Set up pre orders, presale or Back in Stock campaigns for out of stock, coming soon and made to order items. Offer pay in full, partial payment, split payment & deposit with payment schedule. Customise the preorder widget, Preorder Now button and Notify me form on product, collection, search & Quick Buy. Prevent mixed carts, run preorders for Shopify Markets, control inventory & fulfillment rules. Works with Shopify Flow. 24/7 support for B2B preorders and back order flows.

Calendly for Shopify: Turn anything into a bookable service and start selling within minutes—no tech knowledge required. BookThatApp booking app lets you add custom questions to booking forms, send email or SMS reminders, and schedule bookings with Google Calendar, Outlook, iCal, Zoom, and more. Whether you're a tour provider, hotel, event organizer, class instructor (yoga, music, etc.), or rental business (dress rentals, boat rentals), BookThatApp manages all your appointment scheduling needs.

Essential is a loyalty program and rewards app built for repeat purchases, retention, and ROI you can measure. Customers earn loyalty points or store credit cashback for orders, signup, birthdays, and reviews, then redeem rewards in one click — no coupon codes. Grow sales with a referral program, affiliate links, VIP tiers, and Shopify POS for in-store loyalty. Automatic emails remind members about points and expiring rewards. Measure the revenue your loyalty program drives. Live in minutes.

Create unlimited custom forms in minutes with a drag-and-drop form builder. Add custom fields: dropdowns, checkboxes, date pickers, file uploads & GDPR checkbox. Use conditional logic to show/hide fields based on answers, or to build multi-step forms. Style forms with custom CSS, embed inline, as a popup or bubble — mobile-responsive. Block spam with reCAPTCHA, send auto-response emails, track submission analytics & export to CSV. Integrates with Klaviyo, Mailchimp, Omnisend & Shopify Flow.

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.