Developer Tools · head to head
GNAT Pro vs Insomnia

GNAT Pro
Developer Tools
Software development environments and toolchains for Ada, C/C++ and Rust
- From
- On request
- Rated
- -

Insomnia
Testing
REST and GraphQL API client for development and testing
- From
- Free
- Rated
- -
The short version
- Only Insomnia 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; Insomnia git Sync on the free tier covers up to 3 users only
Where they differ
Only the attributes on which GNAT Pro and Insomnia actually diverge.
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 Insomnia does not also cover.
Only in Insomnia
- REST API Client
- GraphQL Support
- gRPC Support
- GitHub
- GitLab
- Slack
- Windows support
- MacOS 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 Insomnia
- Developing automotive embedded systems with ISO-26262 compliancenot Insomnia
- Integrating Ada, C/C++, and Rust components in single codebasenot Insomnia
- Managing software supply chain vulnerabilities and SBOMsnot Insomnia
- Supporting long-lived software systems spanning decadesnot Insomnia
Insomnia
- Sending and debugging HTTP, GraphQL and gRPC requestsnot GNAT Pro
- Storing collections in Git rather than a vendor cloudnot GNAT Pro
- Mocking an API endpoint before it existsnot GNAT Pro
- Running collections in CI with the Inso CLInot GNAT Pro
- Environment management across staging and productionnot 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
Insomnia
- Git Sync on the free tier covers up to 3 users only
- Mock servers are capped at 1,000 requests a month on free, then $10 per 25,000
- Role-based access control requires Pro at $12 per user per month
- SSO, SCIM and vault integrations are Enterprise only at $45 per user per month
- Working without an account is limited to the local-only Scratch Pad
Pricing, plan by plan
GNAT Pro
On requestNo published plan breakdown. See the GNAT Pro review.
Insomnia
Free- EssentialsFree
- unlimited Cloud/Local projects
- up to 3 users with Git Sync
- 1,000 mock server requests/month
- Pro$12/user/month
- unlimited users with Git Sync access
- unlimited organizations
- role-based access control
- Enterprise$45/user/month
- Kong Konnect integration
- SSO (SAML/OIDC)
- SCIM provisioning
Which should you pick?
Choose GNAT Pro if
Nothing in the data separates GNAT Pro from Insomnia on the points above - pick on price and on how each one feels to use.
Choose Insomnia if
- You need rest api client.
- You want to start without paying.
- You work on Windows, MacOS, Linux, Web.
- You also want graphql support.
Questions people ask
- Is GNAT Pro or Insomnia better?
- Neither clearly leads. GNAT Pro starts at On request and Insomnia at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, GNAT Pro or Insomnia?
- Insomnia has a free tier; the other does not. Paid plans start at On request for GNAT Pro and Free for Insomnia.
- Does GNAT Pro or Insomnia run on more platforms?
- GNAT Pro runs on Web. Insomnia runs on Windows, MacOS, Linux, Web.
- Can I use Insomnia for free?
- Yes. Insomnia 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 Insomnia is typically brought in for.
- What can GNAT Pro do that Insomnia cannot?
- Insomnia covers REST API Client, GraphQL Support, gRPC Support, GitHub.
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.
SourceInsomnia: How much does Insomnia cost?
Insomnia offers a free Essentials plan. Pro plans cost $12 per user per month with annual billing offering 17% savings. Enterprise plans cost $45 per user per month with support for up to 50 users self-serve; contact sales for larger teams.
SourceGNAT 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.
SourceInsomnia: Is there a free version of Insomnia?
Yes, the Essentials plan is free and includes unlimited Cloud and Local projects, Git Sync for up to 3 users, 1,000 mock server requests per month, Inso CLI, E2EE, custom linting, plugins, and AI features.
SourceInsomnia: What mock server request limits apply to Insomnia plans?
Essentials includes 1,000 mock server requests per month. Pro includes 10,000 requests per month. Enterprise includes unlimited mock server requests. Additional mock server requests beyond plan allowances cost $10 per 25,000 requests.
SourceRelated pages
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- Insomnia vs ESLint
- Insomnia vs pnpm
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- Insomnia vs GitHub Copilot
- Insomnia vs Penpot
- Insomnia vs Keycloak
- Insomnia vs Rust
- Insomnia vs CLion
- Insomnia vs IAR Embedded Workbench
- Insomnia vs GNU Emacs
- Insomnia vs Keil MDK
- Insomnia vs Vite
- Insomnia vs Bazel
- Insomnia vs CodeSandbox
- Insomnia vs Eclipse IDE
- Insomnia vs Moonrepo
- Insomnia vs Nx Cloud
- Insomnia vs CircleCI
- Insomnia vs BrowserStack
- Insomnia vs BugHerd
- Insomnia vs Cypress
- Insomnia vs Playwright
- Insomnia vs GitHub Actions
- Insomnia vs Selenium
- Insomnia vs Puppeteer
- Insomnia vs Vitest
- Insomnia vs Zephyr Scale
