Versus

UniSim Design Suite vs Aspen HYSYS

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

LeftRight

FIG. 043

UniSim Design Suite

Honeywell · Process Simulation

A capable steady-state and dynamic simulator with a natural home in Honeywell-automated plants and operator training projects.

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

Attribute	UniSim Design Suite	Aspen HYSYS
Vendor	Honeywell	AspenTech
Category	Process Simulation	Process Simulation
Status	Active	Active
Deployment	Desktop	Desktop
Licensing	Commercial licence	Commercial licence
Standards	n/a	n/a
Strengths	Dynamics for operator training Relief and blowdown studies Honeywell control-system alignment	Steady-state and dynamics in one tool Relief and safety study coverage Largest pool of trained engineers
Considerations	Product branding has shifted over time Smaller ecosystem than the market leader Desktop-centred	Premium licensing Chemicals-heavy work may suit Aspen Plus better Cloud deployment is not its strong suit

§ 02

Popular match-ups

The two leading products in each category, ready to compare.