Top 20 Shopify Stock Alert Apps 2026

Notify! Back in Stock|PreOrder allows merchants to generate revenue from out-of-stock products by adding the "Notify me" or “PreOrder” widget to their pages. The app sends automatic notifications via email, text, or push, and offers customization options and AI suggestions, all supported by a dedicated success team. It also offers comprehensive reports on lost sales and recovered revenue and supports pre-orders with discounts, notes, and partial payments.

• Automatic Notifications: Send automatic alerts to customers via email, text, or push when products are back in stock.
• Customizable Widgets: Easily customize the "Notify me" or "PreOrder" widgets to match your store’s theme and add them to product, home, or collection pages.
• AI Suggestions: Get AI-driven suggestions to optimize sales and notifications, helping to recover lost revenue.
• Comprehensive Reports: Access detailed reports on lost sales and recovered revenue with reminders to convert customers.
• Pre-Order Options: Manage pre-orders with features like discounts, notes, and partial payments to enhance the pre-sale experience.

Based on app reviews, Notify! Back in Stock|PreOrder excels in its outstanding customer service and ease of use. Users highlight the responsive, knowledgeable, and helpful support team, mentioning specific representatives like Nareh, Delaram, and Miles. The app is praised for its seamless integration, customization options, and its ability to drive additional sales by keeping customers informed about restocked items and pre-orders.

Krtibite is an all-in-one marketing tool designed to help businesses recover lost sales through features like Back In Stock Alerts, Abandoned Carts, and price drop notifications via email and SMS. It offers customizable notifications, a "Notify Me" button for out-of-stock products, and insightful waitlist analytics to enhance your marketing strategy.

• Restock Alerts: Automatically sends back-in-stock email and SMS alerts to customers.
• Price Drop Alerts: Notifies customers when products they’re interested in are on sale.
• Out of Stock Waitlist: Provides analytics to identify high-demand products, facilitating strategic restocks.
• Grow Mailing List: Seamlessly integrates with your customer list for enhanced email marketing.
• Customizable Notifications: Offers full customization of the "Notify Me" button and notification templates to align with your brand.

The app's outstanding advantages, based on user reviews, include exceptional customer support, easy installation and integration with online stores, and a user-friendly interface that enhances store operations. Many customers praised the app's effectiveness in boosting sales and improving customer satisfaction. The responsive support team, particularly Sam, is often highlighted for their prompt assistance, ensuring a smooth user experience.

The Back In Stock - Restock Alerts App helps Shopify merchants recover lost revenue by instantly notifying customers via email or SMS when out-of-stock products are restocked. The app automatically tracks inventory and sends personalized notifications, making it easier to retain customers and boost sales without manual intervention. With customizable alerts and seamless integration, the app enhances customer engagement and provides valuable insights into product demand.

• Real-time Restock Notifications: Automatically notify customers the moment products are back in stock through email or SMS. 
• Customizable Alerts: Merchants can fully personalize notification templates to align with their branding. 
• Automated Workflows & Inventory Syncing: Syncs directly with Shopify’s inventory management system, ensuring product statuses are always up-to-date and notifications are sent automatically without manual checks.
• Customer Demand Insights: Provides reports on which products customers are waiting for, allowing merchants to forecast demand and make informed inventory decisions to optimize stock levels.
• Seamless Shopify Integration: Integrates effortlessly with your Shopify store, requiring minimal setup and no coding. 

Merchants using the Back In Stock app appreciate its ease of use, smooth setup process, and its ability to recover otherwise missed sales. The automatic notifications and customization features, paired with great customer support, make it a valuable tool for enhancing customer satisfaction and boosting revenue.

Appikon ‑ Back In Stock helps businesses automatically notify customers when previously out-of-stock products are available again. This enhances customer experience, boosts sales, and automates inventory management, with customized alerts and detailed reporting tools to understand demand effectively.

