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Developer Tools · head to head

GNAT Pro vs Helm

GNAT Pro logo

GNAT Pro

Developer Tools

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

From
On request
Rated
-
Full reviewWebsite
H

Helm

Developer Tools

The package manager for Kubernetes

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Helm 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; Helm licensed under Apache License 2.0 per the project's GitHub repository (helm/helm LICENSE); as open source software it has no paid tier or vendor price to compare
  • Prices and features above were last checked on 29 August 2026.

Where they differ

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

Attributes where GNAT Pro and Helm differ
AttributeGNAT ProHelm
Starting priceOn requestFree
Pricing modelquoteopen-source
Free tierNoYes

Identical on both: platforms (Web), user rating (Not yet rated), category (Developer Tools).

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 Helm
  • Developing automotive embedded systems with ISO-26262 compliancenot Helm
  • Integrating Ada, C/C++, and Rust components in single codebasenot Helm
  • Managing software supply chain vulnerabilities and SBOMsnot Helm
  • Supporting long-lived software systems spanning decadesnot Helm

Helm

  • Kubernetes package manager and deployment toolnot 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

Helm

  • Licensed under Apache License 2.0 per the project's GitHub repository (helm/helm LICENSE); as open source software it has no paid tier or vendor price to compare
  • Contributors must sign commits under the Developer Certificate of Origin to have them accepted, per helm.sh, a process requirement not all Kubernetes tools impose

Pricing, plan by plan

GNAT Pro

On request

No published plan breakdown. See the GNAT Pro review.

Helm

Free

No published plan breakdown. See the Helm review.

Which should you pick?

Choose GNAT Pro if

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

GNAT Pro review

Choose Helm if

  • You want to start without paying.
Helm review

Questions people ask

Is GNAT Pro or Helm better?
Neither clearly leads. GNAT Pro starts at On request and Helm at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, GNAT Pro or Helm?
Helm has a free tier; the other does not. Paid plans start at On request for GNAT Pro and Free for Helm.
Does GNAT Pro or Helm run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use Helm for free?
Yes. Helm 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 Helm is typically brought in for.

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
Helm: How much does Helm cost?

Helm is free and open-source. It is a graduated project in the Cloud Native Computing Foundation (CNCF) with no commercial pricing model.

Source
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
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