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Memories vs Synology Photos: catalog facts
Memories	Synology Photos
Free Free and open source.	Free Included at no extra cost with a Synology NAS.
Android, Web, Self-hosted	Android, iOS, Web, Self-hosted, Browser extension
Fast timeline for very large libraries Face and keyword tagging through Nextcloud apps	Photos stay on hardware you own Automatic phone backup through mobile apps
Requires a Nextcloud server Face and object tagging depend on separate Nextcloud apps	Requires a Synology NAS Closed source
Self-hosted	Downloadable app, Self-hosted, Browser extension
Open source	Closed source
License: AGPL-3.0	License not stated
Not stated if an account is 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 September 23, 2026

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