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.

Go beyond Shopify's product variant limits. Let customers personalize with 30+ option types: text box, image/color swatches, file/image upload, date/time picker and more. Add price add-ons for engraving, gift wrap, rush processing and shipping protection. AI scan and template suggestions handle the setup, and you can now ask Shopify Sidekick about your option sets, conditional logic, plan features or help docs right in the Shopify admin. Fully compatible with Shopify Discounts at checkout.

Add “Notify Me,” “PreOrder,” or “Wishlist” buttons to out-of-stock product, home, and collection pages. Send auto restock alerts via email/SMS/push. Accept D2C/B2B pre-orders with discounts, notes, and partial payments. Show low stock with a “only X left” counter for FOMO and forecast inventory with low stock alerts. Wishlist lets shoppers save items and return later, boosting engagement and recovery. More presale, back in stock and wish list features with GDPR and details Inside Notify Me!™.

Increase AOV with a progress bar for free shipping, discounts and free gifts. Create multiple reward tiers based on cart value or item count, including Buy X Get Y / BOGO offers. Customize your progress bar with icons, reward labels, fonts and custom CSS for a unique look. Choose automatic discount creation or create your own discounts manually. Display it in your cart, product page or any custom position. Need help with design, placement or setup? Our responsive support team is here to help.

CWILL (SendWILL) helps Shopify merchants collect subscribers and run email marketing campaigns with popups, forms, and automations. Capture subscribers with email popups, exit-intent forms, newsletter signup forms, and spin-the-wheel offers. Email Shopify customers with welcome, abandoned cart, win-back, and post-purchase automations. Sync subscribers with Shopify Email, customize popups, and track performance. Previously known as Trustoo and EcomSend.