Sylius
9.2#3 in ecommerce platformsFrom €800 a yearFree planAndroidiOSWebAPI
VisitSylius vs Unchained Engine
Unchained Engine
5.9#22 in headless ecommerce platformsFree planFree planWebAPISelf-hosted
VisitWhat both publish
| Fact | Sylius | Unchained Engine |
|---|---|---|
| Headless architecture | The framework lets teams replace the data model, business logic, checkout and frontend layers. | The engine separates the frontend from the backend and says it can power web, mobile, IoT, and social commerce from one backend. |
| Headquarters | Opole, Poland | Zürich, Switzerland |
| Integrations | The API is intended to connect ERP, CRM, PIM and other best-of-breed enterprise systems. | Listed integrations include Stripe, PayPal, Datatrans, SendGrid, Mailchimp, Twilio, DHL, UPS, AWS S3, Google Cloud, and Cloudinary. |
Sylius plans
- Sylius Plus€800 a year
- Sylius StandardFree
Unchained Engine plans
- Unchained EngineFree
Pick Sylius if…
Sylius suits mid-market and enterprise brands building custom B2C or B2B commerce. Standard fits teams seeking an open-source, self-hosted platform, while Plus is for customers who need commercial modules and SLA-backed support.
Pick Unchained Engine if…
Unchained Engine suits developers and businesses building stores or B2B marketplaces that need a headless commerce backend. It may fit teams seeking self-hosting, GraphQL development tools, and the listed commerce integrations.