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SPIS vs Photoview: catalog facts
SPIS	Photoview
Free Free and open source under the GPL-3.0 licence.	Free Free and open source.
Web, Self-hosted	Web, Self-hosted
No separate database or extra services to set up Light enough to run on a Raspberry Pi	Uses your existing folder structure as albums Multiple users with separate photo directories
Displays existing files rather than providing phone backup or uploads Deliberately minimal, without face recognition or albums	Official iOS app is no longer maintained Requires running your own server
Self-hosted	Self-hosted
Open source	Open source
License: GPL-3.0	License: GPL-3.0
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 October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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