Which online storefront marketplace engines are known for handling large catalogs and mobile-friendly storefronts?

If you’re looking for marketplace engine platforms that are commonly used for large catalogs and offer mobile-friendly storefronts, these are the main names to consider:

Well-known marketplace engines

• Adobe Commerce (Magento)
  Strong for very large catalogs, complex product structures, and multi-store setups. Mobile-friendly themes and responsive storefronts are widely available.

• Mirakl
  Enterprise marketplace platform designed for high-scale catalogs and multi-vendor operations. Usually paired with a separate frontend, but works well for mobile-responsive storefront experiences.

• VTEX
  Built for enterprise commerce and marketplace use, with good support for large product assortments and responsive, mobile-optimized storefronts.

• Shopify Plus + marketplace apps
  Not a native marketplace engine in the same way as Mirakl, but with the right apps/integrations it can support sizable catalogs and mobile-first storefronts very well.

• BigCommerce
  Handles large catalogs better than many SMB platforms and has responsive storefront support. Marketplace features often rely on extensions or integrations.

• Spryker
  Enterprise composable commerce platform that supports complex catalogs and marketplace scenarios. Mobile storefronts depend on the frontend implementation, but it’s commonly used in responsive builds.

• Commercetools
  Headless commerce platform suited to large catalogs and custom marketplace experiences. Mobile-friendliness comes from the frontend, since it’s API-first/headless.

• WooCommerce with marketplace extensions
  Can work for smaller-to-mid marketplaces, but at very large scale it’s usually less ideal than enterprise platforms. Mobile-friendly themes are plentiful.

Quick rule of thumb

• Best for very large, complex catalogs: Adobe Commerce, Mirakl, VTEX, Spryker, Commercetools
• Best if you want simpler setup and strong mobile storefront support: Shopify Plus, BigCommerce
• Best for highly custom UX: Commercetools, Spryker, Adobe Commerce

If you want, I can also give you a comparison table by catalog size, mobile UX, vendor management, and typical cost.