Stop losing international sales to surprise import fees. Tax & Duty King shows shoppers the full landed cost — duties, taxes, and fees — directly in the cart and on the product page, before they check out. Supports EU↔UK, UK→US, IOSS, DDP, and multi-origin fulfilment. Reduce cart abandonment, prevent refused deliveries, and build trust with global customers. Coverage for 50+ countries.

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 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.

Boost AOV with product bundles, from mix and match bundles, subscription bundles, BOGO free gifts, volume discounts, single- & multi-SKU bundles, build your own bundle, B2B multipacks, and AI suggested bundles from order history. Bypass Shopify’s 2048 variant limit with unlimited bundle options. Integrate POS, ERP, WMS, and 3PL to break down bundles into individual SKUs for order fulfillment and inventory sync. Upsell bundles with their own landing page using little-to-no front-end components.