Go beyond the basics with Klaviyo’s AI-first B2C CRM. Klaviyo syncs Shopify data in milliseconds so every message and insight reflects what’s happening in your store right now. Unify data from 350+ integrations and boost marketing performance with campaigns, smart segmentation, and automated workflows from Klaviyo’s AI Agents. Over 117k brands use Klaviyo and Shopify to grow faster with personalized emails, SMS, WhatsApp messages, and AI customer service tools that turn browsers into buyers.

Rebuy personalizes every step of the shopping journey with AI-powered upsells, cross-sells, and smart product discovery and merchandising tools. Our core packages — Cart & Merchandising, Checkout & Post Purchase, Search & Collections, and Flows & A/B Testing — help brands boost AOV and LTV. Plus, Rebuy Monetize unlocks new, incremental post-purchase profit! Grow faster with flexible no-code, low-code, and custom code solutions trusted by top Shopify stores to convert more and grow faster.

Sticky add to cart bar floating button always visible add to cart. Grow sales via side cart AI upsells. One Click checkout sticky Add to Cart button direct sale in product page. Sticky Side cart drawer offers instant cart overview w/o leaving page, slide cart offers cart upsell & cross sell like UpCart iCart Opus. Side Cart Slide cart to upsell & cross sell more product & grow average order value. Quick buy buttons -> add to cart speed. Free shipping bar shows progress to discounts, sticky cart.

Fast and responsive customer care. Automated install for popular Shopify themes (and help to install for other themes). Works on product, collection and quick views. Track products, customers and their activities. Use the wishlist as a guest user (no login required). GDPR compliant. Get Email reminders when a wishlist product either has a low stock or a price drop. Multi-Currency support, Impact conversion through Klavio onsite tracking, FB pixel, GA4 and TikTok Pixel. REST API & JavaScript API.