Overview

COMSOL Multiphysics is a desktop environment for simulating engineering, manufacturing, and scientific systems. It is best suited to engineers, scientists, and research teams that need to model several physical domains in one workflow. Its breadth is a strong fit for complex simulation work, but quotation-based licensing and separate app-deployment products make the cost and sharing model important decisions.

Key features

Model from geometry to results

Model Builder brings geometry and CAD, materials, physics or user-defined equations, meshing, studies, optimization, solvers, and visualization into one workflow. That breadth supports both single-physics and fully coupled multiphysics work across electromagnetics, structural mechanics, acoustics, fluid flow, heat transfer, and chemical reactions. Add-ons can extend the platform in combinations, while CAD links or import tools cover SOLIDWORKS, Inventor, AutoCAD, Revit, Solid Edge, CATIA, and ECAD. LiveLink products connect to MATLAB, Simulink, and Excel. These options suit teams working across established engineering tools; the number of domains and add-ons also makes license selection a consequential part of adoption.

Manage models and share applications

Model Manager provides version control, storage, search, collaboration, and user-group permissions, with local databases and remote server database connections. This gives teams a way to track model changes and govern access rather than treating simulation files as isolated desktop work. Application Builder, included with COMSOL Multiphysics, lets experts create tailored interfaces for colleagues or customers who are not simulation specialists. Sharing finished applications across design, manufacturing, operations, laboratories, and external clients can widen access to simulation, but deploying those apps requires COMSOL Server or COMSOL Compiler.

COMSOL provides a Support Center, knowledge base, documentation, downloads, and partners and consultants. Support contact requires a COMSOL Access account; technical support is included during a term license or the first 12 months of a perpetual license. COMSOL also describes data-protection safeguards, including a Data Protection Agreement and technical and organizational measures for personal-data transfers.

Pricing

There is no free plan; a free trial is available, with a 14-day trial specified for a COMSOL training course. Customers contact COMSOL to assess requirements and choose a license, and a sales representative responds within one business day. Prices are custom.

Perpetual license

Commercial and academic perpetual licenses are quoted, with license types including CPU, NSL, FNL, COMSOL Server, and academic-only CKL and ASL. Product updates and technical support are included for the first 12 months. After that, a maintenance subscription may be renewed for 20% of the then-current price for each following 12-month period. This option suits organizations that prefer a perpetual license and can budget for ongoing maintenance; the renewal cost matters for teams that need continued updates and support.

Term license

Commercial and academic term licenses are quoted, have a 12-month minimum, and include product updates and technical support for the term. The same license types are offered, including academic-only options. It fits teams seeking a defined licensing period, but the minimum term is a meaningful commitment for short projects.

Seats and deployment

License terms affect how teams can work: a CPU-locked license runs on one designated computer for one user at a time and cannot be accessed over a network or remotely. An NSL allows one named user to install on up to four computers and run on up to two simultaneously. An academic Class Kit License supports up to 30 concurrent users per class or course. These distinctions make the right license dependent on whether work is individual, shared across machines, or used in a course.

Platforms

COMSOL is delivered as desktop software for supported 64-bit Windows, macOS, and Linux systems. Version 6.4 Update 3 lists minimum requirements of 4 GB RAM and 2–25 GB of disk space, depending on licensed products and installation options. The Application Builder is supported on Windows. Offline access, data export, and 3D visuals are supported; the platform also identifies API, web, and self-hosted availability.

Who it's for

COMSOL is aimed at engineers, scientists, technical enterprises, research labs, and universities that need simulation spanning multiple physical domains or a workflow from model construction through results. Model Manager and controlled application sharing make it more compelling for teams that need versioned collaboration or want non-specialists to use simulation interfaces. It is less suited to buyers seeking a free tool, a simple fixed price, or app deployment without an additional product.

Pros and cons

Pro: Single-physics and fully coupled multiphysics modeling across several engineering and scientific domains gives broad scope within one platform.
Pro: Model Manager combines version control, search, storage, collaboration, and permissions, supporting organized team workflows.
Pro: Application Builder can make expert-created simulations usable through dedicated interfaces by non-specialists.
Con: Custom pricing requires a sales conversation, making direct budget comparisons harder.
Con: Deploying built applications requires COMSOL Server or COMSOL Compiler, beyond Application Builder itself.
Con: CPU-locked licenses prohibit network and remote access, while term licenses require at least 12 months.

Alternatives

For free options, OpenSim is a free and open-source platform, though downloading it requires a SimTK account. FeenoX is a GNU GPLv3+ open-source alternative for users comfortable with a command-line-oriented tool: it has no graphical interface and targets GNU/Linux. Kinetic.jl is another free option for API and Linux use. libCEED is free and supports API, Linux, and self-hosted use. MontePy is a free Python library with no paid plans stated. PythonicDISORT is free and supports API, Linux, macOS, and Windows. For circuit simulation with command-line or file-based input and no schematic entry, ngspice is free. SimFlow is a freemium alternative with a free plan and trial.

Browse Physics Simulation Software for more options in this category.

Verdict

Choose COMSOL Multiphysics if your engineering or research team needs a broad simulation workflow, coupled physics, and tools for managing models or presenting them through custom interfaces. Its strongest case is the reach from model-building to governed collaboration across multiple domains. Look elsewhere if free access, transparent upfront pricing, or remote use under a CPU-locked license is essential; also account for the separate product required to deploy applications.

	COMSOL Multiphysics	OpenSCM Two Layer Model
Free plan		Yes
Free trial	Yes
Paid from		Free
Platforms	api, Linux, macOS, self-hosted, Web, Windows	api
Free plan	No	Yes
Delivery mode	desktop	desktop
Lesson library	Yes	No
Authoring tools	Yes	No
3D visuals	Yes	No
Offline access	Yes	Yes
Data export	Yes
Assessment tools		No

COMSOL Multiphysics vs OpenSCM Two Layer Model

COMSOL Multiphysics

OpenSCM Two Layer Model