 Month
  • Pro Version (3 Months)$49.993 Months
Show 2 more
  • Pro Version (6 Months)$74.996 Months
  • Pro Version (1 Year)$99.991 Year

Questions

Is DWSIM Simulator free?
DWSIM Simulator is free to download, with in-app purchases available.
Is HeatCond2D free?
HeatCond2D is free to download, with in-app purchases available.
Do DWSIM Simulator or HeatCond2D have ads?
Neither DWSIM Simulator nor HeatCond2D shows ads.
Which is updated more often, DWSIM Simulator or HeatCond2D?
DWSIM Simulator ships an update every 6 weeks, and HeatCond2D every 3 weeks. Most recently, DWSIM Simulator was updated on October 1, 2026 and HeatCond2D on September 17, 2026.

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