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Developer Tools · head to head

GNAT Pro vs Userpilot

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
Userpilot logo

Userpilot

Technology

Product analytics and in-app onboarding platform.

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Only Userpilot 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; Userpilot starter tier limited to 2,000 monthly active users; even small-to-medium products may require Growth tier
  • Prices and features above were last checked on 29 August 2026.

Where they differ

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

Attributes where GNAT Pro and Userpilot differ
AttributeGNAT ProUserpilot
Starting priceOn requestFree
Pricing modelquotesubscription
Free tierNoYes
PlatformsWebWeb, iOS, Android, API
CategoryDeveloper ToolsTechnology

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

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

Userpilot

  • SaaS companies optimising user onboarding and activationnot GNAT Pro
  • Product teams collecting user feedback and identifying churn drivers via session replaynot GNAT Pro
  • Customer success teams using in-app guides and contextual helpnot GNAT Pro
  • Growth teams orchestrating multi-channel campaigns across email and in-appnot GNAT Pro
  • Product managers measuring adoption and engagement across user cohortsnot 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

Userpilot

  • Starter tier limited to 2,000 monthly active users; even small-to-medium products may require Growth tier
  • Large price jump from Starter ($299/mo) to Growth ($849/mo), nearly 3x increase
  • Growth tier scales to 100,000 MAU but does not publish pricing for higher volumes, requiring Enterprise negotiation
  • Session replay and mobile engagement are optional add-ons in Growth tier, not included in base pricing
  • Enterprise pricing not published; custom negotiations required for large-scale deployments

Pricing, plan by plan

GNAT Pro

On request

No published plan breakdown. See the GNAT Pro review.

Userpilot

Free
  • Starter$299/month
    • Up to 2,000 monthly active users
    • In-app engagement
    • User segmentation
  • Growth$849/month (marked 'Most Popular')
    • 2,000 to 100,000 monthly active users
    • All Starter features
    • Advanced product analytics
  • Enterprise$undefined/variable
    • Custom monthly active user levels
    • All Growth features
    • Premium integrations

Which should you pick?

Choose GNAT Pro if

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

GNAT Pro review

Choose Userpilot if

  • You want to start without paying.
  • You work on Web, iOS, Android, API.
Userpilot review

Questions people ask

Is GNAT Pro or Userpilot better?
Neither clearly leads. GNAT Pro starts at On request and Userpilot at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, GNAT Pro or Userpilot?
Userpilot has a free tier; the other does not. Paid plans start at On request for GNAT Pro and Free for Userpilot.
Does GNAT Pro or Userpilot run on more platforms?
GNAT Pro runs on Web. Userpilot runs on Web, iOS, Android, API.
Can I use Userpilot for free?
Yes. Userpilot 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 Userpilot 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
Userpilot: What is included in the free trial?

Userpilot offers a free 14-day trial without requiring a credit card, providing full access to the Starter tier features.

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
Userpilot: Does Userpilot include session replay?

Session replay is available in the Growth tier as an optional add-on for watching real user sessions and identifying friction points.

Source
Userpilot: What integrations does Userpilot support?

Userpilot integrates with HubSpot, Salesforce, Segment, Google Analytics, Amplitude, Mixpanel, Heap, Zendesk, Intercom and Google Tag Manager. Additional integrations can be requested.

Source
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