Yes, both Shopify and DialogTab offer a Free Trial.
Shopify is designed for Large Enterprises, Medium Business and Small Business.
DialogTab is designed for Individuals, Large Enterprises, Medium Business and Small Business.
The starting price of DialogTab begins at $19/User/Month when Billed Yearly, 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 DialogTab includes BusinessOnBot, 360dialog, Konverse AI, Conversational AI Bot, Qualified, StoryFile Conversa, Convin, Workvivo, Messenger Communication Platform, Conversocial and IFTTT.