Hulk Product Options is a product customizer that adds unlimited custom options and variants beyond Shopify's limits. Offer swatches, dropdowns, checkboxes, file uploads, and custom text, with conditional logic that shows or hides options per choice. Boost average order value with add-on pricing - set fixed, percentage, or formula-based charges per option. Apply option sets in bulk across products, track SKUs and inventory, and sell globally with multi-currency, Markets, B2B, and POS support.

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 a loyalty and rewards program to increase retention online and in-store for loyal customers. Offer loyalty points and rewards, VIP tiers, referrals, paid memberships & more with a unified online & offline experience. Add 20+ loyalty program placements on the storefront to maximize participation & engagement in your loyalty program (with point redemption in cart). Shopify POS to collect data, enable earn/redeem points, scannable wallet passes for boosting in-store retention. Live chat.