For growing eCommerce teams on Shopify or WooCommerce, Klaviyo wins clearly — faster setup, transparent pricing, and an email/SMS builder that G2 reviewers consistently rate above Salesforce. For large enterprises already on Salesforce CRM that need multi-channel journeys across email, social, SMS, and push with deep CRM-native segmentation, Salesforce earns its price. The gap between them is widening in opposite directions: Klaviyo is getting more accessible for SMBs, while Salesforce is getting more specialised for enterprise. If you need cross-vertical AI decisioning, warehouse-native compliance, or Indian martech depth, neither platform delivers it out of the box.