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Head-to-head · Chemical Software

IUCLID vs COCO Simulator

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score IUCLID #3 in Chemical Software 7.9/10 Free plan Free plan✓ 1 of 5 features Visit IUCLID
COCO Simulator #8 in Chemical Software 7.8/10 Free plan Free plan✓ 0 of 5 features Visit AmsterCHEM

IUCLID 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 scoreIUCLID · 7.9/10
  • Free planboth
  • Most featuresIUCLID · 1 of 5

IUCLID scores higher on our rubric for chemical software: 7.9 against 7.8 out of 10; our editors rank them #3 and #8.

IUCLID offers regulatory compliance; COCO Simulator doesn't. On deployment, IUCLID gives you Both where COCO Simulator offers On-premises.

IUCLID is the better fit for teams preparing chemical-substance regulatory dossiers. COCO Simulator is the better fit for budget-conscious Windows process simulators.

  • IUCLID fits best

    Teams preparing chemical-substance regulatory dossiers

  • COCO Simulator fits best

    Budget-conscious Windows process simulators

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.

Side by side

Feature IUCLID 7.9/10 Visit ↗ COCO Simulator 7.8/10 Visit ↗
At a glance
Editor score 7.9 7.8
Ranking #3 in Chemical Software #8 in Chemical Software
Best for Teams preparing chemical-substance regulatory dossiers Budget-conscious Windows process simulators
Pricing model Free Free
Starting price Not published Not published
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Self-hosted Desktop
Platforms Web, Windows, macOS, Linux Windows
Built for Small business, Mid-market, Enterprise Solo, Small business, Mid-market
Features IUCLID 1/5 · COCO Simulator 0/5
SDS management Not published —
Chemical inventory Not published —
Formulation management Not published —
Regulatory compliance ✓ (best) —
Mobile access Not published —
Specs
Deployment Both On-premises
Our review
Pros
  • Free software for recording and maintaining substance data
  • Supports dossier preparation, online validation and ECHA submissions
  • Available through cloud, desktop and server installations
  • 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
Cons
  • Focused on chemical-substance data and regulatory dossiers
  • ECHA submissions use supported ECHA services
  • Its core purpose is not process simulation
  • 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
Our verdict

IUCLID is software for recording, storing, maintaining and exchanging data on chemical substances, including information about their intrinsic and hazardous properties. Developed by the European Chemicals Agency (ECHA) and the Organisation…

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 →
  1. IUCLIDChemical Software 7.9Free plan
  2. COCO SimulatorChemical Software 7.8Free plan

Strengths and trade-offs

  • IUCLID — where it wins

    • Free software for recording and maintaining substance data
    • Supports dossier preparation, online validation and ECHA submissions
    • Available through cloud, desktop and server installations

    Where it doesn't

    • Focused on chemical-substance data and regulatory dossiers
    • ECHA submissions use supported ECHA services
    • Its core purpose is not process simulation
  • 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
  • IUCLID7.9/10 · Free plan

    Free dossier software for chemical-substance data and regulatory preparation.

    Visit IUCLIDFull verdict →
  • COCO Simulator7.8/10 · Free plan

    A free Windows simulator for steady-state flowsheets, thermodynamics, unit operations and reaction numerics.

    Visit AmsterCHEMFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update