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Solidus vs Shopify: catalog facts
Solidus	Shopify
Free Free and open source under the BSD-3-Clause license.	Paid Paid subscription plans, with a free trial to start.
Self-hosted	Web
Highly customizable through an open Rails architecture Starter theme and admin dashboard included	Store, payments, shipping and inventory in one place Prebuilt themes or AI-assisted store setup
Requires Ruby on Rails development skills Not a ready-made store for non-technical users	Ongoing subscription cost Hosted platform with no self-hosted option
Self-hosted	Web application, Hosted service
Open source	Closed source
License: BSD-3-Clause	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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