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Loudly vs Udio: catalog facts
Loudly	Udio
Freemium Free to start, with paid options for more usage and features.	Freemium The fetched page did not list plans; check the site for current pricing and limits.
Web	Web
Choice of several in-house and partner generation models Remixing, mastering and stem splitting in one place	Generates music tracks in seconds Built-in discovery feed of shared music
Hosted web service only Details of free tier limits are not stated on the homepage	Runs only as an online service Current plan details and usage limits were not visible on the homepage
Web application	Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Needs internet	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.