Yes, both Shopify and Flex.io offer a Free Trial.
Shopify is designed for Large Enterprises, Medium Business and Small Business.
Flex.io is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Flex.io begins at $29/User/Month, while pricing details for Shopify are unavailable.
Some top alternatives to Shopify includes PrestaShop, CS-Cart, WooCommerce, Shopify Plus, BigCommerce, AmeriCommerce, 1ShoppingCart, Zoho Commerce, Magento Open Source, Web.com, iSeller and Dukaan.
Some top alternatives to Flex.io includes Import.io, Etlworks Integrator, Matillion ETL, Fivetran, Blendo, Flatly, K3, Etleap, Optimus Mine and ETLrobot.