The Happiness Project

Printful: Print on Demand

Looking to start a printed or embroidered t-shirt business? Or sell wall art or blankets from the comfort of your home? Do it with Printful—we’re a print-on-demand dropshipping supplier ready to support you every step of the way and take care of the boring stuff (you know, like fulfillment). We’ll print, package, and ship your products to your customers. It’s time for you to take full control of your ideas, time, and finances—start or expand your existing online business with Printful!

Rating

4.8 / 10,334 reviews

Categories

DropshippingPrint on demand (POD)

Developer

Printful Latvia AS

Tracked since

Oct 2025

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 / 4,973 reviews

Categories

Email marketingSMS marketing

Developer

Klaviyo

Tracked since

Oct 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 / 4,239 reviews

Categories

Pre-ordersStock alerts

Developer

Artos Software

Detected

May 28, 2026

Upsell & Cross Sell — Selleasy

High-conversion one click upsell & post purchase upsell app. Bundle frequently bought together products & addons to increase AOV. Use in cart upsell, cross sells & automatic product recommendations for complementary products on product page & cart drawer. Checkout upsell extensions & discount functions for bundling accessories. Mobile-responsive upsell funnel with thank you page & pop up upsell offers works with any theme to boost conversion rates in multi-language & multi-currency stores.

Rating

4.9 / 3,528 reviews

Categories

Product bundlesUpsell and cross-sell

Developer

Logbase

Detected

September 4, 2026

Sami AI Product Labels & Badge

Create high-converting product labels and trust badges that make shoppers notice, trust, and buy faster. Use AI to generate or edit badges for sales, low stock, new arrivals, best sellers, free shipping, secure checkout, and more. Show badges automatically by product, collection, tag, stock, price, vendor, or schedule. Customize styles to match your brand and launch campaigns quickly without coding or design skills.

Rating

5 / 1,495 reviews

Categories

Badges and iconsPromotions - Other

Developer

SamiSales by Samita

Detected

October 6, 2026

Ordersify: Restocked Alerts

With Ordersify, you can easily send restock notifications to customers. We also send automated alerts and email reports about low-stock and out-of-stock products, saving you time. The low-stock bar helps customers to know exactly how many products are in the inventory. In addition, product badges allow users to see the status of items, such as "out of stock" and "low stock."

Rating

4.9 / 787 reviews

Categories

Stock alerts

Developer

Ordersify

Tracked since

Oct 2025