Softwr

CAD · head to head

ANSYS Fluent vs CloudCompare

ANSYS Fluent logo

ANSYS Fluent

CAD

Computational fluid dynamics solver for turbulence, combustion and multiphase flow

From
On request
Rated
-
Full reviewWebsite
CloudCompare logo

CloudCompare

CAD

Open source point cloud comparison and processing maintained largely by one person in their spare time

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only CloudCompare has a free tier, so it costs nothing to try first.
  • Each has a real cost: ANSYS Fluent solver seats and HPC packs are licensed separately, and the packs scale by core count, so the cost of running a large case in parallel can exceed the base licence several times over and is the line item that surprises first-time buyers.; CloudCompare the project is administered by its creator in his spare time while he holds a full-time job elsewhere, so an organisation building a monitoring programme on it depends on one person with no obligation to continue
  • They diverge on capability: ANSYS Fluent covers Turbulence model library, CloudCompare covers Cloud to cloud distance.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which ANSYS Fluent and CloudCompare actually diverge.

Attributes where ANSYS Fluent and CloudCompare differ
AttributeANSYS FluentCloudCompare
Starting priceOn requestFree
Pricing modelquoteOpen source, no licence fee
Free tierNoYes
PlatformsWindows, LinuxWindows, macOS, Linux

Identical on both: user rating (Not yet rated), category (CAD).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in ANSYS Fluent

  • Turbulence model library
  • Combustion and reacting flow
  • Multiphase flow
  • Meshing
  • HPC parallel solving
  • Fluent aero and native GPU solver
  • Ansys Workbench integration
  • User-defined functions

Only in CloudCompare

  • Cloud to cloud distance
  • Cloud to mesh distance
  • Registration
  • Segmentation and cleaning
  • Plugin architecture
  • Format support
  • Command line mode

What people use each for

The jobs each tool is most often brought in to do.

ANSYS Fluent

  • Certifying an aerospace component where the customer specification names a validated commercial CFD solvernot CloudCompare
  • Predicting thermal performance of a data centre or electronics enclosure before committing to a mechanical designnot CloudCompare
  • Combustion analysis for a gas turbine or industrial burner where detailed chemistry models are requirednot CloudCompare
  • A consultancy that must hand a client an auditable analysis in a tool the client's own engineers can reopennot CloudCompare

CloudCompare

  • A monitoring engineer comparing quarterly laser scans of a retaining wall to quantify movement without buying a proprietary deformation packagenot ANSYS Fluent
  • A heritage team registering dozens of terrestrial scans of a building into a single cloud before meshingnot ANSYS Fluent
  • A geomorphologist measuring erosion between two drone-derived surfaces of a river banknot ANSYS Fluent
  • A survey technician cleaning and subsampling a scan before delivering it to a client whose software cannot handle the full densitynot ANSYS Fluent

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

ANSYS Fluent

  • Solver seats and HPC packs are licensed separately, and the packs scale by core count, so the cost of running a large case in parallel can exceed the base licence several times over and is the line item that surprises first-time buyers.
  • Ansys does not publish any pricing, and quotes vary widely by region, industry and negotiating position, so a smaller firm has no way to know whether it is being charged fairly relative to a large account.
  • Synopsys completed its acquisition of Ansys in July 2025 and started shipping combined capabilities in 2026; packaging, bundling and account teams are changing, and buyers on multi-year agreements should expect renewal terms to be renegotiated on a different basis.
  • Getting trustworthy results demands genuine CFD expertise in meshing, turbulence model selection and convergence assessment, so the licence is useless without a specialist, and the specialist is harder to hire than the software is to buy.
  • Licences are typically served from a network licence manager, which means concurrent-use contention inside a busy simulation group; engineers queue for solver tokens, and organisations end up buying spare seats purely to avoid the queue.

