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Steam vs Xbox app: catalog facts
Steam	Xbox app
Freemium The client is free; games and other content are bought individually.	Freemium The app is free; PC Game Pass is a paid subscription.
Windows, macOS, Linux, Android, iOS	Windows
Native client for Windows, macOS and Linux Large store with free and paid games	Official launcher for PC Game Pass Installs and updates Microsoft Store games in one place
Requires a Steam account Closed source	Windows only Requires a Microsoft account
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Account needed	Account 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 September 23, 2026

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