ExtendSim
ExtendSim: A deep operations simulation platform for advanced modelers who need analytical range. Ranked #23 of 26 in Business Simulation Software by our editors (6.8/10); pricing: 30-day trial; best for advanced operations modelers.
At a glance
- Editor score6.8 / 10
- Pricing30-day trial
- Best forAdvanced operations modelers
- Free planNo
- Paid from$10,000/yr
- Scenario focusOperations
- Founded1987 · Alpharetta, Georgia, United States
- Facts checked21 Sep 2026
Where it wins
- Supports discrete-event, agent-based, continuous, reliability, and optimization models
- Connects with Excel, databases, statistical tools, APIs, and enterprise systems
- Adds scenario analysis, Monte Carlo, sensitivity analysis, and multicore runs
Where it doesn't
- Primarily a Windows desktop application outside its cloud/API deployment
- No free plan; one-time editions range from $50 to $4,995
- Focused on operations modeling rather than multiplayer or assessment workflows
Our verdict on ExtendSim
ExtendSim is a modular simulation application for modeling and analyzing business, industrial, engineering, logistics, healthcare, manufacturing, reliability, and other systems. It suits operations researchers, engineers, analysts, educators, and students who need graphical model building with reusable libraries, hierarchical submodels, databases, reporting, and custom interfaces. Its scope is broad within simulation, covering continuous, discrete-event, discrete-rate, reliability, agent-based, linear, and nonlinear approaches.
The published plans show a wide pricing ladder. ExtendSim Student costs $50 one-time and supports models of up to 75 blocks, with optimization, Scenario Manager, built-in databases, and custom blocks. ExtendSim CP Individual is $995 one-time for continuous process modeling, while DE Individual is $3,495 one-time and adds message-based discrete-event simulation plus CP capabilities. Pro Individual costs $4,995 one-time and adds discrete-rate simulation, reliability block diagramming, and advanced simulation technologies. Analysis RunTime Individual costs $495 one-time for running models without model building. Academic licenses cost $125 per station or $5,000 per server installation, and ExtendSim Cloud costs $10,000 per year for up to four concurrent instances. A 30-day free trial is available.
Its strongest fit is an organization that needs more than basic process diagrams: Scenario Manager, Analysis Manager, optimization, Monte Carlo, statistical analysis, multicore execution, and reliability reporting support detailed operational studies. Connectivity includes Excel, JMP, Minitab, Oracle, MySQL, Microsoft Access, SQL Server, ODBC, ADO, COM/ActiveX, FTP, and XML, while the HTTP API supports remote model loading, scenario runs, and result retrieval. The tradeoff is a primarily Windows desktop deployment, with web and API access concentrated in ExtendSim Cloud. Choose ExtendSim for advanced, customizable operations models; choose another category fit for multiplayer learning or assessment-led use cases.
Your product? Our editors can test ExtendSim in depth and publish a review, labelled as paid · from $149/mo →
ExtendSim pricing
All 9 ExtendSim plans and prices →
ExtendSim fact sheet
| Free plan | No |
|---|---|
| Paid from | $10,000/yr |
| Scenario focus | Operations |
| Learner capacity | 1 learners |
| Multiplayer mode | Not verified |
| Instructor dashboard | Not verified |
| Scenario customization | Advanced |
| Assessment tools | Not verified |
| Deployment | Hybrid |
| Free trial | 30 days |
| Deployment | Cloud, Self-hosted, Desktop |
| Platforms | Web, Windows |
| Support | Tickets, Docs, Community |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 12 integrations: Excel, JMP, Minitab, Oracle, MySQL, Microsoft Access … |
| Pricing | 30-day trial (source) |
| Website | extendsim.com |
| Facts checked | 21 Sep 2026 |
ExtendSim integrations
ExtendSim lists 12 integrations on its own site.
- Excel
- JMP
- Minitab
- Oracle
- MySQL
- Microsoft Access
- SQL Server
- ODBC
- ADO
- COM/ActiveX
- FTP
- XML
Alternatives to ExtendSim
- Capsim Business SimulationsA mature, broad simulation suite for teaching connected business decisions.9.4
- Cesim Business SimulationsA highly customizable simulation suite for instructors who need live analytics and assessment tools.9.2
- GoVentureA broad simulation suite with a free option and low-cost six-month student plans.8.9
See all ExtendSim alternatives →
Also Ranked In
ExtendSim is ranked in 2 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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