Bombas
iSeller offers Free Trial, but Shopify Plus does not.
Shopify Plus is designed for and Large Enterprises.
iSeller is designed for Medium Business and Small Business.
Pricing details for both Shopify Plus and iSeller are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to Shopify Plus includes Sharetribe, WooCommerce, BigCommerce, Square Ecommerce, Shopify, AmeriCommerce, Ecwid, Salesforce B2C Commerce, Magento Open Source, NetSuite SuiteCommerce, WebCommander and Web.com.
Some top alternatives to iSeller includes Exlcart, WooCommerce, Shopify Plus, BigCommerce, Shopify, AmeriCommerce, 1ShoppingCart, Elliot, Oneshop, Ecwid, Web.com and ICRM Software.