Does Hyvä work on Adobe Commerce as well as Open Source?

Yes — Hyvä supports both Magento Open Source and Adobe Commerce. Behaviour is identical for the storefront layer. The differences are:

• Adobe Commerce B2B features (Companies, quotes, segment pricing, approval flows, requisition lists, shared catalogs) all work on Hyvä. The B2B sprint week the calculator allocates covers them on both.
• Page Builder content (Adobe Commerce + paid Open Source extension) renders inside the Hyvä Compatibility Module bridge. No porting work, but you don’t get the Hyvä perf gain on Page Builder pages. Worth migrating heavy-traffic Page Builder content to native Hyvä blocks during the migration.
• Adobe Commerce admin / staging features (Content Staging, Customer Segmentation rules at preview time) are unchanged.
• Adobe Commerce Cloud deployment workflow is unchanged. Hyvä builds with the same setup:static-content:deploy pipeline. CI / CD doesn’t need rework.

Cost of the migration is the same whether you’re on Open Source or Adobe Commerce — the calculator output applies to both. The Hyvä licence cost is also the same.

The one extra consideration on Adobe Commerce: your Magento support contract / SLA may need notifying that you’ve adopted Hyvä for the storefront. Adobe support continues to cover the backend regardless.