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Testing · head to head

Insomnia vs Tricentis Tosca

Insomnia logo

Insomnia

Testing

REST and GraphQL API client for development and testing

From
Free
Rated
-
Full reviewWebsite
Tricentis Tosca logo

Tricentis Tosca

Testing

Model based test automation for enterprise applications, with deep SAP and mainframe coverage

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Insomnia has a free tier, so it costs nothing to try first.
  • Each has a real cost: Insomnia git Sync on the free tier covers up to 3 users only; Tricentis Tosca licensing is quoted per workstation at enterprise figures, so the tool only pays back where testing headcount is already large; a team of five will not recover the cost.
  • They diverge on capability: Insomnia covers REST API Client, Tricentis Tosca covers Model based test design.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Insomnia and Tricentis Tosca actually diverge.

Attributes where Insomnia and Tricentis Tosca differ
AttributeInsomniaTricentis Tosca
Starting priceFreeOn request
Pricing modelfreemiumquote
Free tierYesNo
PlatformsWindows, MacOS, Linux, WebWindows, Web
Founded2010Unknown

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

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 Insomnia

  • REST API Client
  • GraphQL Support
  • gRPC Support
  • GitHub
  • GitLab
  • Slack
  • Windows support
  • MacOS support

Only in Tricentis Tosca

  • Model based test design
  • SAP coverage
  • Risk based test selection
  • API and message layer testing
  • Test data management
  • Distributed execution

What people use each for

The jobs each tool is most often brought in to do.

Insomnia

  • Sending and debugging HTTP, GraphQL and gRPC requestsnot Tricentis Tosca
  • Storing collections in Git rather than a vendor cloudnot Tricentis Tosca
  • Mocking an API endpoint before it existsnot Tricentis Tosca
  • Running collections in CI with the Inso CLInot Tricentis Tosca
  • Environment management across staging and productionnot Tricentis Tosca

Tricentis Tosca

  • Regression testing an SAP estate through an S/4HANA migration where thousands of transactions must be verifiednot Insomnia
  • A regulated organisation that needs auditable evidence of what was tested before each releasenot Insomnia
  • Testing a mixed estate of browser, Windows desktop and mainframe applications from one suitenot Insomnia
  • A test centre of excellence with dozens of testers where per screen maintenance beats per test maintenancenot Insomnia

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

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

Tricentis Tosca

  • Licensing is quoted per workstation at enterprise figures, so the tool only pays back where testing headcount is already large; a team of five will not recover the cost.
  • Building the initial application model takes months and is usually done with paid consultants, meaning value arrives long after the invoice does.
  • The authoring environment is Windows only and heavy, which sits awkwardly in organisations whose engineers work on macOS or Linux.
  • Tricentis has assembled its portfolio through acquisitions, so products sold together vary in how deeply they are integrated and a buyer should verify the joins rather than the diagram.
  • Skills are specific to Tosca and not transferable, so recruiting testers means hiring for a niche tool and losing a trained one hurts more than losing a Selenium engineer.

Pricing, plan by plan

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

Tricentis Tosca

On request
  • Tricentis Tosca$undefined/year
    • Quoted per workstation licence with separate execution agents and module packs
    • Implementation is normally sold with partner services, which typically exceed first year licence cost

Which should you pick?

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.
Insomnia review

Choose Tricentis Tosca if

  • You need model based test design.
  • You work on Windows, Web.
  • You also want sap coverage.
Tricentis Tosca review

Questions people ask

Is Insomnia or Tricentis Tosca better?
Neither clearly leads. Insomnia starts at Free and Tricentis Tosca at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Insomnia or Tricentis Tosca?
Insomnia has a free tier; the other does not. Paid plans start at Free for Insomnia and On request for Tricentis Tosca.
Does Insomnia or Tricentis Tosca run on more platforms?
Insomnia runs on Windows, MacOS, Linux, Web. Tricentis Tosca runs on Windows, Web.
Can I use Insomnia for free?
Yes. Insomnia has a free tier, so you can try it without paying. Tricentis Tosca starts at On request.
What is Insomnia best used for?
Insomnia is most often used for sending and debugging http, graphql and grpc requests, storing collections in git rather than a vendor cloud, mocking an api endpoint before it exists, running collections in ci with the inso cli. Of those, sending and debugging http, graphql and grpc requests and storing collections in git rather than a vendor cloud are not what Tricentis Tosca is typically brought in for.
What can Insomnia do that Tricentis Tosca cannot?
Insomnia covers REST API Client, GraphQL Support, gRPC Support, GitHub. Tricentis Tosca covers Model based test design, SAP coverage, Risk based test selection, API and message layer testing.

Answered from the vendors’ own pages

Insomnia: 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.

Source
Tricentis Tosca: Is Tosca scriptless?

Test assembly is scriptless, but non trivial estates still need TQL queries and custom modules, which is programming under another name.

Insomnia: 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.

Source
Tricentis Tosca: Why does it dominate SAP testing?

It holds SAP certification, covers SAP GUI and Fiori at transaction level, and is sold through the same integrators that run SAP programmes.

Insomnia: 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.

Source
Tricentis Tosca: Can it replace Selenium for a web only product?

It can, but the economics do not work. Model based testing pays off across large heterogeneous estates, not one web application.

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