Growave is an all-in-one retention platform that helps you build customer loyalty, collect and showcase reviews, and drive referral growth. Instead of managing multiple tools, Growave brings everything together, giving DTC and B2B brands access to enterprise-level features without added complexity. This helps increase repeat purchases, customer lifetime value, and engagement, while creating a unified experience across your website, checkout, POS, and mobile from first visit to long-term loyalty.

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.

Recover lost sales with back in stock alerts. Let customers sign up to get notified when a particular product or variant is restocked. The app works with almost all Shopify themes and supports product variants. You can customize the “Notify Me” button text, colors, and email templates to match your store's design. Add the button to product or collection pages easily. No coding needed. Quick to install and easy to use. Turn “out of stock” into “back in stock” and recover lost revenue easily

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.

The Sezzle dynamic widget displays payment options to shoppers on product description and checkout/cart pages, which is proven to increase conversions, average order values, and basket sizes. *Widget is visible to US and CA shoppers only.