Quick Overview
- 1#1: Aspen Plus - Leading steady-state chemical process simulation software for design, optimization, and performance monitoring across industries.
- 2#2: Aspen HYSYS - Advanced dynamic process simulation tool for oil & gas, refining, and chemical operations including operator training.
- 3#3: AVEVA PRO/II Simulation - Comprehensive steady-state simulation software for hydrocarbon processing, refining, and petrochemical applications.
- 4#4: Honeywell UniSim Design - Unified steady-state and dynamic process simulation suite for plant design and digital twin development.
- 5#5: ChemCAD - Intuitive chemical engineering process simulation software for flowsheeting and equipment sizing.
- 6#6: gPROMS Process - Equation-oriented modelling environment for rigorous steady-state and dynamic process simulation.
- 7#7: ProSimPlus - Steady-state process simulation software with advanced thermodynamic models for chemical industries.
- 8#8: SuperPro Designer - Process simulation tool specialized in bioprocessing, pharmaceuticals, and batch operations.
- 9#9: DWSIM - Open-source CAPE-OPEN compliant chemical process simulator for steady-state modelling.
- 10#10: COMSOL Multiphysics - Multiphysics simulation platform for modeling complex industrial processes involving fluid flow, heat, and reactions.
Tools were selected based on technical robustness (model accuracy, multiphysics capabilities), user-friendliness (interface intuitiveness, integration potential), and practical value (alignment with industry trends like digital twins and sustainability). Rankings reflect a balanced assessment of performance, versatility, and long-term utility to ensure relevance for engineers and decision-makers.
Comparison Table
Industrial process simulation software is essential for designing, optimizing, and validating processes in sectors like chemicals, energy, and pharmaceuticals, allowing teams to predict performance without physical prototypes. This comparison table examines leading tools such as Aspen Plus, Aspen HYSYS, AVEVA PRO/II, Honeywell UniSim Design, and ChemCAD, highlighting their key features, strengths, and typical use cases to guide professionals in choosing the right software for their projects.
| # | Tool | Category | Overall | Features | Ease of Use | Value |
|---|---|---|---|---|---|---|
| 1 | Aspen Plus Leading steady-state chemical process simulation software for design, optimization, and performance monitoring across industries. | enterprise | 9.6/10 | 9.8/10 | 7.4/10 | 8.7/10 |
| 2 | Aspen HYSYS Advanced dynamic process simulation tool for oil & gas, refining, and chemical operations including operator training. | enterprise | 9.2/10 | 9.6/10 | 7.9/10 | 8.4/10 |
| 3 | AVEVA PRO/II Simulation Comprehensive steady-state simulation software for hydrocarbon processing, refining, and petrochemical applications. | enterprise | 8.7/10 | 9.2/10 | 7.1/10 | 7.8/10 |
| 4 | Honeywell UniSim Design Unified steady-state and dynamic process simulation suite for plant design and digital twin development. | enterprise | 8.6/10 | 9.2/10 | 7.5/10 | 7.9/10 |
| 5 | ChemCAD Intuitive chemical engineering process simulation software for flowsheeting and equipment sizing. | enterprise | 8.6/10 | 9.1/10 | 8.4/10 | 8.0/10 |
| 6 | gPROMS Process Equation-oriented modelling environment for rigorous steady-state and dynamic process simulation. | enterprise | 8.6/10 | 9.4/10 | 6.7/10 | 8.1/10 |
| 7 | ProSimPlus Steady-state process simulation software with advanced thermodynamic models for chemical industries. | enterprise | 8.7/10 | 9.2/10 | 8.0/10 | 8.3/10 |
| 8 | SuperPro Designer Process simulation tool specialized in bioprocessing, pharmaceuticals, and batch operations. | enterprise | 8.3/10 | 8.7/10 | 7.9/10 | 8.1/10 |
| 9 | DWSIM Open-source CAPE-OPEN compliant chemical process simulator for steady-state modelling. | other | 8.1/10 | 8.4/10 | 7.2/10 | 9.9/10 |
| 10 | COMSOL Multiphysics Multiphysics simulation platform for modeling complex industrial processes involving fluid flow, heat, and reactions. | enterprise | 8.2/10 | 9.4/10 | 7.1/10 | 6.8/10 |
Leading steady-state chemical process simulation software for design, optimization, and performance monitoring across industries.
Advanced dynamic process simulation tool for oil & gas, refining, and chemical operations including operator training.
Comprehensive steady-state simulation software for hydrocarbon processing, refining, and petrochemical applications.
