Head-to-head · Chemical Software
DWSIM vs COCO Simulator
DWSIM leads on 1 check, COCO Simulator on 0, and 5 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreDWSIM · 6.9/10
- Free planboth
- Most featuresDWSIM · 1 of 5
DWSIM scores higher on our rubric for chemical software: 6.9 against 6.6 out of 10; our editors rank them #7 and #9.
DWSIM offers mobile access; COCO Simulator doesn't.
DWSIM is the better fit for teams wanting free, flexible process simulation. COCO Simulator is the better fit for budget-conscious Windows process simulators.
- DWSIM fits best
Teams wanting free, flexible process simulation
- COCO Simulator fits best
Budget-conscious Windows process simulators
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Side by side
| Feature | DWSIM 6.9/10 Visit ↗ | COCO Simulator 6.6/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 6.9 | 6.6 |
| Ranking | #7 in Chemical Software | #9 in Chemical Software |
| Best for | Teams wanting free, flexible process simulation | Budget-conscious Windows process simulators |
| Pricing model | Free | Free |
| Starting price | Not published | Not published |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Desktop, Mobile | Desktop |
| Platforms | Windows, macOS, Linux, Android | Windows |
| Support | Docs, Community | Community |
| Built for | Solo, Small business, Mid-market, Enterprise | Solo, Small business, Mid-market |
| Features DWSIM 1/5 · COCO Simulator 0/5 | ||
| SDS management | — | — |
| Chemical inventory | — | — |
| Formulation management | — | — |
| Regulatory compliance | — | — |
| Mobile access | ✓ (best) | — |
| Specs | ||
| Deployment | On-premises | On-premises |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | DWSIM is a free, open-source chemical process simulator for engineers, educators, and researchers who need to model process flowsheets. It combines thermodynamic property packages with unit-operation simulation, and supports both… Read the review → |
COCO Simulator is a Windows-based environment for steady-state chemical process simulation. Its COFE graphical flowsheeting environment works with TEA thermodynamic property calculations, COUSCOUS unit operations and CORN reaction… Read the review → |
Strengths and trade-offs
DWSIM — where it wins
- Models flowsheets with thermodynamic packages and unit operations
- Supports both steady-state and dynamic simulation
- Runs on Windows, macOS, Linux, and Android
Where it doesn't
- Focused on simulation, not chemical inventory or SDS management
- No built-in formulation management or regulatory compliance
- Documentation and community are the listed support channels
COCO Simulator — where it wins
- Free of charge, with voluntary donations rather than a paid plan
- Combines thermodynamic packages, compound data and reaction numerics
- Supports third-party CAPE-OPEN components in flowsheets
Where it doesn't
- Windows desktop software, with no mobile access
- Focused on process simulation, not chemical inventory or SDS management
- Community support may not suit teams needing other support channels
- DWSIM6.9/10 · Free plan
A flexible process simulator for teams that want desktop modeling without a license fee.
Visit DWSIMFull verdict → - COCO Simulator6.6/10 · Free plan
A free Windows simulator for steady-state flowsheets, thermodynamics, unit operations and reaction numerics.
Visit AmsterCHEMFull verdict →
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All chemical software comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026
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