Castro's Corner

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

4.7 / 10,318 reviews

Categories

DropshippingPrint on demand (POD)

Developer

Printful Latvia AS

Tracked since

Feb 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

4.5 / 4,954 reviews

Categories

Email marketingSMS marketing

Developer

Klaviyo

Tracked since

Feb 2025

Kiwi Size Chart & Recommender

When customers aren't sure about sizing, they hesitate, or return their order, which gets costly during the holidays. Kiwi helps you remove that uncertainty with customizable size charts and AI-powered fit recommendations that guide shoppers to the right choice. The result? More confident purchases and fewer returns. Add size charts and smart recommendations to any product, from apparel to more. No code, quick setup. Launch in minutes and create a sizing experience that matches your brand.

Rating

4.8 / 2,504 reviews

Categories

Product comparisonProduct variants

Developer

Staytuned

Tracked since

Feb 2025

Amp Back in Stock & Preorder +

Hundreds of millions of alerts delivered across 25,000+ brands. Don't let out-of-stock products drive customers away. Auto-notify shoppers the moment items are back in stock via email, SMS, and push. Pre-sell and preorder collections before they drop. Create urgency with Low Stock badges. Replace "Out of Stock" with customizable buttons that match your brand, device, and language. Built for high-SKU catalogs to boost cash flow fast. Integrate with Claude/ChatGPT to make better buying decisions.

Rating

4.8 / 1,155 reviews

Categories

Email marketingStock alerts

Developer

HEL SG PTE LTD

Tracked since

Feb 2025

Preorder Wolf | Pre order now

While setting the correct expectations with your customers regarding when will they get their order. You can enable Preorders for specific products/variants, Collections or All Products. You can also conditionally enable/disable preorders based on whether something is in stock or out of stock or if you have incoming inventory. Limit the number of preorders you wanna accept or Show a delivery text on product, cart, checkout page. This can be used, as follows:

Rating

4.9 / 803 reviews

Categories

Pre-ordersStock alerts

Developer

Boss Apps

Tracked since

Feb 2025

SC Conjured Referral Program

Unlock the potential of referrals with SC Conjured Referrals. Our platform bridges the gap between your brand and potential customers, leveraging the trust of your existing clientele. Reward effortlessly with auto-coupons and captivate customers using post-purchase popups. Grow your audience with newsletter rewards. Ensure authentic referrals with fraud detection. Tailor the experience with styling and customizations. Reward with free gifts and gift cards.

Rating

4.9 / 256 reviews

Categories

Affiliate programsLoyalty and rewards

Developer

Shop Circle

Tracked since

Feb 2025