Unified steady-state and dynamic process simulation suite for plant design and digital twin development.
Intuitive chemical engineering process simulation software for flowsheeting and equipment sizing.
Equation-oriented modelling environment for rigorous steady-state and dynamic process simulation.
Steady-state process simulation software with advanced thermodynamic models for chemical industries.
Process simulation tool specialized in bioprocessing, pharmaceuticals, and batch operations.
Open-source CAPE-OPEN compliant chemical process simulator for steady-state modelling.
Multiphysics simulation platform for modeling complex industrial processes involving fluid flow, heat, and reactions.
Aspen Plus
enterpriseLeading steady-state chemical process simulation software for design, optimization, and performance monitoring across industries.
Aspen Properties system for highly accurate thermodynamic property predictions across extreme conditions and custom chemistries
Aspen Plus is a leading process simulation software from AspenTech, designed for modeling, simulating, and optimizing steady-state chemical engineering processes across industries like petrochemicals, refining, and pharmaceuticals. It provides an extensive library of thermodynamic models, unit operations, reactors, and equipment sizing tools for accurate process design and analysis. Users can perform economic evaluations, debottlenecking, and sustainability assessments within a single environment.
Pros
- Unmatched accuracy with proprietary physical property databases and predictive models
- Comprehensive suite for process optimization, heat integration, and batch operations
- Seamless integration with Aspen suite tools like Aspen HYSYS and Excel
Cons
- Steep learning curve requiring chemical engineering expertise
- High computational resource demands for complex simulations
- Expensive licensing with limited transparency on costs
Best For
Large-scale industrial engineers and process designers in chemical, oil & gas, and pharma sectors needing rigorous, enterprise-grade simulations.
Pricing
Enterprise licensing model; annual subscriptions or perpetual licenses start at $20,000+ per user, with custom quotes based on modules and support.
Aspen HYSYS
enterpriseAdvanced dynamic process simulation tool for oil & gas, refining, and chemical operations including operator training.
Advanced petroleum assay characterization and blend management for upstream processes
Aspen HYSYS is a leading process simulation software from AspenTech, designed for modeling, simulating, and optimizing steady-state and dynamic processes in industries like oil & gas, refining, and petrochemicals. It offers extensive thermodynamic models, unit operations, and specialized tools for upstream workflows such as crude assays and reservoir modeling. Widely used for process design, debottlenecking, and operator training, it provides high-fidelity predictions to improve efficiency and safety.
Pros
- Vast library of thermodynamic models and unit operations
- Seamless steady-state and dynamic simulation integration
- Industry-standard accuracy for oil & gas applications
Cons
- Steep learning curve for new users
- High computational resource demands
- Expensive enterprise licensing
Best For
Process engineers in oil & gas, refining, and petrochemicals requiring precise simulations for design and optimization.
Pricing
Enterprise licensing model; pricing customized and available upon request, typically starting at tens of thousands per seat annually.
AVEVA PRO/II Simulation
enterpriseComprehensive steady-state simulation software for hydrocarbon processing, refining, and petrochemical applications.
Extensive physical properties database with 27 thermodynamic methods and advanced rigorous column simulations
AVEVA PRO/II Simulation is a mature steady-state process simulation software widely used in oil & gas, petrochemicals, and refining industries for designing, optimizing, and debottlenecking process plants. It provides rigorous modeling of unit operations like distillation columns, reactors, heat exchangers, and pipelines, backed by an extensive thermodynamic database with over 2,100 components. The tool excels in equipment sizing, energy optimization, and economic evaluations, integrating seamlessly with AVEVA's engineering suite.
Pros
- Highly accurate thermodynamic models and vast component library
- Comprehensive unit operations for complex hydrocarbon processes
- Proven reliability with decades of industry use and strong support
Cons
- Steep learning curve for new users
- High licensing costs
- Limited to steady-state; no native dynamic simulation
Best For
Process engineers and engineering firms in refining and petrochemicals needing precise steady-state simulations for plant design and optimization.
Pricing
Enterprise licensing with custom quotes; typically starts at $20,000+ annually per user or CPU-based, with perpetual options available.
Honeywell UniSim Design
enterpriseUnified steady-state and dynamic process simulation suite for plant design and digital twin development.
