# Top 10 Aspen HYSYS Alternatives & Competitors **Average Rating:** 4.5/5 **Total Number of Reviews:** 45 Explore the best alternatives to Aspen HYSYS for users who need new software features or want to try different solutions. Other important factors to consider when researching alternatives to Aspen HYSYS include projects and design. The best overall Aspen HYSYS alternative is gPROMS. Other similar apps like Aspen HYSYS are CHEMCAD, Surfer, Petrel E&P Software Platform, and AFT Fathom. Aspen HYSYS alternatives can be found in [Oil and Gas Simulation and Modeling Software](https://www.g2.com/categories/oil-and-gas-simulation-and-modeling) but may also be in [Geology and Seismic Software](https://www.g2.com/categories/geology-and-seismic) or [Oil Production Software](https://www.g2.com/categories/oil-production). ## Best Paid & Free Alternatives to Aspen HYSYS - [gPROMS](https://www.g2.com/products/gproms/reviews) - [CHEMCAD](https://www.g2.com/products/chemcad/reviews) - [Surfer](https://www.g2.com/products/surfer/reviews) - [Petrel E&P Software Platform](https://www.g2.com/products/schlumberger-petrel-e-p-software-platform/reviews) - [AFT Fathom](https://www.g2.com/products/aft-fathom/reviews) - [PIPEPHASE](https://www.g2.com/products/pipephase/reviews) - [PIPESIM Steady-State Multiphase Flow Simulator](https://www.g2.com/products/pipesim-steady-state-multiphase-flow-simulator/reviews) - [My Quorum](https://www.g2.com/products/my-quorum/reviews) - [ProSimPlus](https://www.g2.com/products/prosimplus/reviews) - [Octave Aspect Pipe Stress (CAESAR II)](https://www.g2.com/products/octave-aspect-pipe-stress-caesar-ii/reviews) ## Top 10 Alternatives to Aspen HYSYS Recently Reviewed By G2 Community Browse options below. Based on reviewer data, you can see how Aspen HYSYS stacks up to the competition, check reviews from current & previous users in industries like Chemicals, Utilities, and Design, and find the best product for your business. ### 1. [gPROMS](https://www.g2.com/products/gproms/reviews) By Process System Enterprise **Average Rating:** 4.3/5 **Total Reviews:** 25 gPROMS has support for multiscale modeling, custom modeling, a full process flowsheet and many more benefits. Categories in common with Aspen HYSYS: [Oil and Gas Simulation and Modeling](https://www.g2.com/categories/oil-and-gas-simulation-and-modeling) **Compare:** [Aspen HYSYS vs gPROMS](https://www.g2.com/compare/aspen-hysys-vs-gproms) **Compare gPROMS with other alternatives:** - [gPROMS vs CHEMCAD](https://www.g2.com/compare/chemcad-vs-gproms) - [gPROMS vs Surfer](https://www.g2.com/compare/surfer-vs-gproms) - [gPROMS vs Petrel E&P Software Platform](https://www.g2.com/compare/schlumberger-petrel-e-p-software-platform-vs-gproms) - [gPROMS vs AFT Fathom](https://www.g2.com/compare/aft-fathom-vs-gproms) - [gPROMS vs PIPEPHASE](https://www.g2.com/compare/pipephase-vs-gproms) - [gPROMS vs PIPESIM Steady-State Multiphase Flow Simulator](https://www.g2.com/compare/pipesim-steady-state-multiphase-flow-simulator-vs-gproms) - [gPROMS vs My Quorum](https://www.g2.com/compare/my-quorum-vs-gproms) - [gPROMS vs ProSimPlus](https://www.g2.com/compare/prosimplus-vs-gproms) - [gPROMS vs Octave Aspect Pipe Stress (CAESAR II)](https://www.g2.com/compare/octave-aspect-pipe-stress-caesar-ii-vs-gproms) ### 2. [CHEMCAD](https://www.g2.com/products/chemcad/reviews) By Ingenious **Average Rating:** 4.0/5 **Total Reviews:** 10 CHEMCAD is an