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Altair GraphQL Client vs graphqurl: catalog facts
Altair GraphQL Client	graphqurl
Freemium The client is free and open source; Altair GraphQL Cloud is an optional hosted service.	Free Free and open source under the Apache 2.0 license.
Windows, macOS, Linux, Web, Browser extension	Web, Command line
Schema docs search with one-click query generation Environments, pre-request scripts and file uploads	Autocomplete based on GraphQL schema introspection Supports GraphQL subscriptions
Focused on GraphQL only, not general REST testing Team sync features rely on the separate cloud service	GraphiQL support was removed in version 2; use v1.0.3 for that feature.
Downloadable app, Browser extension	Downloadable app
Open source	Open source
License not stated	License: Apache-2.0
No account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 8, 2026

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