Best Stock alerts Shopify apps in 2026 [Updated]
PickYourApp Review Team
6 min read
•
Jan 16, 2026
The Best Shopify stock alert apps help merchants manage inventory effectively while maximizing sales opportunities. From low stock counters and product labels that create urgency to back-in-stock notifications and preorder systems, these tools ensure you never miss a sale due to inventory issues. Whether you need automated stock level badges, waitlist management for out-of-stock items, or preorder capabilities with partial payments, these apps provide essential features to keep customers informed and engaged throughout their shopping journey.
-
#1. Notify Customers with Restock Alert when items are back in stock & make out-of-stock waitlist
Never miss a sale with Kbite's comprehensive back in stock notification system. When items are out of stock, customers can click the "Notify Me" button to join the waitlist and receive automatic restock alerts via email or SMS. Track product demand through detailed waitlist analytics and grow your marketing list simultaneously. The app also sends price drop notifications to alert customers about sales. Customize notification templates, button appearance, and automated messages to match your brand. Perfect for managing out-of-stock products, recovering potential sales, and keeping customers informed when items become available again. Seamlessly integrate customer data with your email marketing for better engagement and increased sales conversion.Install from Shopify App Store
-
#2. Sell preorder & backorders with partial payments. Send Back in stock alerts on restock to waitlists!
STOQ helps you manage out-of-stock products with two key features: preorders and back-in-stock notifications. Set up preorder buttons to accept deposits or partial payments for upcoming inventory, or create waitlists with "Notify Me" buttons for restocks. When items return to stock, automatic email and SMS alerts go out to interested customers. The app works across multiple store locations and markets, syncs with Klaviyo for email marketing, and provides detailed analytics. Customize button designs, alert messages, and payment options to match your brand. Get 24/7 support to help maximize preorder revenue and turn out-of-stock disappointments into future sales. Perfect for presales, backorders, and building customer waitlists while growing your mailing list.Install from Shopify App Store
-
#3. Notify Me! for back in stock alert, backorder, out of stock waiting list, low stock alert & wishlist
Never miss a sale with Notify Me! Add "Notify Me," "PreOrder," or "Wishlist" buttons to your out-of-stock products. Customers can join waiting lists and receive automatic restock alerts through email, SMS, or push notifications. Handle both D2C and B2B pre-orders with custom options like discounts and partial payments. Create urgency with "only X left" counters and manage inventory with low stock alerts. The wishlist feature helps shoppers save items for later purchase, improving return visits. Works seamlessly with your existing tools for back-order management and includes multilingual support. Get dedicated customer support via chat, phone, or email to help set up your back-in-stock notification system.Install from Shopify App Store
-
#4. Capture Presales & Build Waitlists with Pre orders, Restock Alerts & Back in Stock Notifications
Timesact Preorder helps you capture presales and build waitlists for your store. Create pre-orders for new product launches and sold out items so you never miss a sale. Add preorder buttons and back in stock notifications to product pages to keep customers engaged. The app lets you collect partial payments on pre orders, with the rest due on the shipping date. Send automated restock alerts and back in stock emails to customers waiting for products. Control inventory levels to turn pre-orders on or off automatically. Features include presale order limits, automatic discounts, order tagging, stylish preorder badges, countdown timers, and coming soon product tags. Set up is easy with guided onboarding through video call support, plus email and chat help when you need it.Install from Shopify App Store
-
#5. Powerful solution for: pre-order, restock alert, coming soon, presale, backorders
This pre-order and back-in-stock solution helps you manage product presales and restock notifications effectively. Set up pre-orders automatically based on inventory levels or schedule them with custom start/end dates. The app adds helpful order tags like "preorder" and "shipping date" while sending confirmation emails to buyers. Customers can subscribe to receive back-in-stock alerts when sold-out items become available again. Features include partial payment options, customizable delivery notes, automatic discounts on pre-orders, and a "Notify Me" button for out-of-stock products. The app makes it simple to handle backorders and recover potential lost sales by keeping customers informed about product availability.Install from Shopify App Store
-
#6. Run pre-orders, presale with partial payments. Capture out-of-stock demand with back in stock alerts
This app lets you set up pre-orders and presale campaigns for out of stock, coming soon, and made to order products. Customers can pay in full or choose partial payment options including deposits, split payments, and deferred payment schedules. Capture demand with back in stock alerts using a customizable Notify me button and restock alert forms. The app sends automatic email notifications when items are restocked. You can fully customize the Preorder Now button and widgets to match your store theme across product pages, collections, search results, and Quick Buy. Control preorder inventory, manage backorders, and set order fulfillment rules. Works for both DTC and B2B stores with 24/7 human support included. Perfect for running restock waitlists and handling back order flows throughout your store.Install from Shopify App Store
-
#7. Ordersify with restock alerts, out-of-stock reports, low-stock alerts
Ordersify helps you manage inventory and keep customers informed with automated restock notifications. When items come back in stock, customers receive branded emails through your domain. The app provides detailed low-stock and out-of-stock reports, while displaying inventory status badges on product pages. Customers can see real-time stock levels through a convenient low-stock bar. Supporting multiple warehouse locations and available in 10+ languages including English, Chinese, German, Japanese, and Italian, Ordersify makes inventory management simpler. Get instant alerts for low stock items and daily notifications when products are restocked, ensuring you stay on top of your inventory while keeping customers in the loop.Install from Shopify App Store
-
#8. Recover sales with AI back-in-stock email & SMS alerts, popups, forms, and product page sections.
SendWILL Back In Stock helps you recover lost sales with AI-optimized back-in-stock alerts via email and SMS. The AI analyzes restock quantities, subscriber demand, and conversion rates to send notifications at the optimal time and volume for maximum conversions. The app includes customizable popups, forms, sold out badges, and native product page sections for Online Store 2.0 themes. Display back-in-stock buttons on out-of-stock product and collection pages to capture customer interest automatically. Merchants can freely edit email templates using block sections, choose from multiple language templates, and set up inventory alerts per warehouse or location. Quick setup with 24/7 live chat support ensures you're ready to notify customers and recover sales immediately.Install from Shopify App Store
-
#9. Preorder Wolf lets you accept orders for products you don't have at hand right away.
Accept preorders for products that aren't currently in stock with Preorder Wolf. This practical app lets you manage preorders across specific products, variants, or entire collections while clearly communicating delivery expectations to customers. Set preorder limits, display delivery information on product pages, cart, and checkout, and automatically enable preorders based on stock levels or incoming inventory. Perfect for selling products before release, testing market demand without holding inventory, or managing made-to-order items and crowdfunding campaigns. Keep selling even when items are temporarily unavailable, helping maintain sales momentum and customer satisfaction. The app integrates smoothly with your store theme and includes 24/7 support - no coding knowledge needed.Install from Shopify App Store
-
#10. Grow sales with pre-order, backorder. Add out of stock waitlists with 'notify me' & restock alerts.
Never miss a sale opportunity with this easy-to-use pre-order and back in stock management app. Set up pre-orders to capture sales even when products are temporarily out of stock, and create waitlists with a simple "Notify Me" button for sold-out items. The app automatically sends restock alerts to interested customers when products become available again. Working at the variant level, you can manage backorders, presales, and stock notifications for specific product options. Get started in minutes with help from our 24/7 live chat support team who are ready to assist you every step of the way.Install from Shopify App Store