integrated suite of intuitive chemical process engineering software. It has the power and tremendous range of capabilities to meet an engineer's chemical process simulation needs, from day-to-day challenges to large, multifaceted projects. Categories in common with Aspen HYSYS: [Oil and Gas Simulation and Modeling](https://www.g2.com/categories/oil-and-gas-simulation-and-modeling) **Compare:** [Aspen HYSYS vs CHEMCAD](https://www.g2.com/compare/aspen-hysys-vs-chemcad) **Compare CHEMCAD with other alternatives:** - [CHEMCAD vs gPROMS](https://www.g2.com/compare/chemcad-vs-gproms) - [CHEMCAD vs Surfer](https://www.g2.com/compare/chemcad-vs-surfer) - [CHEMCAD vs Petrel E&P Software Platform](https://www.g2.com/compare/chemcad-vs-schlumberger-petrel-e-p-software-platform) - [CHEMCAD vs AFT Fathom](https://www.g2.com/compare/aft-fathom-vs-chemcad) - [CHEMCAD vs PIPEPHASE](https://www.g2.com/compare/chemcad-vs-pipephase) - [CHEMCAD vs PIPESIM Steady-State Multiphase Flow Simulator](https://www.g2.com/compare/chemcad-vs-pipesim-steady-state-multiphase-flow-simulator) - [CHEMCAD vs My Quorum](https://www.g2.com/compare/chemcad-vs-my-quorum) - [CHEMCAD vs ProSimPlus](https://www.g2.com/compare/chemcad-vs-prosimplus) - [CHEMCAD vs Octave Aspect Pipe Stress (CAESAR II)](https://www.g2.com/compare/chemcad-vs-octave-aspect-pipe-stress-caesar-ii) ### 3. [Surfer](https://www.g2.com/products/surfer/reviews) By Golden Software **Average Rating:** 4.6/5 **Total Reviews:** 126 Surfer is a full-function 3D visualization, contouring and surface modeling package used for terrain modeling, bathymetric modeling, landscape visualization, surface analysis, and more. Reviewers say compared to Aspen HYSYS, Surfer is: - Easier to admin - Easier to set up - Easier to do business with Categories in common with Aspen HYSYS: [Oil and Gas Simulation and Modeling](https://www.g2.com/categories/oil-and-gas-simulation-and-modeling) **Compare:** [Aspen HYSYS vs Surfer](https://www.g2.com/compare/aspen-hysys-vs-surfer) **Compare Surfer with other alternatives:** - [Surfer vs gPROMS](https://www.g2.com/compare/surfer-vs-gproms) - [Surfer vs CHEMCAD](https://www.g2.com/compare/chemcad-vs-surfer) - [Surfer vs Petrel E&P Software Platform](https://www.g2.com/compare/schlumberger-petrel-e-p-software-platform-vs-surfer) - [Surfer vs AFT Fathom](https://www.g2.com/compare/aft-fathom-vs-surfer) - [Surfer vs PIPEPHASE](https://www.g2.com/compare/pipephase-vs-surfer) - [Surfer vs PIPESIM Steady-State Multiphase Flow Simulator](https://www.g2.com/compare/pipesim-steady-state-multiphase-flow-simulator-vs-surfer) - [Surfer vs My Quorum](https://www.g2.com/compare/my-quorum-vs-surfer) - [Surfer vs ProSimPlus](https://www.g2.com/compare/prosimplus-vs-surfer) - [Surfer vs Octave Aspect Pipe Stress (CAESAR II)](https://www.g2.com/compare/octave-aspect-pipe-stress-caesar-ii-vs-surfer) ### 4. [Petrel E&P Software Platform](https://www.g2.com/products/schlumberger-petrel-e-p-software-platform/reviews) By SLB **Average Rating:** 4.7/5 **Total Reviews:** 17 The Petrel E&P software platform brings disciplines together with best-in-class applied science in an unparalleled productivity environment. This shared earth approach enables companies to standardize workflows from exploration to production—and make more informed decisions with a clear understanding of both opportunities and risks. Reviewers say compared to Aspen HYSYS, Petrel E&P Software Platform