Siblings

Go beyond the basics with the Klaviyo marketing app. New stores get a guided setup — sign-up form, welcome email, and abandoned-checkout flow — without leaving Shopify Admin. 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.

Postscript is the AI Retention Platform for Shopify brands. Grow your list with patented Onsite Opt-in, then turn subscribers into repeat buyers with SMS, RCS, and email. Shopper, our agentic marketing suite, answers questions, recommends products, and sends 1:1 messages 24/7. Infinity Testing keeps every campaign and flow improving on its own, and Brand Center keeps AI on-brand. Built-in compliance guardrails and expert support keep you protected. Email is rolling out to brands in phases.

Aftersell helps you earn more from every order, without spending more on ads. Drive revenue with 1-click post-purchase upsells & use Smart Funnel AI to show shoppers the perfect offer. Grow AOV with an AI-powered cart featuring 18+ blocks, rewards & A/B testing. Customize your Thank You page with cross-sells, or add checkout widgets like upsells or testimonials (Shopify Plus). Then, unlock passive profit with Rokt Thanks: earn up to $0.80 per order with premium offers on your confirmation page.

Unlike basic cart drawer apps, Upcart turns your cart into a revenue-driving touchpoint with in-cart upsells, cross-sells, rewards, and add-ons—without redirecting shoppers or requiring multiple apps. Designed for fashion, food & beverage, beauty, and other DTC brands, Upcart matches your storefront and works seamlessly across desktop and mobile.

Triple Whale is the AI operating system built for modern ecommerce. We pull every signal in your business into one place, put it on the most trusted measurement foundation in the industry, and give you Moby 2 — the most actionable AI in commerce today — to turn that data into decisions and actions. All from one platform. More than 60,000 brands, including OUAI and True Classic, use Triple Whale to grow profit at a speed and scale no team could hit on their own.

AppLovin helps Shopify brands acquire new customers by advertising inside mobile games, reaching over 1 billion potential customers worldwide. Getting live on AppLovin Ads is fast and easy. Simply install the app, connect your store, and you're ready to launch - no coding required. AppLovin Ads automatically sets up pixel tracking and syncs your product catalog so you can quickly run ads and start driving sales. Why merchants use AppLovin Ads: