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CAD · head to head

CloudCompare vs nTop

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
nTop logo

nTop

CAD

Implicit computational design for lattices, heat exchangers and topology-driven parts

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only CloudCompare has a free tier, so it costs nothing to try first.
  • Each has a real cost: 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; nTop nTop is a specialist tool that sits alongside mainstream CAD rather than replacing it, so you pay for an extra seat and accept a handoff between two geometry systems.
  • They diverge on capability: CloudCompare covers Cloud to cloud distance, nTop covers Implicit modelling.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which CloudCompare and nTop actually diverge.

Attributes where CloudCompare and nTop differ
AttributeCloudComparenTop
Starting priceFreeOn request
Pricing modelOpen source, no licence feequote
Free tierYesNo
PlatformsWindows, macOS, LinuxWindows, Cloud

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 CloudCompare

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

Only in nTop

  • Implicit modelling
  • Lattice and cellular structures
  • Field-driven design
  • Integrated simulation
  • Reusable workflows
  • Topology optimisation
  • CAD and AM interoperability

What people use each for

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

CloudCompare

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

nTop

  • Designing a variable-density lattice bracket where mass must drop without losing stiffness in the loaded regionsnot CloudCompare
  • Generating a heat exchanger with thousands of internal channels that a conventional CAD kernel cannot representnot CloudCompare
  • Producing patient-specific implant geometry with porous surfaces at scale rather than one at a timenot CloudCompare
  • Automating a family of parts as a reusable design workflow that reruns when the load case changesnot CloudCompare

Where each one falls short

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

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

nTop

  • nTop is a specialist tool that sits alongside mainstream CAD rather than replacing it, so you pay for an extra seat and accept a handoff between two geometry systems.
  • Implicit modelling requires a different way of thinking from feature-based CAD, and the retraining period is long enough that unused licences are a common and expensive outcome.
  • No pricing is published and there is no free or hobbyist tier, so evaluation runs through a sales process and small teams cannot try it seriously without engaging.
  • Subscription only, with no perpetual licence, means the geometry logic you built stops being editable the day you stop paying, which is a real risk for long-lifecycle aerospace and medical programmes.
  • The output is most valuable when you have additive manufacturing capacity to make it; organisations without machines that can print the geometry end up designing parts nobody can produce.

Pricing, plan by plan

CloudCompare

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

nTop

On request
  • nTop$undefined/year
    • Annual named or floating seat subscription
    • No perpetual licence offered
    • Capability tiers quoted by use case

Which should you pick?

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

Choose nTop if

  • You need implicit modelling.
  • You work on Windows, Cloud.
  • You also want lattice and cellular structures.
nTop review

Questions people ask

Is CloudCompare or nTop better?
Neither clearly leads. CloudCompare starts at Free and nTop at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, CloudCompare or nTop?
CloudCompare has a free tier; the other does not. Paid plans start at Free for CloudCompare and On request for nTop.
Does CloudCompare or nTop run on more platforms?
CloudCompare runs on Windows, macOS, Linux. nTop runs on Windows, Cloud.
Can I use CloudCompare for free?
Yes. CloudCompare has a free tier, so you can try it without paying. nTop starts at On request.
What is CloudCompare best used for?
CloudCompare is most often used for a monitoring engineer comparing quarterly laser scans of a retaining wall to quantify movement without buying a proprietary deformation package, a heritage team registering dozens of terrestrial scans of a building into a single cloud before meshing, a geomorphologist measuring erosion between two drone-derived surfaces of a river bank, a survey technician cleaning and subsampling a scan before delivering it to a client whose software cannot handle the full density. Of those, a monitoring engineer comparing quarterly laser scans of a retaining wall to quantify movement without buying a proprietary deformation package and a heritage team registering dozens of terrestrial scans of a building into a single cloud before meshing are not what nTop is typically brought in for.
What can CloudCompare do that nTop cannot?
CloudCompare covers Cloud to cloud distance, Cloud to mesh distance, Registration, Segmentation and cleaning. nTop covers Implicit modelling, Lattice and cellular structures, Field-driven design, Integrated simulation.

Answered from the vendors’ own pages

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.

nTop: Is nTop the same company as nTopology?

Yes. nTopology rebranded to nTop. The product is the same lineage.

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.

nTop: Does it replace SolidWorks or NX?

No. It is used alongside them. Mainstream CAD handles the conventional geometry and assembly; nTop handles the lattice, field-driven and complex internal structure work.

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.

nTop: Is there a free version?

No free commercial tier is published. Access runs through a demo and sales process, with academic programmes handled separately.

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.

nTop: Can I buy a perpetual licence?

No. It is sold as an annual subscription, so budget it as recurring cost across the life of the programme.

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