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CAD · head to head

Tinkercad vs Zoo

Tinkercad logo

Tinkercad

CAD

Free browser-based 3D design, electronics, and coding tool by Autodesk

From
Free
Rated
-
Full reviewWebsite
Zoo logo

Zoo

CAD

Cloud CAD with a scripting language and a geometry engine exposed as an API

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Tinkercad limited to simple block-based modeling, unsuitable for complex or precise mechanical CAD work.; Zoo the geometry engine runs entirely in Zoo's cloud and there is no offline mode, so an aircraft, a customer site with no guest wifi or an outage stops modelling work completely.
  • They diverge on capability: Tinkercad covers Block-Based 3D Modeling, Zoo covers KCL scripting.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Tinkercad and Zoo actually diverge.

Attributes where Tinkercad and Zoo differ
AttributeTinkercadZoo
Pricing modelfreePer user per month
PlatformswebWeb, Windows, macOS, Linux, API

Identical on both: starting price (Free), free tier (Yes), 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 Tinkercad

  • Block-Based 3D Modeling
  • Circuit Simulator
  • Codeblocks Programming
  • 3D Printing Export
  • Classroom Management

Only in Zoo

  • KCL scripting
  • Design Studio
  • Design API
  • Zookeeper agent
  • Format conversion
  • Open source client

What people use each for

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

Tinkercad

  • Teaching introductory 3D design in classroomsnot Zoo
  • Simulating basic electronic circuitsnot Zoo
  • Designing simple objects for 3D printingnot Zoo
  • Introducing kids to block-based codingnot Zoo

Zoo

  • A hardware startup that wants part models reviewed in pull requests alongside firmwarenot Tinkercad
  • A software team generating thousands of parametric part variants programmatically rather than by handnot Tinkercad
  • A SaaS product that needs to render and convert customer CAD files without licensing a geometry kernelnot Tinkercad
  • An engineer who models occasional brackets and enclosures and does not want a four figure annual seatnot Tinkercad

Where each one falls short

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

Tinkercad

  • Limited to simple block-based modeling, unsuitable for complex or precise mechanical CAD work.
  • Lacks advanced surfacing, parametric assembly, and simulation tools found in professional CAD software like Fusion 360.
  • Requires an internet connection since it runs entirely in the browser with no offline desktop app.
  • Export and rendering options are basic compared to dedicated 3D modeling or CAD applications.

Zoo

  • The geometry engine runs entirely in Zoo's cloud and there is no offline mode, so an aircraft, a customer site with no guest wifi or an outage stops modelling work completely.
  • STEP and SLDPRT import are still labelled experimental, which means the most common way of receiving a supplier or customer model is the least reliable path into the tool.
  • Drawing production, GD&T and tolerance annotation are far behind SolidWorks, Creo and NX, so most users still need a second package to release a manufacturing drawing.
  • Zookeeper is billed in reasoning minutes rather than per seat, so a team cannot forecast next month's bill from headcount the way it can with conventional CAD subscriptions.
  • The open source label applies only to the Design Studio client; the kernel that does the modelling is closed and hosted, so forking the repository does not give you a product you can run yourself.

Pricing, plan by plan

Tinkercad

Free
  • Free$undefined/mo
    • 3D design
    • Circuits simulation
    • Codeblocks

Zoo

Free
  • FreeFree
    • Design Studio access
    • About 20 minutes of Zookeeper reasoning per month
    • Around $10 of API calls included
  • Plus$20/month
    • Roughly 400 Zookeeper minutes per month
    • Pay as you go beyond the allowance
    • Design Studio and API access
  • Pro$99/month
    • Unlimited Zookeeper reasoning
    • Higher API allowance
    • Priority support

Which should you pick?

Choose Tinkercad if

  • You need block-based 3d modeling.
  • You want to start without paying.
  • You work on web.
  • You also want circuit simulator.
Tinkercad review

Choose Zoo if

  • You need kcl scripting.
  • You want to start without paying.
  • You work on Web, Windows, macOS, Linux, API.
  • You also want design studio.
Zoo review

Questions people ask

Is Tinkercad or Zoo better?
Neither clearly leads. Tinkercad starts at Free and Zoo at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Tinkercad or Zoo?
Tinkercad starts at Free and Zoo at Free.
Does Tinkercad or Zoo run on more platforms?
Tinkercad runs on web. Zoo runs on Web, Windows, macOS, Linux, API.
Can I use Tinkercad for free?
Both have a free tier, so you can try either at no cost before committing.
What is Tinkercad best used for?
Tinkercad is most often used for teaching introductory 3d design in classrooms, simulating basic electronic circuits, designing simple objects for 3d printing, introducing kids to block-based coding. Of those, teaching introductory 3d design in classrooms and simulating basic electronic circuits are not what Zoo is typically brought in for.
What can Tinkercad do that Zoo cannot?
Tinkercad covers Block-Based 3D Modeling, Circuit Simulator, Codeblocks Programming, 3D Printing Export. Zoo covers KCL scripting, Design Studio, Design API, Zookeeper agent.

Answered from the vendors’ own pages

Zoo: Is Zoo the same company as KittyCAD?

Yes. KittyCAD renamed itself Zoo; the GitHub organisation is still KittyCAD and the scripting language KCL keeps the old initials.

Zoo: Can I use Zoo without an internet connection?

No. The geometry engine is a cloud service, so Design Studio needs a live connection to model anything.

Zoo: Is Design Studio free?

There is a genuine free tier with a small monthly allowance of AI reasoning and API calls. Paid plans start at $20 per month.

Zoo: Can I replace SolidWorks with Zoo?

Not for drawing release, large assemblies or GD&T. Teams typically use Zoo for programmatic part generation and keep an established package for production documentation.

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