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.

Klaviyo Reviews collects text, photo, and video reviews with automated email and SMS requests from prebuilt flows. Verified reviews build trust, and AI helps customers write reviews and drafts your replies in your brand voice. Show ratings, summaries, and reviews in on-brand widgets, sync to Google Shopping, and add custom questions. Because reviews live in your CRM, segment on ratings, personalize across channels, feature reviews in campaigns and flows, and route low ratings to support.

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.

Create product bundles, kits, multipacks, BOGO offers, volume discounts and mix-and-match bundles with unlimited variants to increase AOV. Let customers build-your-own-bundle, build a box, or shop curated kits. Promote upsells, cross-sells and frequently bought together offers. AI suggests bundle types from order history and catalog. Launch fast with a no-code builder that's flexible for custom storefronts, POS and Headless. Single & multi-SKU inventory sync across 3PL, WMS, ERP & fulfillment.