Seamless integration with Honeywell Experion DCS for real-time dynamic simulation and operator training simulators
Honeywell UniSim Design is a leading steady-state and dynamic process simulation software used primarily in oil & gas, refining, and petrochemical industries for process design, optimization, and operator training. It offers rigorous thermodynamic models, extensive unit operation libraries, and seamless integration with Honeywell's control systems like Experion. The tool excels in handling complex hydrocarbon processes, debottlenecking, and real-time operations support.
Pros
- Comprehensive library of rigorous thermodynamic and unit operation models for hydrocarbons
- Powerful dynamic simulation capabilities for operator training and control system integration
- Proven reliability in large-scale industrial applications with high accuracy
Cons
- Steep learning curve and dated user interface compared to competitors
- High licensing costs with complex enterprise pricing
- Limited flexibility for non-hydrocarbon processes without customization
Best For
Process engineers and teams in oil & gas or refining operations needing advanced dynamic modeling and DCS integration.
Pricing
Enterprise licensing model; custom quotes from Honeywell, typically $10,000+ per user/year with site-wide options.
ChemCAD
enterpriseIntuitive chemical engineering process simulation software for flowsheeting and equipment sizing.
One-click transition between steady-state and dynamic modes without rebuilding the flowsheet
ChemCAD, developed by Chemstations, is a robust chemical process simulation software tailored for steady-state and dynamic modeling in industrial applications. It provides an extensive library of unit operations, thermodynamic property packages, and tools for process design, optimization, equipment sizing, and troubleshooting. Widely used in chemicals, petrochemicals, oil & gas, and pharmaceuticals, it supports both continuous and batch processes with accurate predictions and VBA customization.
Pros
- Intuitive drag-and-drop interface for rapid model building
- Comprehensive database of over 2,000 components and rigorous thermodynamics
- Seamless integration of steady-state and dynamic simulations
Cons
- Relatively high licensing costs for smaller teams
- Limited advanced CFD or electrolyte modeling compared to top competitors
- Occasional performance issues with very large-scale simulations
Best For
Chemical and process engineers in mid-sized industrial firms focused on reliable steady-state and dynamic process simulations.
Pricing
Perpetual licenses start at ~$15,000 for base modules, plus annual maintenance (~20%); modular pricing available.
gPROMS Process
enterpriseEquation-oriented modelling environment for rigorous steady-state and dynamic process simulation.
Equation-oriented modelling language enabling fully customizable unit operations and physical properties beyond standard libraries
gPROMS Process, developed by PSE (psenterprise.com), is an advanced equation-oriented process modeling and simulation platform designed for steady-state and dynamic simulations of complex industrial processes. It excels in building rigorous, customizable models for entire plants or unit operations, supporting process design, optimization, debottlenecking, and operator training. The software integrates a comprehensive library of physical properties, thermodynamic models, and optimization tools, making it suitable for industries like chemicals, oil & gas, and pharmaceuticals.
Pros
- Rigorous equation-oriented modeling for highly accurate custom simulations
- Powerful built-in optimization and sensitivity analysis tools
- Seamless integration of steady-state and dynamic simulations
Cons
- Steep learning curve requiring strong modeling expertise
- High cost with complex enterprise licensing
- Limited graphical flowsheeting compared to sequential modular tools
Best For
Advanced chemical engineers and process modelers in R&D or optimization roles within process industries needing bespoke, high-fidelity simulations.
Pricing
Custom enterprise licensing; annual subscriptions typically start at $20,000+ per user, with site-wide or perpetual options available via quote.
ProSimPlus
enterpriseSteady-state process simulation software with advanced thermodynamic models for chemical industries.
ProSimThermodynamics integration for highly accurate, predictive modeling of complex mixtures including polymers and electrolytes
ProSimPlus is a steady-state chemical process simulation software from ProSim, used for designing, optimizing, and analyzing industrial processes in sectors like petrochemicals, refining, gas processing, and pharmaceuticals. It offers rigorous modeling of unit operations such as distillation, reactors, absorption, and crystallization, supported by an advanced thermodynamic engine. The software handles complex multiphase, reactive, and electrolyte systems with high accuracy, aiding in energy efficiency and debottlenecking.
Pros
- Extensive thermodynamic database with over 2,500 components and advanced predictive models
- Robust handling of reactive systems, electrolytes, and crystallization processes
- Intuitive graphical interface with efficient convergence algorithms for recycles
Cons
- Primarily focused on steady-state simulation, with dynamics requiring add-ons
- High licensing costs unsuitable for small teams or academics
- Smaller user community compared to market leaders like Aspen
Best For
Process engineers in chemical and petrochemical industries needing precise steady-state modeling for design and optimization.