• Automatic Notifications: Instantly alerts customers through email and SMS when products are back in stock.
• Easy Setup: Quick, code-free setup in under two minutes ensures convenience for store owners.
• Customizable Design: Offers fully customizable signup forms and notifications compatible with all themes.
• Demand Analytics: Provides insights through analytics to understand customer demand for various products.
• Waitlist Generation: Ensures you capture future sales opportunities by generating waitlists for out-of-stock items.

The app's outstanding advantages include exceptional customer support and seamless integration into stores. Users highly appreciate the dedicated assistance in troubleshooting and customization, as evidenced by positive reviews praising the quick resolution of issues and personalized service even during peak times.

With Timesact Preorder, you don’t need to choose between a preorder or a back in stock notification. Offer both simultaneously to engage all customers. Transition seamlessly between product statuses, automate pre-order emails & restock alerts, and manage order tags and shipping dates. With no code added to your theme files and 24/7 support, it’s easy to start right now.

• Complete Transition Management: Shift effortlessly from product drop to presale, in-stock, backorder, and sold out, ensuring continuous customer engagement.
• Email & Alert Automation: Automate pre-order emails, restock alerts, and order tags to save time and enhance customer communication.
• Inventory-Based Controls: Turn pre-orders and restocks on/off based on inventory levels, maintaining efficient stock management.
• Guided Setup Call: Get a 30-minute guided setup call on Zoom or Google Meets with a human specialist.
• No Theme Code Required: Implement the app with no code added to your theme files, ensuring a seamless integration experience.

The app's outstanding advantages include exceptional customer service praised across numerous reviews for quick responsiveness and effective support, making the setup process stress-free. Users consistently highlight the app’s functionality in managing pre-orders and restocks, and the advantage of combining multiple features in one tool. Testimonials also frequently mention the value of personal support specialists like Jolo, who provide helpful guidance, making users feel confident and efficient in using the app. Customers find the app reliable, effective, and well worth the investment.

PreOrder Globo | Back in Stock is a powerful Shopify app designed to streamline pre-order management and back-in-stock notifications. It offers a range of features that provide seamless integration, customization, and enhanced customer communication.

• Pre-order Configuration: Easily set up pre-orders based on inventory levels, and start/end dates, and automate order tagging and emails.
• Back-in-Stock Notifications: Automatically notify subscribed users when out-of-stock products become available again.
• Customizable Pre-order Button: Enable pre-order buttons for out-of-stock or any product on Shopify with ease.
• Partial Payment Options: Offer partial payments and automatic discounts for pre-orders, presales, and back orders.
• Customer Support: Exceptional support service with quick response times, helping resolve issues promptly and efficiently.

The app's outstanding advantages lie in its ease of setup, high level of customization, and exceptional customer support. Reviews consistently highlight the app's ability to handle pre-orders seamlessly and the exemplary service provided by the support team, particularly praising their prompt and effective problem-solving, as well as their willingness to assist with specific requests or customizations.

StokUp Notify me Back in Stock simplifies inventory management by enabling automatic customer notifications when products are restocked. The app easily integrates into Online Store 2.0 with no coding required, and features customizable email templates to re-engage customers and recover lost sales.

• One-click setup: Easily integrate the app without any coding, including seamless support for Online Store 2.0.
• Automatic notifications: Send immediate email or SMS alerts to customers when desired products are back in stock.
• Customizable email templates: Design and personalize email notifications to enhance customer engagement.
• Multilingual support: Offer templates in multiple languages to cater to a diverse customer base.
• 24/7 support: Access start-up friendly, around-the-clock live chat support for any concerns.

The app stands out with its exceptional customer service and a user-friendly interface that receives high praise for its customizable features. Users appreciate the quick and helpful responses to inquiries, enhancing their integration and overall experience. Rated 5/5 for excellent functionality and support.

Essential Preorder & Presale makes it effortless to handle pre-orders, presales, waitlists, and delayed payments, allowing businesses to boost sales and capture customer demand even when items are out of stock. The app enables you to add a "Preorder Now" button, manage partial payments, and customize presale campaigns to keep customers engaged, smoothly transitioning to normal sales post-restock with attractive pricing displays.

