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Developer Tools · head to head

GNAT Pro vs IAR Embedded Workbench

GNAT Pro logo

GNAT Pro

Developer Tools

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

From
On request
Rated
-
Full reviewWebsite
IAR Embedded Workbench logo

IAR Embedded Workbench

Developer Tools

Complete toolchain for embedded software development

From
On request
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: GNAT Pro no pricing published on website; requires contacting AdaCore directly for quotes; IAR Embedded Workbench no pricing information published on product page; prospective customers directed to free trial or sales contact only
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which GNAT Pro and IAR Embedded Workbench actually diverge.

Attributes where GNAT Pro and IAR Embedded Workbench differ
AttributeGNAT ProIAR Embedded Workbench

Identical on both: starting price (On request), pricing model (quote), free tier (No), 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 IAR Embedded Workbench
  • Developing automotive embedded systems with ISO-26262 compliancenot IAR Embedded Workbench
  • Integrating Ada, C/C++, and Rust components in single codebasenot IAR Embedded Workbench
  • Managing software supply chain vulnerabilities and SBOMsnot IAR Embedded Workbench
  • Supporting long-lived software systems spanning decadesnot IAR Embedded Workbench

IAR Embedded Workbench

  • Embedded software development and debuggingnot GNAT Pro
  • Compiler and linker tools for embedded systemsnot GNAT Pro
  • Multi-architecture embedded development supportnot 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

IAR Embedded Workbench

  • No pricing information published on product page; prospective customers directed to free trial or sales contact only
  • Pricing model not specified; customers must request quote or try free trial to understand licensing costs
  • Embedded development tools typically require expensive licenses, but specific IAR costs unavailable online

Pricing, plan by plan

GNAT Pro

On request

No published plan breakdown. See the GNAT Pro review.

IAR Embedded Workbench

On request

No published plan breakdown. See the IAR Embedded Workbench review.

Which should you pick?

Choose GNAT Pro if

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

GNAT Pro review

Choose IAR Embedded Workbench if

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

IAR Embedded Workbench review

Questions people ask

Is GNAT Pro or IAR Embedded Workbench better?
Neither clearly leads. GNAT Pro starts at On request and IAR Embedded Workbench at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, GNAT Pro or IAR Embedded Workbench?
GNAT Pro starts at On request and IAR Embedded Workbench at On request.
Does GNAT Pro or IAR Embedded Workbench run on more platforms?
Both run on Web, so platform support will not decide this one for you.
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 IAR Embedded Workbench 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
IAR Embedded Workbench: How much does IAR Embedded Workbench cost?

IAR Embedded Workbench pricing is not published on the product page. Prospective customers are directed to free trials or must contact the sales team to request pricing.

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
IAR Embedded Workbench: Does IAR Embedded Workbench offer a free trial?

Free trials are available for IAR Embedded Workbench evaluation at https://www.iar.com/embedded-development-tools/free-trials, though specific trial length and limitations are not detailed on the product page.

Source
IAR Embedded Workbench: What is the pricing model for IAR Embedded Workbench?

The pricing model is not disclosed on the product page. Customers must contact the sales team to obtain quotes and understand licensing terms.

Source
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