US Four Sigmatic

Klaviyo: Email Marketing & SMS

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.

Rating

4.7 / 5,020 reviews

Categories

Email marketingSMS marketing

Developer

Klaviyo

Tracked since

Feb 2025

Aftersell Post Purchase Upsell

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.

Rating

4.9 / 1,720 reviews

Categories

Checkout - OtherUpsell and cross-sell

Developer

Rokt

Tracked since

Feb 2025

Rebuy Personalization Engine

Rebuy personalizes every step of the shopping journey with AI-powered upsells, cross-sells, and smart product discovery and merchandising tools. Our core packages — Cart & Merchandising, Checkout & Post Purchase, Search & Collections, and Flows & A/B Testing — help brands boost AOV and LTV. Plus, Rebuy Monetize unlocks new, incremental post-purchase profit! Convert more and grow faster with flexible no-code, low-code, and custom code solutions trusted by top Shopify stores.

Rating

4.7 / 953 reviews

Categories

Cart customizationUpsell and cross-sell

Developer

Rebuy

Tracked since

Feb 2025

Gorgias: AI Helpdesk & Chat

Gorgias brings customer service into one Shopify helpdesk. Manage email, live chat, social, SMS and voice in a unified inbox with order and customer history. AI Agent delivers AI customer support for FAQs and order questions, takes actions you control, and hands conversations to your team with context. Use AI Shopping Assistant to answer product questions and recommend products. Set your brand voice, build support workflows, and track team performance.

Rating

4.3 / 906 reviews

Categories

ChatHelpdesk

Developer

Gorgias Inc.

Tracked since

Feb 2025

Loop Subscriptions App

Turn one time buyers into loyal subscribers with powerful subscription tools built for fast growing brands. Launch dynamic discounts, flexible bundles, & frictionless checkout. Keep subscriptions customers longer with smart payment recovery, personalized cancel flows, and a gamified customer portal. Use analytics to uncover drop off points & revenue drivers. Scale faster with team permissions, bulk actions, automated workflows & build a box features all in one native subscription app experience.

Rating

5 / 905 reviews

Categories

Product bundlesSubscriptions

Developer

Loop Solutions Inc

Detected

March 27, 2025

Redo

Upgrade to Redo to transform your operations. Ditch old return methods that hurt profits and instead boost your sales and customer loyalty with return coverage and an exchange first experience. Streamline fulfillment with a smart shipping & fulfillment system. Increase customer satisfaction and repeat purchases by providing personalized customer support with AI and self-service flows. Drive customers to branded landing pages and promote upsells through order tracking and a full ESP.

Rating

4.9 / 889 reviews

Categories

HelpdeskReturns and exchanges

Developer

Redo Tech, Inc

Detected

May 20, 2026