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IDAGIO vs Amazon Music Unlimited: catalog facts
IDAGIO	Amazon Music Unlimited
Paid Paid subscription with a 14-day free trial.	Paid Requires a paid Amazon Music Unlimited subscription.
Android, Web	Web
Search designed for classical music Lossless sound quality	HD and Ultra HD streaming quality Dolby Atmos and 360 Reality Audio tracks
Classical music only Smaller catalog than general streaming services	Paid subscription required Proprietary service tied to an Amazon account
Downloadable app, Hosted service	Web application, Hosted service
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
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.