• Preorder and Backorder Capability: Effortlessly accept pre-orders and back orders for out-of-stock products to maintain continuous sales.
• Customization Options: Customize the "Preorder Now" button and widget to align with your store's aesthetic.
• Partial Payment Management: Manage partial payments via deposits, deferred payments, and split payment schedules with ease.
• Preorder and Stock Management: Set limits on pre-orders and backorders to balance stock levels and customer demand.
• Presale Discounts: Offer presale discounts with strike-through pricing to attract and retain customer interest.

According to user reviews, Essential Preorder & Presale stands out for its user-friendly interface and robust functionality that seamlessly boosts sales through efficient pre-order processes. Users particularly praise the app for its smooth operation and customizable design, which fits well into various store styles. Additionally, the outstanding support team, mentioned multiple times for their quick and effective assistance, greatly enhances the overall user experience, making the app highly recommended for effective preorder management.

Ordersify: Restocked Alerts allows you to seamlessly send restock notifications to customers and organize pre-order and coming-soon campaigns. Additionally, it automates alerts and email reports on low-stock products, helping to save time and inform customers about inventory levels with product badges.

• Restock Notifications: Send timely restock notifications to your customers to keep them updated.
• Pre-order and Coming-soon Campaigns: Easily set up and manage campaigns for pre-order and coming-soon products.
• Automated Alerts and Reports: Receive automated email alerts and reports about low-stock and out-of-stock items.
• Low-stock Bar: Display a low-stock indicator to let customers know the current inventory levels.
• Product Badges: Use product badges to show item statuses, such as "coming soon", "pre-order", "out of stock", and "low stock".

The app's outstanding advantages include highly responsive customer service, quick integration into your e-commerce platform, and efficient problem-solving. User reviews highlight the rapid response time and effective support, even during weekends.

Swym Back in Stock Alerts enables online retailers to easily add a "Notify me" button for automatic back in stock notifications via email or SMS. It helps maximize sales by capturing interest through preorders and provides in-stock recommendations using AI. The app integrates seamlessly with your site, customizing to your theme and automates notifications through your preferred platform.

• Quick Integration: Go live in just 5 minutes with seamless integration in any language to match your website's theme.
• Automatic Notifications: Automatically sends restock alerts via email and SMS to notify customers when their desired products are available again.
• Demand Capture: Enhance sales potential by allowing preorders and running targeted retargeting ads on platforms like Facebook and Instagram.
• Advanced Inventory Control: Utilize features like batch alert sending, coming soon alerts, and detailed analytics to monitor popular products and manage inventory effectively.
• AI-Powered Recommendations: Present AI-driven in-stock recommendations to customers when their preferred products are out of stock.

The app's outstanding advantage is its exceptional customer support and ease of use, often highlighted by users in reviews. Customers appreciate the quick response and assistance from the Swym team, especially during integration and troubleshooting, significantly enhancing user experience and satisfaction.

Prevent "out-of-stock" from leading to lost sales. With PreOrder Now buttons, you can keep your customers excited and ready to buy even before your products are available. Ideal for print-on-demand stores, this app helps you gauge interest in new designs without the risk of holding inventory, manage demand spikes smoothly, and offer special discounts for preorders. Start capturing sales before items are in stock and create buzz for new launches effortlessly. Set up a preorder badge in minutes.

• Mixed Cart Alerts: Alerts when both preorder and in-stock items are in the cart.
• PreOrder Discounts: Apply automatic discounts to preorders like the pros.
• Partial Payments: Collect partial payments and retrieve the balance before shipping.
• Stylish Badges: Add stylish preorder badges over product images on product pages.
• Back in Stock Notification: Send automated back-in-stock email notifications.

The app is highly praised for its outstanding advantages. Users appreciate the exceptional support team, noted for their quick and effective responses, even resolving issues at odd hours. The convenience of capturing sales before items are in stock and the app's robust functionality have garnered rave reviews, emphasizing its role in preventing missed sales opportunities and maintaining customer excitement.

