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Synology Photos vs PhotoSync: catalog facts
Synology Photos	PhotoSync
Free Included at no extra cost with a Synology NAS.	Freemium The desktop Companion tool is free; the mobile apps offer paid features.
Android, iOS, Web, Self-hosted, Browser extension	Windows, macOS, Linux, Android, iOS
Photos stay on hardware you own Automatic phone backup through mobile apps	Transfers in full resolution with metadata intact Works over local Wi-Fi without a cloud
Requires a Synology NAS Closed source	Closed source Pricing of the mobile apps not clearly stated on the homepage
Downloadable app, Self-hosted, Browser extension	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	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.