Boost your AOV with the Essential Upsell app, offering customizable product upsell & cross-sell & "add to cart" widgets. Display frequently bought together (FBT), related products & product addons on product page & cart drawer. Create upsell and cross-sell strategies with "also like" product recommendations, product bundles, buy x get y & one-click upsells. Offer post purchase upsell discounts & automatic promotions to drive conversions with recommended products & cart frequently bought items.

Sales Countdown timer app is a new secret method to boost your sales! Sale timer triggers urgency, scarcity and fomo, driving your customers to Buy NOW, instead of "Buy Later". Wanna sell more? Use this app every day, or use it for specific days (promotion, pre-orders, product launches, flash sale, holidays). Time clock is perfect for the best results during Black Friday, Cyber Monday & beyond. Just click 'Install' and join merchants who use this app to make more money.

The custom rules builder allows you to set specific conditions for checkout. For example, you can control the number of items customers can buy, require certain customer or product combinations, restrict product availability to logged-in users, and implement checks based on product details, variant, collection and cart.

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. 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.