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ProMax vs Aspen HYSYS

Put any two products side by side: specification, the six criteria and the EPC Index needle.

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FIG. 070

ProMax

Bryan Research & Engineering · Process Simulation

The specialist's choice for gas treating and sulfur recovery, often run alongside a general-purpose simulator.

FIG. 003

Aspen HYSYS

AspenTech · Process Simulation

The benchmark simulator for oil and gas and refining. Its depth and the size of its user community make it the safe default for EPC process teams in hydrocarbons.

8Capability25%10
6Interoperability20%7
7Scale15%9
7Usability15%7
6Deployment10%6
6Ecosystem15%10

Attribute	ProMax	Aspen HYSYS
Vendor	Bryan Research & Engineering	AspenTech
Category	Process Simulation	Process Simulation
Status	Active	Active
Deployment	Desktop	Desktop
Licensing	Commercial licence	Commercial licence
Standards	n/a	n/a
Strengths	Gas treating and sulfur recovery depth Historian data exchange Pipeline network solver	Steady-state and dynamics in one tool Relief and safety study coverage Largest pool of trained engineers
Considerations	Narrower scope than general simulators Smaller ecosystem Desktop-centred	Premium licensing Chemicals-heavy work may suit Aspen Plus better Cloud deployment is not its strong suit

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