is: - More expensive - Better at meeting requirements - Better at support Categories in common with Aspen HYSYS: [Oil and Gas Simulation and Modeling](https://www.g2.com/categories/oil-and-gas-simulation-and-modeling) **Compare:** [Aspen HYSYS vs Petrel E&P Software Platform](https://www.g2.com/compare/aspen-hysys-vs-schlumberger-petrel-e-p-software-platform) **Compare Petrel E&P Software Platform with other alternatives:** - [Petrel E&P Software Platform vs gPROMS](https://www.g2.com/compare/schlumberger-petrel-e-p-software-platform-vs-gproms) - [Petrel E&P Software Platform vs CHEMCAD](https://www.g2.com/compare/chemcad-vs-schlumberger-petrel-e-p-software-platform) - [Petrel E&P Software Platform vs Surfer](https://www.g2.com/compare/schlumberger-petrel-e-p-software-platform-vs-surfer) - [Petrel E&P Software Platform vs AFT Fathom](https://www.g2.com/compare/aft-fathom-vs-schlumberger-petrel-e-p-software-platform) - [Petrel E&P Software Platform vs PIPEPHASE](https://www.g2.com/compare/pipephase-vs-schlumberger-petrel-e-p-software-platform) - [Petrel E&P Software Platform vs PIPESIM Steady-State Multiphase Flow Simulator](https://www.g2.com/compare/pipesim-steady-state-multiphase-flow-simulator-vs-schlumberger-petrel-e-p-software-platform) - [Petrel E&P Software Platform vs My Quorum](https://www.g2.com/compare/my-quorum-vs-schlumberger-petrel-e-p-software-platform) - [Petrel E&P Software Platform vs ProSimPlus](https://www.g2.com/compare/schlumberger-petrel-e-p-software-platform-vs-prosimplus) - [Petrel E&P Software Platform vs Octave Aspect Pipe Stress (CAESAR II)](https://www.g2.com/compare/octave-aspect-pipe-stress-caesar-ii-vs-schlumberger-petrel-e-p-software-platform) ### 5. [AFT Fathom](https://www.g2.com/products/aft-fathom/reviews) By Datacor **Average Rating:** 4.6/5 **Total Reviews:** 16 AFT Fathom is fluid dynamic simulation software for engineers, used to calculate pressure drop and pipe flow distribution in liquid and low-velocity gas piping and ducting systems. Reviewers say compared to Aspen HYSYS, AFT Fathom is: - More expensive - More usable Categories in common with Aspen HYSYS: [Oil and Gas Simulation and Modeling](https://www.g2.com/categories/oil-and-gas-simulation-and-modeling) **Compare:** [Aspen HYSYS vs AFT Fathom](https://www.g2.com/compare/aft-fathom-vs-aspen-hysys) **Compare AFT Fathom with other alternatives:** - [AFT Fathom vs gPROMS](https://www.g2.com/compare/aft-fathom-vs-gproms) - [AFT Fathom vs CHEMCAD](https://www.g2.com/compare/aft-fathom-vs-chemcad) - [AFT Fathom vs Surfer](https://www.g2.com/compare/aft-fathom-vs-surfer) - [AFT Fathom vs Petrel E&P Software Platform](https://www.g2.com/compare/aft-fathom-vs-schlumberger-petrel-e-p-software-platform) - [AFT Fathom vs PIPEPHASE](https://www.g2.com/compare/aft-fathom-vs-pipephase) - [AFT Fathom vs PIPESIM Steady-State Multiphase Flow Simulator](https://www.g2.com/compare/aft-fathom-vs-pipesim-steady-state-multiphase-flow-simulator) - [AFT Fathom vs My Quorum](https://www.g2.com/compare/aft-fathom-vs-my-quorum) - [AFT Fathom vs ProSimPlus](https://www.g2.com/compare/aft-fathom-vs-prosimplus) - [AFT Fathom vs Octave Aspect Pipe Stress (CAESAR II)](https://www.g2.com/compare/aft-fathom-vs-octave-aspect-pipe-stress-caesar-ii) ### 6. [PIPEPHASE](https://www.g2.com/products/pipephase/reviews) By AVEVA **Average Rating:** 4.7/5 **Total Reviews:** 7 PIPEPHASE is a steady-state, multiphase fluid flow simulation