Compare software

Insomnia vs Step CI: catalog facts
Insomnia	Step CI
Freemium Free to use, with a free account unlocking most features. Kong sells paid plans for teams…	Freemium The open-source runner is free; the site also lists paid options and demos.
Windows, macOS, Linux	Command line
REST, GraphQL, gRPC, WebSockets and Server-Sent Events in one client Local Vault and Git Sync mean the cloud is optional	Tests REST, GraphQL, gRPC and SOAP in one format Imports from OpenAPI, Postman and Insomnia
Most features expect an account, even though a Scratch Pad works without one The 2023 move to account-first storage cost it a lot of goodwill	No graphical interface for manual requests Requires Node.js or Docker to run
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.