Head-to-head · Chemical Software
DWSIM vs ChemInventory
DWSIM leads on 0 checks, ChemInventory on 3, and 3 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 featuresChemInventory · 4 of 5
DWSIM scores higher on our rubric for chemical software: 6.9 against 6.7 out of 10; our editors rank them #7 and #8.
ChemInventory offers sds management; DWSIM doesn't. ChemInventory offers chemical inventory; DWSIM doesn't. ChemInventory offers regulatory compliance; DWSIM doesn't. On deployment, ChemInventory gives you Both where DWSIM offers On-premises.
DWSIM is the better fit for teams wanting free, flexible process simulation. ChemInventory is the better fit for labs needing affordable chemical inventory.
- DWSIM fits best
Teams wanting free, flexible process simulation
- ChemInventory fits best
Labs needing affordable chemical inventory
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Side by side
| Feature | DWSIM 6.9/10 Visit ↗ | ChemInventory 6.7/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 6.9 | 6.7 |
| Ranking | #7 in Chemical Software | #8 in Chemical Software |
| Best for | Teams wanting free, flexible process simulation | Labs needing affordable chemical inventory |
| Pricing model | Free | Free plan + paid |
| Starting price | Not published | Not published |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Desktop, Mobile | Cloud, Self-hosted |
| Platforms | Windows, macOS, Linux, Android | Web |
| Support | Docs, Community | Email, Docs |
| Built for | Solo, Small business, Mid-market, Enterprise | Small business, Mid-market, Enterprise |
| Features DWSIM 1/5 · ChemInventory 4/5 | ||
| SDS management | — | ✓ (best) |
| Chemical inventory | — | ✓ (best) |
| Formulation management | — | — |
| Regulatory compliance | — | ✓ (best) |
| Mobile access | ✓ | ✓ |
| Specs | ||
| Deployment | On-premises | Both |
| 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 → |
ChemInventory is chemical inventory software for research laboratories and research groups. It manages chemical containers, locations, orders, hazard information, SDS documents, and related files. Users can search by chemical structure,… 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
ChemInventory — where it wins
- Search by structure, name, CAS number, barcode, or custom fields
- Attach SDS files, track containers, and perform barcode stocktaking
- Watchlists, regulatory reporting, order approvals, and lab sharing
Where it doesn't
- Free plan has no API access
- Paid individual plans are not named on the pricing page
- Focused on inventory rather than formulation management
- DWSIM6.9/10 · Free plan
A flexible process simulator for teams that want desktop modeling without a license fee.
Visit DWSIMFull verdict → - ChemInventory6.7/10 · Free plan · paid from $56/yr · 30-day trial
Affordable chemical inventory management with structure search, SDS files, and regulatory tools.
Visit ChemInventoryFull verdict →
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Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026
Last updated · How we research and update