solution for rigorous modeling of gathering networks and pipeline systems. This solution can model applications ranging from single well sensitivity analyses of key parameters to a multi-year planning study for an entire production field. PIPEPHASE improves profitability and performance in companies across the globe by using proven solution algorithms, modern production methods and software analysis techniques to create a robust and efficient oil field design and planning tool. Categories in common with Aspen HYSYS: [Oil and Gas Simulation and Modeling](https://www.g2.com/categories/oil-and-gas-simulation-and-modeling) **Compare:** [Aspen HYSYS vs PIPEPHASE](https://www.g2.com/compare/aspen-hysys-vs-pipephase) **Compare PIPEPHASE with other alternatives:** - [PIPEPHASE vs gPROMS](https://www.g2.com/compare/pipephase-vs-gproms) - [PIPEPHASE vs CHEMCAD](https://www.g2.com/compare/chemcad-vs-pipephase) - [PIPEPHASE vs Surfer](https://www.g2.com/compare/pipephase-vs-surfer) - [PIPEPHASE vs Petrel E&P Software Platform](https://www.g2.com/compare/pipephase-vs-schlumberger-petrel-e-p-software-platform) - [PIPEPHASE vs AFT Fathom](https://www.g2.com/compare/aft-fathom-vs-pipephase) - [PIPEPHASE vs PIPESIM Steady-State Multiphase Flow Simulator](https://www.g2.com/compare/pipephase-vs-pipesim-steady-state-multiphase-flow-simulator) - [PIPEPHASE vs My Quorum](https://www.g2.com/compare/my-quorum-vs-pipephase) - [PIPEPHASE vs ProSimPlus](https://www.g2.com/compare/pipephase-vs-prosimplus) - [PIPEPHASE vs Octave Aspect Pipe Stress (CAESAR II)](https://www.g2.com/compare/octave-aspect-pipe-stress-caesar-ii-vs-pipephase) ### 7. [PIPESIM Steady-State Multiphase Flow Simulator](https://www.g2.com/products/pipesim-steady-state-multiphase-flow-simulator/reviews) By SLB **Average Rating:** 4.5/5 **Total Reviews:** 1 The new generation in multiphase flow simulation to overcome fluid flow challenges and optimize production. Categories in common with Aspen HYSYS: [Oil and Gas Simulation and Modeling](https://www.g2.com/categories/oil-and-gas-simulation-and-modeling) **Compare:** [Aspen HYSYS vs PIPESIM Steady-State Multiphase Flow Simulator](https://www.g2.com/compare/aspen-hysys-vs-pipesim-steady-state-multiphase-flow-simulator) **Compare PIPESIM Steady-State Multiphase Flow Simulator with other alternatives:** - [PIPESIM Steady-State Multiphase Flow Simulator vs gPROMS](https://www.g2.com/compare/pipesim-steady-state-multiphase-flow-simulator-vs-gproms) - [PIPESIM Steady-State Multiphase Flow Simulator vs CHEMCAD](https://www.g2.com/compare/chemcad-vs-pipesim-steady-state-multiphase-flow-simulator) - [PIPESIM Steady-State Multiphase Flow Simulator vs Surfer](https://www.g2.com/compare/pipesim-steady-state-multiphase-flow-simulator-vs-surfer) - [PIPESIM Steady-State Multiphase Flow Simulator vs Petrel E&P Software Platform](https://www.g2.com/compare/pipesim-steady-state-multiphase-flow-simulator-vs-schlumberger-petrel-e-p-software-platform) - [PIPESIM Steady-State Multiphase Flow Simulator vs AFT Fathom](https://www.g2.com/compare/aft-fathom-vs-pipesim-steady-state-multiphase-flow-simulator) - [PIPESIM Steady-State Multiphase Flow Simulator vs PIPEPHASE](https://www.g2.com/compare/pipephase-vs-pipesim-steady-state-multiphase-flow-simulator) - [PIPESIM Steady-State Multiphase Flow Simulator vs My Quorum](https://www.g2.com/compare/my-quorum-vs-pipesim-steady-state-multiphase-flow-simulator) - [PIPESIM