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Playnite vs RomM: catalog facts
Playnite	RomM
Free Free and open source under the MIT licence, with no paid features.	Free The open-source software is available without a license fee. Hosting is separate.
Windows	Web, Self-hosted
Links Steam, Epic, EA App, GOG, Battle.net and Ubisoft Connect libraries, installed or not Console emulator support, so retro and modern games share one library	Web library with metadata, artwork and in-browser play Save synchronisation across devices through the server
Windows 10 or 11 only Metadata comes from IGDB, so obscure titles may need manual editing	Docker deployment and a database to maintain In-browser emulation performance is limited compared with native emulators
Downloadable app	Self-hosted, Web application
Open source	Open source
License: MIT	License: AGPL-3.0
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked September 22, 2026

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