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Developer Tools · head to head

GNAT Pro vs Zipkin

GNAT Pro logo

GNAT Pro

Developer Tools

Software development environments and toolchains for Ada, C/C++ and Rust

From
On request
Free plan
No
Full reviewWebsite
Zipkin logo

Zipkin

Cloud

Distributed tracing system for microservice latency

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Only Zipkin has a free tier, so it costs nothing to try first.
  • Each has a real cost: GNAT Pro no pricing published on website; requires contacting AdaCore directly for quotes; Zipkin less active development and smaller community momentum than Jaeger
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which GNAT Pro and Zipkin actually diverge.

Attributes where GNAT Pro and Zipkin differ
AttributeGNAT ProZipkin
Starting priceOn requestFree
Pricing modelquoteOpen source, no licence fee
Free tierNoYes
PlatformsWebLinux, Docker, Kubernetes, Self-hosted
CategoryDeveloper ToolsCloud

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

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 GNAT Pro

Nothing recorded that Zipkin does not also cover.

Only in Zipkin

  • Trace collection and search
  • Dependency diagram
  • Simple deployment
  • Pluggable storage

What people use each for

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

GNAT Pro

  • Building certified avionics software meeting DO-178B/C standardsnot Zipkin
  • Developing automotive embedded systems with ISO-26262 compliancenot Zipkin
  • Integrating Ada, C/C++, and Rust components in single codebasenot Zipkin
  • Managing software supply chain vulnerabilities and SBOMsnot Zipkin
  • Supporting long-lived software systems spanning decadesnot Zipkin

Zipkin

  • Adding distributed tracing quickly without standing up heavy infrastructurenot GNAT Pro
  • Java and Spring Boot estates, where instrumentation support is long-establishednot GNAT Pro
  • Small deployments where Jaeger is more than the problem requiresnot GNAT Pro

Where each one falls short

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

GNAT Pro

  • No pricing published on website; requires contacting AdaCore directly for quotes
  • Vendor indicates per-user, per-year subscription model but does not disclose specific costs

Zipkin

  • Less active development and smaller community momentum than Jaeger
  • Fewer features: sampling, storage options and UI are all more limited
  • The interface is dated and slower to work with on large trace volumes
  • Tracing alone still leaves metrics and logs in separate tools during an incident

Pricing, plan by plan

GNAT Pro

On request

No published plan breakdown. See the GNAT Pro review.

Zipkin

Free
  • ZipkinFree
    • Full functionality
    • No usage limits
    • Community support

Which should you pick?

Choose GNAT Pro if

Nothing in the data separates GNAT Pro from Zipkin on the points above - pick on price and on how each one feels to use.

GNAT Pro review

Choose Zipkin if

  • You need trace collection and search.
  • You want to start without paying.
  • You work on Linux, Docker, Kubernetes, Self-hosted.
  • You also want dependency diagram.
Zipkin review

Questions people ask

Is GNAT Pro or Zipkin better?
Neither clearly leads. GNAT Pro starts at On request and Zipkin at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, GNAT Pro or Zipkin?
Zipkin has a free tier; the other does not. Paid plans start at On request for GNAT Pro and Free for Zipkin.
Does GNAT Pro or Zipkin run on more platforms?
GNAT Pro runs on Web. Zipkin runs on Linux, Docker, Kubernetes, Self-hosted.
Can I use Zipkin for free?
Yes. Zipkin has a free tier, so you can try it without paying. GNAT Pro starts at On request.
What is GNAT Pro best used for?
GNAT Pro is most often used for building certified avionics software meeting do-178b/c standards, developing automotive embedded systems with iso-26262 compliance, integrating ada, c/c++, and rust components in single codebase, managing software supply chain vulnerabilities and sboms. Of those, building certified avionics software meeting do-178b/c standards and developing automotive embedded systems with iso-26262 compliance are not what Zipkin is typically brought in for.
What can GNAT Pro do that Zipkin cannot?
Zipkin covers Trace collection and search, Dependency diagram, Simple deployment, Pluggable storage.

Answered from the vendors’ own pages

GNAT Pro: How much does GNAT Pro cost?

GNAT Pro pricing is not published on the website. Customers must request a pricing quote by contacting AdaCore directly or speaking with a GNAT Pro expert.

Source
Zipkin: Is Zipkin free?

Yes, open source with no licence fee.

GNAT Pro: What is GNAT Pro licensing model?

GNAT Pro is sold on a per-user, per-year basis with no license locks. Customers can request pricing for their specific needs.

Source
Zipkin: Zipkin or Jaeger?

Jaeger has more momentum, more features and CNCF backing. Zipkin is lighter and quicker to stand up, and remains well supported in the Java and Spring ecosystem.

Zipkin: Does Zipkin work with OpenTelemetry?

Yes. OpenTelemetry can export to Zipkin, which is now the usual way to instrument for it.

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