Compare software

PiGallery2 vs PhotoPrism: catalog facts
PiGallery2	PhotoPrism
Free Free to download and run.	Freemium Free and open source under the AGPL 3.0. Sponsored membership unlocks some extra features…
Web, Self-hosted	Self-hosted, Web
Follows your existing folder layout Runs well on a Raspberry Pi	Automatic labelling and face recognition running on your own machine Powerful combined search across labels, place, colour and quality
Gallery rather than a full photo backup solution Needs a server to run	Indexing and face recognition are demanding; a Raspberry Pi will struggle Docker is the supported install route, which is a barrier for some
Self-hosted	Self-hosted, Web application
Closed source	Open source
License not stated	License: AGPL-3.0
Not stated if an account is needed	No account 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 21, 2026

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