--- title: Aspen HYSYS Reviews meta\_title: 'Aspen HYSYS Reviews 2026: Details, Pricing, & Features | G2' meta\_description: Filter 45 reviews by the users' company size, role or industry to find out how Aspen HYSYS works for a business like yours. aggregate\_rating: rating\_value: 4.5 review\_count: 45 scale: '5' date\_modified: '2026-08-09' parent\_category: name: Oil and Gas url: https://www.g2.com/categories/oil-and-gas --- # Aspen HYSYS Reviews & Product Details Maximize safety, throughput and profits by optimizing the entire site in one environment using industry-validated simulation accuracy and time-saving workflows. * * * Seller [Aspen Technology](https://www.g2.com/sellers/aspen-technology) Discussions [Aspen HYSYS Community](https://www.g2.com/products/aspen-hysys/discuss) Solution Type Best-of-Breed Show More ## Value at a Glance Averages based on real user reviews. ### Perceived Cost $$$$$ [ View More Pricing Information ](https://www.g2.com/products/aspen-hysys/pricing) ## Top-Rated Alternatives [ ![gPROMS](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "gPROMS") gPROMS 4.3/5(25) ](https://www.g2.com/products/gproms/reviews) [ ![CHEMCAD](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "CHEMCAD") CHEMCAD 4/5(10) ](https://www.g2.com/products/chemcad/reviews) [ ![Surfer](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Surfer") Surfer 4.6/5(126) ](https://www.g2.com/products/surfer/reviews) [ View All Alternatives ](https://www.g2.com/products/aspen-hysys/competitors/alternatives) ## User Insights Average based on 45 real user reviews. Perceived Cost $$$$$ [Log in to unlock pricing and user insights](/login) ![Verified User in Oil & Energy](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Oil & Energy") UO Verified User in Oil & Energy Enterprise (\> 1000 emp.) 12/5/2019 "Hysys Review" 4/5 What do you like best about Aspen HYSYS? User interface is intuitive for basic simulations. Blowdown and depressuring utility is extremely useful. Review collected by and hosted on G2.com. What do you dislike about Aspen HYSYS? Dynamics is very hard to use and not intuitive - resources for basic simulation set-up would be useful. Review collected by and hosted on G2.com. What problems is Aspen HYSYS solving and how is that benefiting you? Using hysys for depressuring calculations to ensure our site meets API521 standards. Review collected by and hosted on G2.com. Show More Current UserValidated ReviewerIncentivizedSource: G2 invite ![Verified User in Design](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Design") ID Verified User in Design Small-Business (50 or fewer emp.) 12/4/2019 "I had simulated Distillation process , process simulation." 4/5 What do you like best about Aspen HYSYS? We can design process simulation so good Review collected by and hosted on G2.com. What do you dislike about Aspen HYSYS? Process design controlling the process ,simulation and optimization of process Review collected by and hosted on G2.com. What problems is Aspen HYSYS solving and how is that benefiting you? My specialization is process designing and process optimization and this program can help me so easily to solve problems. Review collected by and hosted on G2.com. Show More Current UserValidated ReviewerIncentivizedSource: G2 invite ![Verified User in Oil & Energy](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Oil & Energy") UO Verified User in Oil & Energy Mid-Market (51-1000 emp.) 11/28/2019 "Excellent engineering tool" 3.5/5 What do you like best about Aspen HYSYS? Can save you a massive amount of time and provide much higher levels of accuracy compared to doing things by hand Review collected by and hosted on G2.com. What do you dislike about Aspen HYSYS? It can sometimes fail to converge without you knowing how to resolve it Review collected by and hosted on G2.com. What problems is Aspen HYSYS solving and how is that benefiting you? Have used for a wide range of applications, flow/pressure drops, equipment design, operations validation, depressuring, physical properties Review collected by and hosted on G2.com. Show More Validated ReviewerIncentivizedSource: G2 invite ![Verified User in Biotechnology](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Biotechnology") IB Verified User in Biotechnology Mid-Market (51-1000 emp.) 11/27/2019 Business partner of the seller or seller's competitor, not included in G2 scores. "A nice software to inprove your ingenering skills" 4/5 What do you like best about Aspen HYSYS? It is a software where you can test whatever you want and see how could be the behaviour of your sistem in the reality Review collected by and hosted on G2.com. What do you dislike about Aspen HYSYS? the cahnges in the interface of the new versions. Review collected by and hosted on G2.com. What problems is Aspen HYSYS solving and how is that benefiting you? Normally I used to solve problems related to redesign equipment and see the possible response Review collected by and hosted on G2.com. Show More Validated ReviewerIncentivizedSource: G2 invite ![Verified User in Utilities](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Utilities") UU Verified User in Utilities Mid-Market (51-1000 emp.) 11/23/2019 "Review of Aspen" 4/5 What do you like best about Aspen HYSYS? I like how easy it is to create a simulation with minimal effort and the layout of it is not complicated. Review collected by and hosted on G2.com. What do you dislike about Aspen HYSYS? Sometimes it can be quite clonky when running a simulation and takes longer than expected Review collected by and hosted on G2.com. What problems is Aspen HYSYS solving and how is that benefiting you? Injecting of water solutions into oil wells to ensure it is most effective Review collected by and hosted on G2.com. Show More Validated ReviewerIncentivizedSource: G2 invite ## Questions about Aspen HYSYS? Ask real users or explore answers from the community Get practical answers, real workflows, and honest pros and cons from the G2 community or share your insights. [ Ask about Aspen HYSYS ](https://www.g2.com/products/aspen-hysys/discussions/new) GU Guest User What is Aspen HYSYS used for? 0 Upvotes 0 [ Join the conversation ](https://www.g2.com/discussions/what-is-aspen-hysys-used-for) [ View all Discussions ](https://www.g2.com/products/aspen-hysys/discuss) ##### Pricing Pricing details for this product isn’t currently available. Visit the vendor’s website to learn more. [ View More Pricing Information ](https://www.g2.com/products/aspen-hysys/pricing) Aspen HYSYS Comparisons ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/small_square/small_square_cb9c5677b024836ebfb53ae19af56f0c/gproms.png "Product Avatar Image") gPROMS 4.3/5(25) [ Compare Now ](https://www.g2.com/compare/aspen-hysys-vs-gproms) ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/small_square/small_square_4d2cd485c2a07702b7177fb260799f21/chemcad.png "Product Avatar Image") CHEMCAD 4/5(10) [ Compare Now ](https://www.g2.com/compare/aspen-hysys-vs-chemcad) ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/small_square/small_square_91ab311f30fa76587408489170d4624c/surfer.png "Product Avatar Image") Surfer 4.6/5(126) [ Compare Now ](https://www.g2.com/compare/aspen-hysys-vs-surfer) ## Work at Aspen Technology? Claim this profile to respond to reviews, update product info, and reach in-market buyers. 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