Steady-State Multiphase Flow Simulator vs ProSimPlus](https://www.g2.com/compare/pipesim-steady-state-multiphase-flow-simulator-vs-prosimplus) - [PIPESIM Steady-State Multiphase Flow Simulator vs Octave Aspect Pipe Stress (CAESAR II)](https://www.g2.com/compare/octave-aspect-pipe-stress-caesar-ii-vs-pipesim-steady-state-multiphase-flow-simulator) ### 8. [My Quorum](https://www.g2.com/products/my-quorum/reviews) By Quorum Software **Average Rating:** 3.9/5 **Total Reviews:** 8 Drive workforce productivity with a comprehensive enterprise-wide solution for your upstream and midstream business. Reviewers say compared to Aspen HYSYS, My Quorum is: - More usable - Better at support Categories in common with Aspen HYSYS: [Oil and Gas Simulation and Modeling](https://www.g2.com/categories/oil-and-gas-simulation-and-modeling) **Compare:** [Aspen HYSYS vs My Quorum](https://www.g2.com/compare/aspen-hysys-vs-my-quorum) **Compare My Quorum with other alternatives:** - [My Quorum vs gPROMS](https://www.g2.com/compare/my-quorum-vs-gproms) - [My Quorum vs CHEMCAD](https://www.g2.com/compare/chemcad-vs-my-quorum) - [My Quorum vs Surfer](https://www.g2.com/compare/my-quorum-vs-surfer) - [My Quorum vs Petrel E&P Software Platform](https://www.g2.com/compare/my-quorum-vs-schlumberger-petrel-e-p-software-platform) - [My Quorum vs AFT Fathom](https://www.g2.com/compare/aft-fathom-vs-my-quorum) - [My Quorum vs PIPEPHASE](https://www.g2.com/compare/my-quorum-vs-pipephase) - [My Quorum vs PIPESIM Steady-State Multiphase Flow Simulator](https://www.g2.com/compare/my-quorum-vs-pipesim-steady-state-multiphase-flow-simulator) - [My Quorum vs ProSimPlus](https://www.g2.com/compare/my-quorum-vs-prosimplus) - [My Quorum vs Octave Aspect Pipe Stress (CAESAR II)](https://www.g2.com/compare/my-quorum-vs-octave-aspect-pipe-stress-caesar-ii) ### 9. [ProSimPlus](https://www.g2.com/products/prosimplus/reviews) By ProSim **Average Rating:** 3.0/5 **Total Reviews:** 1 ProSimPlus is a process engineering software that performs mass and energy balance calculations the design and operation of existing plants for managed optimization, units troubleshooting, and more. Categories in common with Aspen HYSYS: [Oil and Gas Simulation and Modeling](https://www.g2.com/categories/oil-and-gas-simulation-and-modeling) **Compare:** [Aspen HYSYS vs ProSimPlus](https://www.g2.com/compare/aspen-hysys-vs-prosimplus) **Compare ProSimPlus with other alternatives:** - [ProSimPlus vs gPROMS](https://www.g2.com/compare/prosimplus-vs-gproms) - [ProSimPlus vs CHEMCAD](https://www.g2.com/compare/chemcad-vs-prosimplus) - [ProSimPlus vs Surfer](https://www.g2.com/compare/prosimplus-vs-surfer) - [ProSimPlus vs Petrel E&P Software Platform](https://www.g2.com/compare/schlumberger-petrel-e-p-software-platform-vs-prosimplus) - [ProSimPlus vs AFT Fathom](https://www.g2.com/compare/aft-fathom-vs-prosimplus) - [ProSimPlus vs PIPEPHASE](https://www.g2.com/compare/pipephase-vs-prosimplus) - [ProSimPlus vs PIPESIM Steady-State Multiphase Flow Simulator](https://www.g2.com/compare/pipesim-steady-state-multiphase-flow-simulator-vs-prosimplus) - [ProSimPlus vs My Quorum](https://www.g2.com/compare/my-quorum-vs-prosimplus) - [ProSimPlus vs Octave Aspect Pipe Stress (CAESAR II)](https://www.g2.com/compare/octave-aspect-pipe-stress-caesar-ii-vs-prosimplus) ### 10. [Octave Aspect Pipe Stress (CAESAR II)](https://www.g2.com/products/octave-aspect-pipe-stress-caesar-ii/reviews) By