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Piwigo vs Photoview: catalog facts
Piwigo	Photoview
Freemium Self-hosted Piwigo is free; Piwigo Cloud is a paid service with a free trial.	Free Free and open source.
Web, Self-hosted	Web, Self-hosted
Same open-source core for self-hosted and cloud versions Plugin system and API	Uses your existing folder structure as albums Multiple users with separate photo directories
Self-hosting requires your own web server Paid support is separate from the free version	Official iOS app is no longer maintained Requires running your own server
Self-hosted, Hosted service	Self-hosted
Open source	Open source
License not stated	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 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.