Get the most out of your product reviews with all your data consolidated in one platform. Deliver a seamless customer experience with all review requests on brand, on time, and never double-sent – Klaviyo already has all your existing templates and applies smart sending rules to all sends.

Go beyond the basics with the Klaviyo marketing app. 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 marketing automation tools that turn browsers into buyers.

Show product options beautifully with clickable color and image swatches — fully customizable on product and collection pages. Group related products as variants to improve SEO and provide a seamless shopping experience. Boost sales with built-in product bundles — ideal for upsells, B2B, or promotions. Easy setup, no coding needed. Works with all themes and filter apps.

PostCo unifies upsell, order editing, returns, EU withdrawal and exchanges in one platform. No more juggling siloed apps. Customize your cart and build upsell strategies that raise AOV at cart and checkout. Add order editing to cut support tickets. Offer seamless exchanges on your site with bonus credit, instant exchange, and flexible rules that keep revenue in store. All powered by one customer intelligence layer that knows your customer from first visit to return.