Octave **Average Rating:** 4.4/5 **Total Reviews:** 30 CAESAR II is a complete solution that enables quick and accurate analysis of piping systems subjected to a wide variety of loads, taking into account weight, pressure, thermal, seismic and other static and dynamic conditions, based on user-defined variables and accepted industry guidelines. Reviewers say compared to Aspen HYSYS, Octave Aspect Pipe Stress (CAESAR II) is: - More usable - Easier to set up Categories in common with Aspen HYSYS: [Oil and Gas Simulation and Modeling](https://www.g2.com/categories/oil-and-gas-simulation-and-modeling) **Compare:** [Aspen HYSYS vs Octave Aspect Pipe Stress (CAESAR II)](https://www.g2.com/compare/aspen-hysys-vs-octave-aspect-pipe-stress-caesar-ii) **Compare Octave Aspect Pipe Stress (CAESAR II) with other alternatives:** - [Octave Aspect Pipe Stress (CAESAR II) vs gPROMS](https://www.g2.com/compare/octave-aspect-pipe-stress-caesar-ii-vs-gproms) - [Octave Aspect Pipe Stress (CAESAR II) vs CHEMCAD](https://www.g2.com/compare/chemcad-vs-octave-aspect-pipe-stress-caesar-ii) - [Octave Aspect Pipe Stress (CAESAR II) vs Surfer](https://www.g2.com/compare/octave-aspect-pipe-stress-caesar-ii-vs-surfer) - [Octave Aspect Pipe Stress (CAESAR II) vs Petrel E&P Software Platform](https://www.g2.com/compare/octave-aspect-pipe-stress-caesar-ii-vs-schlumberger-petrel-e-p-software-platform) - [Octave Aspect Pipe Stress (CAESAR II) vs AFT Fathom](https://www.g2.com/compare/aft-fathom-vs-octave-aspect-pipe-stress-caesar-ii) - [Octave Aspect Pipe Stress (CAESAR II) vs PIPEPHASE](https://www.g2.com/compare/octave-aspect-pipe-stress-caesar-ii-vs-pipephase) - [Octave Aspect Pipe Stress (CAESAR II) vs PIPESIM Steady-State Multiphase Flow Simulator](https://www.g2.com/compare/octave-aspect-pipe-stress-caesar-ii-vs-pipesim-steady-state-multiphase-flow-simulator) - [Octave Aspect Pipe Stress (CAESAR II) vs My Quorum](https://www.g2.com/compare/my-quorum-vs-octave-aspect-pipe-stress-caesar-ii) - [Octave Aspect Pipe Stress (CAESAR II) vs ProSimPlus](https://www.g2.com/compare/octave-aspect-pipe-stress-caesar-ii-vs-prosimplus) ## Explore Articles - [Which recruitment marketing platform offers the highest applicant conversion rates?](https://www.g2.com/discussions/which-recruitment-marketing-platform-offers-the-highest-applicant-conversion-rates) - [Most reliable sales compensation tools for mid-sized companies](https://www.g2.com/discussions/what-are-the-most-reliable-sales-compensation-tools-for-mid-sized-companies) - [What legal billing software supports multiple currencies and rates?](https://www.g2.com/discussions/what-legal-billing-software-supports-multiple-currencies-and-rates) - [Top tools for collaborative email template design](https://www.g2.com/discussions/what-are-the-top-tools-for-collaborative-email-template-design) - [What is the most affordable WhatsApp marketing software for SMBs?](https://www.g2.com/discussions/what-is-the-most-affordable-whatsapp-marketing-software-for-smbs) - [What's the top demo automation app for tech startups](https://www.g2.com/discussions/what-s-the-top-demo-automation-app-for-tech-startups) ## Spotlight Categories - [Cloud Content Collaboration Software](https://www.g2.com/categories/cloud-content-collaboration) - [Event Management Platforms](https://www.g2.com/categories/event-management-platforms) - [Time Tracking Software](https://www.g2.com/categories/time-tracking-software)