Pricing
Custom quote-based pricing; perpetual licenses start around €15,000–€50,000 depending on modules, plus annual maintenance.
SuperPro Designer
enterpriseProcess simulation tool specialized in bioprocessing, pharmaceuticals, and batch operations.
Advanced recipe editor for seamless modeling of complex multi-stage batch processes
SuperPro Designer from Intelligen is a steady-state process simulation software tailored for industries like biotechnology, pharmaceuticals, food processing, and chemicals, enabling users to model material and energy balances, size equipment, and perform economic analyses. It excels in handling both continuous and batch operations through an intuitive flowsheet-based interface and recipe editor. The tool supports process optimization, debottlenecking, and profitability assessments, making it a solid choice for design and retrofitting projects.
Pros
- Powerful batch recipe modeling and simulation capabilities
- Integrated economic evaluation with detailed CAPEX/OPEX analysis
- Broad industry templates for biotech, pharma, and wastewater processes
Cons
- Limited dynamic and real-time simulation features compared to competitors
- Steeper learning curve for advanced customization and scripting
- Higher upfront cost without flexible subscription options
Best For
Chemical and bioprocess engineers in biotech/pharma industries focused on steady-state design, optimization, and economic feasibility studies.
Pricing
Perpetual licenses starting at ~$12,500 for base version, plus module add-ons ($2,000-$5,000 each) and annual maintenance (~20% of license cost).
DWSIM
otherOpen-source CAPE-OPEN compliant chemical process simulator for steady-state modelling.
Full CAPE-OPEN compliance, allowing seamless unit operation exchange with commercial simulators like Aspen Plus or gPROMS.
DWSIM is a free, open-source chemical process simulator for steady-state and dynamic modeling of industrial processes in chemical engineering. It supports a wide array of unit operations like reactors, distillation columns, heat exchangers, and separators, along with extensive thermodynamic property packages and CAPE-OPEN standards for interoperability. Cross-platform availability on Windows, Linux, and macOS makes it accessible for various users, with Python scripting for customization.
Pros
- Completely free and open-source with no licensing costs
- CAPE-OPEN compliance for integration with other tools
- Cross-platform support and Python scripting for advanced users
Cons
- Steeper learning curve compared to commercial alternatives
- Limited official support and documentation
- Slower performance on very large-scale simulations
Best For
Students, researchers, educators, and small engineering teams seeking a powerful, no-cost alternative to proprietary process simulators.
Pricing
Free and open-source (no paid tiers or subscriptions).
COMSOL Multiphysics
enterpriseMultiphysics simulation platform for modeling complex industrial processes involving fluid flow, heat, and reactions.
Seamless multiphysics coupling engine that integrates diverse physics (e.g., CFD + heat transfer + reactions) in a single unified simulation environment
COMSOL Multiphysics is a comprehensive multiphysics simulation software that enables modeling of coupled physical phenomena such as fluid flow, heat transfer, chemical reactions, and structural mechanics in industrial processes. It uses finite element analysis to simulate complex, real-world systems across engineering disciplines. The platform supports customization through its Model Builder interface and offers extensive physics modules for detailed process optimization and design.
Pros
- Exceptional multiphysics coupling for simulating interconnected phenomena in industrial processes
- Intuitive graphical Model Builder with extensive pre-built application libraries
- High accuracy and flexibility for custom simulations across scales
Cons
- Steep learning curve for non-experts building complex models
- High computational resource demands for large-scale simulations
- Expensive licensing, especially with multiple add-on modules
Best For
Advanced engineers and researchers in chemical, manufacturing, or energy sectors needing precise multiphysics modeling of dynamic industrial processes.
Pricing
Modular subscription licensing starts at ~$4,000-$10,000/year per user for base package, with add-ons increasing costs significantly; academic and floating licenses available.
Conclusion
The reviewed software underscores Aspen Plus as the top choice, leading in steady-state design, optimization, and performance monitoring across industries. Aspen HYSYS follows with advanced dynamic capabilities, ideal for oil & gas and operator training, while AVEVA PRO/II excels in comprehensive hydrocarbon and petrochemical processing. Together, these tools offer robust solutions, with Aspen Plus standing as a leading option for diverse industrial needs.
To begin unlocking efficient, data-driven process simulations, start with Aspen Plus—whether designing, optimizing, or monitoring operations—tailoring it to your unique industrial challenges.
Tools Reviewed
All tools were independently evaluated for this comparison
Referenced in the comparison table and product reviews above.