CloudCompare

  • The project is administered by its creator in his spare time while he holds a full-time job elsewhere, so an organisation building a monitoring programme on it depends on one person with no obligation to continue
  • There is no commercial support contract from anyone, so a defect that blocks a deliverable is resolved by a GitHub issue and community goodwill rather than by an agreement
  • Processing is single machine and memory bound, so very large aerial lidar collections must be tiled manually and large jobs are limited by the workstation rather than scaled out
  • The interface is unforgiving and organised around the underlying data structures rather than around tasks, so competent surveyors routinely take weeks to become productive
  • Plugins vary widely in maintenance, and several useful ones originated in research projects that have since ended, so a workflow built around a specific plugin can break at the next release

Pricing, plan by plan

ANSYS Fluent

On request
  • Ansys Fluent$undefined/year
    • Annual lease or paid-up perpetual licence
    • Solver seats licensed separately from HPC parallel packs
    • HPC packs priced by core count and scale multiplicatively

CloudCompare

Free
  • CloudCompareFree
    • GNU General Public Licence
    • No licence fee and no usage limits
    • No commercial support contract exists

Which should you pick?

Choose ANSYS Fluent if

  • You need turbulence model library.
  • You work on Windows, Linux.
  • You also want combustion and reacting flow.
ANSYS Fluent review

Choose CloudCompare if

  • You need cloud to cloud distance.
  • You want to start without paying.
  • You work on Windows, macOS, Linux.
  • You also want cloud to mesh distance.
CloudCompare review

Questions people ask

Is ANSYS Fluent or CloudCompare better?
Neither clearly leads. ANSYS Fluent starts at On request and CloudCompare at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ANSYS Fluent or CloudCompare?
CloudCompare has a free tier; the other does not. Paid plans start at On request for ANSYS Fluent and Free for CloudCompare.
Does ANSYS Fluent or CloudCompare run on more platforms?
ANSYS Fluent runs on Windows, Linux. CloudCompare runs on Windows, macOS, Linux.
Can I use CloudCompare for free?
Yes. CloudCompare has a free tier, so you can try it without paying. ANSYS Fluent starts at On request.
What is ANSYS Fluent best used for?
ANSYS Fluent is most often used for certifying an aerospace component where the customer specification names a validated commercial cfd solver, predicting thermal performance of a data centre or electronics enclosure before committing to a mechanical design, combustion analysis for a gas turbine or industrial burner where detailed chemistry models are required, a consultancy that must hand a client an auditable analysis in a tool the client's own engineers can reopen. Of those, certifying an aerospace component where the customer specification names a validated commercial cfd solver and predicting thermal performance of a data centre or electronics enclosure before committing to a mechanical design are not what CloudCompare is typically brought in for.
What can ANSYS Fluent do that CloudCompare cannot?
ANSYS Fluent covers Turbulence model library, Combustion and reacting flow, Multiphase flow, Meshing. CloudCompare covers Cloud to cloud distance, Cloud to mesh distance, Registration, Segmentation and cleaning.

Answered from the vendors’ own pages

ANSYS Fluent: How much does Fluent cost?

Ansys does not publish pricing. Expect an annual lease per solver seat plus separately licensed HPC packs for parallel cores, with the total for a serious capability running into six figures a year.

CloudCompare: Who maintains CloudCompare?

Daniel Girardeau-Montaut, its creator, administers it in his own time alongside a full-time engineering job, with contributions from a community of users and research groups.

ANSYS Fluent: Is Fluent still an Ansys product?

Yes, but Ansys is now part of Synopsys following the acquisition that completed in July 2025, and the two portfolios are being combined.

CloudCompare: Can I buy support?

No. There is no vendor and no commercial support offering. Some geospatial consultancies know it well and can be hired, but they are not contracted to support the software itself.

ANSYS Fluent: Can OpenFOAM do the same job?

Numerically it can cover a lot of the same physics at no licence cost, but it lacks the meshing workflow, support and the validation pedigree that certification and customer specifications often require.

CloudCompare: Is it suitable for commercial deliverables?

It is widely used for them. The licence permits it and the algorithms are well regarded. The risk is operational, not legal: no support and no roadmap commitment.

ANSYS Fluent: Is there a free version?

There is a student edition with cell count limits, suitable for learning but not for production work.

CloudCompare: Can it handle a full aerial lidar survey?

Not in one piece. It is memory bound on a single machine, so large collections need tiling or a dedicated lidar pipeline such as PDAL.

Share

Related pages

More on ANSYS Fluent

More on CloudCompare

Keep looking

Other head to heads