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Head-to-head · Chemical Software

BIOVIA COSMOtherm (COSMO-RS) vs IUCLID

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
BIOVIA COSMOtherm (COSMO-RS) #2 in Chemical Software 7.9/10 Pricing on request ✓ 0 of 5 features Visit BIOVIA
IUCLID #3 in Chemical Software 7.9/10 Free plan Free plan✓ 1 of 5 features Visit IUCLID

BIOVIA COSMOtherm (COSMO-RS) leads on 0 checks, IUCLID on 2, and 4 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

  • Free planonly IUCLID
  • Most featuresIUCLID · 1 of 5

BIOVIA COSMOtherm (COSMO-RS) and IUCLID score identically on our rubric (7.9 out of 10) for chemical software; BIOVIA COSMOtherm (COSMO-RS) sits at #2 and IUCLID at #3 in our editorial ranking, so the choice comes down to fit.

IUCLID offers free plan; BIOVIA COSMOtherm (COSMO-RS) doesn't. IUCLID offers regulatory compliance; BIOVIA COSMOtherm (COSMO-RS) doesn't. On deployment, IUCLID gives you Both where BIOVIA COSMOtherm (COSMO-RS) offers On-premises.

BIOVIA COSMOtherm (COSMO-RS) is the better fit for researchers predicting mixture thermodynamics. IUCLID is the better fit for teams preparing chemical-substance regulatory dossiers.

  • BIOVIA COSMOtherm (COSMO-RS) fits best

    Researchers predicting mixture thermodynamics

  • IUCLID fits best

    Teams preparing chemical-substance regulatory dossiers

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Side by side

Feature BIOVIA COSMOtherm (COSMO-RS) 7.9/10 Visit ↗ IUCLID 7.9/10 Visit ↗
At a glance
Editor score 7.9 7.9
Ranking #2 in Chemical Software #3 in Chemical Software
Best for Researchers predicting mixture thermodynamics Teams preparing chemical-substance regulatory dossiers
Pricing model Paid Free
Starting price Not published Not published
Free plan — ✓ (best)
Free trial — —
Deployment Desktop Cloud, Self-hosted
Platforms Windows Web, Windows, macOS, Linux
Built for Mid-market, Enterprise Small business, Mid-market, Enterprise
Features BIOVIA COSMOtherm (COSMO-RS) 0/5 · IUCLID 1/5
SDS management — Not published
Chemical inventory — Not published
Formulation management — Not published
Regulatory compliance — ✓ (best)
Mobile access — Not published
Specs
Deployment On-premises Both
Our review
Pros
  • Predicts solubility across liquids, solids and gases
  • Covers phase equilibria, partitioning, vapor pressure and pKa
  • Offers graphical workflows and command-line batch processing
  • Free software for recording and maintaining substance data
  • Supports dossier preparation, online validation and ECHA submissions
  • Available through cloud, desktop and server installations
Cons
  • Windows desktop deployment limits platform flexibility
  • Contact-sales pricing makes cost assessment less direct
  • Specialized thermodynamics scope is narrower than process simulation
  • Focused on chemical-substance data and regulatory dossiers
  • ECHA submissions use supported ECHA services
  • Its core purpose is not process simulation
Our verdict

BIOVIA COSMOtherm applies COSMO-RS to predict thermodynamic properties of molecules in pure and mixed liquids. Its intended audience includes researchers and teams in chemistry, chemical engineering, formulation, drug development,…

Read the review →

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 →
  1. BIOVIA COSMOtherm (COSMO-RS)Chemical Software 7.9Pricing on request
  2. IUCLIDChemical Software 7.9Free plan

Strengths and trade-offs

  • BIOVIA COSMOtherm (COSMO-RS) — where it wins

    • Predicts solubility across liquids, solids and gases
    • Covers phase equilibria, partitioning, vapor pressure and pKa
    • Offers graphical workflows and command-line batch processing

    Where it doesn't

    • Windows desktop deployment limits platform flexibility
    • Contact-sales pricing makes cost assessment less direct
    • Specialized thermodynamics scope is narrower than process simulation
  • 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
  • BIOVIA COSMOtherm (COSMO-RS)7.9/10 · Pricing on request

    A specialized COSMO-RS tool for predicting molecular properties in pure and mixed liquids.

    Visit BIOVIAFull verdict →
  • IUCLID7.9/10 · Free plan

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

    Visit IUCLIDFull verdict →

More comparisons

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update