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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 / 5,022 reviews

Categories

Email marketingSMS marketing

Developer

Klaviyo

Tracked since

Nov 2025

Preorder, Back In Stock ‑ STOQ

Use STOQ's Preorder or Notify Me button to create waitlists for out of stock products. Offer pre-order, backorder, presales with deposits or partial payment and unlock preorder revenue today. Or send back in stock when you restock via email/SMS automatically. Customize everything with 24*7 help. With STOQ, send back in stock alerts and get preorders with many features built for you - multiple locations, Klaviyo sync & back in stock emails, analytics, markets, reminder alerts & more!

Rating

5 / 4,300 reviews

Categories

Pre-ordersStock alerts

Developer

Artos Software

Detected

March 9, 2026

Swym Wishlist Plus

Wishlist Plus enables your shoppers to save favorites and return to them later. Comes with powerful APIs to customize wishlists and integrates with leading email services to send price drop and restock alerts. Helps shoppers organize products into multiple wishlists and share them via emails, SMS, and socials. Supports anonymous wishlists. Comes with detailed reports on shopper behavior. Includes a new Customer Accounts extension for easy tracking of all wishlists and browsing activity.

Rating

4.7 / 2,569 reviews

Categories

Selling in person - OtherWishlists

Developer

Swym Corporation

Tracked since

Nov 2025

Sauce: Instagram, TikTok & UGC

Growing sales through social shouldn’t be hard. Sauce takes care of the heavy lifting - turning Instagram & TikTok into high-converting shopping experiences, leveraging UGC and influencer partnerships to build trust and drive revenue.

Rating

4.6 / 933 reviews

Categories

Social proofVideo and livestream

Developer

Sauce Social Commerce

Detected

October 28, 2026

Swym Back in Stock Alerts

Add a "Notify me" button in minutes to enable automatic back in stock email or SMS alerts when you restock. Maximize sales by capturing demand before you have inventory with the preorder feature. Show AI powered in-stock recommendations for out of stock products. Customize to match your site’s theme. Automate back in stock and restock alerts via your ESP or SMS platform. Advanced inventory control capabilities like batch alert send, coming soon alerts and analytics to track popular products.

Rating

4.5 / 679 reviews

Categories

Email marketingStock alerts

Developer

Swym Corporation

Tracked since

Nov 2025

LPO Live Product Options

Add custom product options and variant options without the 3-option limit: text, dropdown, swatches, file upload, date picker, dimension inputs. Replace existing product variant options with image swatches. Create custom pricing with add-ons, price formulas, and tiered discounts. Preview options live on the product page, and show image uploads and text inputs on the product image. Most themes are supported and we provide excellent theme support and customer support.

Rating

4.8 / 470 reviews

Categories

Product variants

Developer

Cloudlift

Tracked since

Nov 2025