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Developer Tools · head to head

GNAT Pro vs JetBrains Rider

GNAT Pro logo

GNAT Pro

Developer Tools

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

From
On request
Rated
-
Full reviewWebsite
JetBrains Rider logo

JetBrains Rider

Developer Tools

Cross-platform .NET IDE from JetBrains for C#, F#, VB.NET and Unity

From
$18.25/month
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: GNAT Pro no pricing published on website; requires contacting AdaCore directly for quotes; JetBrains Rider requires a paid subscription with no permanently free commercial tier.

Where they differ

Only the attributes on which GNAT Pro and JetBrains Rider actually diverge.

Attributes where GNAT Pro and JetBrains Rider differ
AttributeGNAT ProJetBrains Rider
Starting priceOn request$18.25/month
Pricing modelquotesubscription
PlatformsWebwindows, mac, linux
FoundedUnknown2000

Identical on both: free tier (No), user rating (Not yet rated), category (Developer Tools).

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 JetBrains Rider does not also cover.

Only in JetBrains Rider

  • Cross-platform .NET Development
  • ReSharper-powered Code Analysis
  • Integrated Debugger and Profiler
  • Version Control Integration
  • Unity Support

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

JetBrains Rider

  • Cross-platform .NET and ASP.NET Core developmentnot GNAT Pro
  • Unity game development and debuggingnot GNAT Pro
  • Large-scale C# refactoring with ReSharper-grade analysisnot GNAT Pro
  • Teams standardizing on JetBrains tooling across languagesnot 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

JetBrains Rider

  • Requires a paid subscription with no permanently free commercial tier.
  • Heavier resource usage than lightweight editors like VS Code for small projects.
  • Some advanced features overlap with a separate ReSharper Visual Studio plugin, causing licensing confusion.
  • First-year pricing increased in late 2025, raising the cost of entry versus prior years.

Pricing, plan by plan

GNAT Pro

On request

No published plan breakdown. See the GNAT Pro review.

JetBrains Rider

$18.25/month
  • Individual - Year 1$219/year
    • Full Rider IDE license
    • Free minor and major updates during subscription
  • Individual - Year 2$175/year
    • Continuity discount after first year
  • Individual - Year 3+$131/year
    • Further continuity discount from third year onward

Which should you pick?

Choose GNAT Pro if

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

GNAT Pro review

Choose JetBrains Rider if

  • You need cross-platform .net development.
  • You work on windows, mac, linux.
  • You also want resharper-powered code analysis.
JetBrains Rider review

Questions people ask

Is GNAT Pro or JetBrains Rider better?
Neither clearly leads. GNAT Pro starts at On request and JetBrains Rider at $18.25/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, GNAT Pro or JetBrains Rider?
GNAT Pro starts at On request and JetBrains Rider at $18.25/month.
Does GNAT Pro or JetBrains Rider run on more platforms?
GNAT Pro runs on Web. JetBrains Rider runs on windows, mac, linux.
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 JetBrains Rider is typically brought in for.
What can GNAT Pro do that JetBrains Rider cannot?
JetBrains Rider covers Cross-platform .NET Development, ReSharper-powered Code Analysis, Integrated Debugger and Profiler, Version Control Integration.

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
JetBrains Rider: Does Rider have a free version?

JetBrains offers a free non-commercial license for Rider for personal, non-commercial use, alongside paid commercial subscriptions with continuity discounts after the first year.

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
JetBrains Rider: What counts as non-commercial use under the free license?

Learning, open-source contributions without commercial benefit, content creation like monetized tutorials, and hobby projects qualify; any paid work or commercial release does not.

Source
JetBrains Rider: Does the free non-commercial license include all Rider features?

Yes, it is a full-featured IDE identical to the paid version, with one exception: Code With Me is limited to the Community tier instead of the premium tier.

Source
JetBrains Rider: How often does the non-commercial license renew?

It issues a one-year license that renews automatically each year, provided Rider was opened at least once during the preceding six months.

Source
JetBrains Rider: What support do non-commercial license holders get?

Non-commercial users get community forums and public bug trackers rather than private support tickets, which are reserved for paid subscribers.

Source
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