Automatic Back in Stock Notifications: Send instant notifications via email, text, and push notifications the moment products are restocked.

Customizable Notify Me Buttons: Quickly set up and tailor restock notification buttons to match your brand guidelines, ensuring a seamless customer experience.

Comprehensive Sales Analysis: Analyze sales data for popular out-of-stock items to better forecast demand and make informed inventory decisions.

PD: Back in Stock on WhatsApp provides seamless back-in-stock notifications to customers via WhatsApp, offering higher open rates and better conversions than email alerts. The app enhances the shopping experience with customizable notifications through a straightforward, privacy-first approach.

• WhatsApp Alerts: Instant restock notifications delivered through WhatsApp enhance customer engagement with higher open and conversion rates compared to email.
• Customizable Notifications: Tailor the Notify me button to align with your store's theme and language for a seamless integration.
• Size and Variant Specificity: Send alerts for specific product sizes and variants, ensuring accurate and relevant notifications for customers.
• Branding Options: Integrate your branding by using your own WhatsApp number to send notifications, fostering brand identity.
• Easy Setup: Add the Notify me when available button in minutes, allowing effortless creation of out-of-stock waitlists.

PD: Back in Stock on WhatsApp receives outstanding reviews for its simplicity, effectiveness, and excellent customer service. Users appreciate the ease of use, proactive customer support, and the ability to customize the app to meet their specific needs, resulting in a highly recommended and reliable tool for online retailers.

Pre order app by prequik helps customers to pre-order the products and ensures that they are notified when the product becomes available for purchase. Customers can place orders for products they want even before they are officially released, which can help them to avoid missing out on popular products. Additionally, the app also helps businesses to manage inventory effectively and avoid overselling, reducing the risk of cancelled orders.

• Enable Pre order, Backorder & Coming Soon: Provides options for customers to pre-order or backorder products not currently in stock, and notify them when items are coming soon.
• Inventory Management: Helps businesses manage inventory effectively and avoid overselling, reducing the risk of cancelled orders.
• Partial Payment & Discount: Offers options for partial payments and discounts to incentivize pre-orders.
• Personalized Product Messages: Maximize revenue with pre-orders and personalized product messages that drive sales.
• Anticipation Building: Replace the buy now button with a coming soon message to build anticipation for new products.

The PreOrder Now & Pre order | PQ app has outstanding reviews. Users appreciate its ease of use, excellent customization options, and seamless integration with stores. Many commented on its reliable performance and noted superb customer support that resolves issues quickly. The app significantly boosts sales by allowing pre-orders and efficiently manages inventory, making it highly recommended for online businesses. Additionally, it’s free and supports branding removal, adding to its appeal.

K:PreOrder Now+Partial Payment is a comprehensive pre-order management app designed for Shopify stores. It allows merchants to drive anticipation with presale events and keep customers informed throughout the preorder process from deposit to full payment. The app simplifies the pre-order signup for notifications and helps manage orders effectively.

• Pre-Order & PreSale Buttons: Continue selling out-of-stock products with intuitive buttons, ensuring no missed sales.
• Preorder Notify Feature: Keeps customers updated about product availability and status, enhancing user experience.
• Order Waitlists: Create waitlists and manage preorders efficiently, so customers can sign up for notifications on back-in-stock products.
• Deposit & Prepay Options: Offers flexible payment solutions, including preorder deposits and full prepayments.
• Easy Integration: Seamlessly integrates with Shopify, simplifying setup and management of preorders.

The app's outstanding advantages, as highlighted by reviews, include its simplicity and ease of setup, as well as exceptional customer support. Users commend the app for its robust features and the quick assistance provided by the support team, making the experience smooth and efficient.

The Doran Back in Stock | Preorder app is designed to help businesses maximize sales opportunities by notifying customers when products are restocked, offering special discounts, and simplifying inventory management. It provides features like automated notifications and customizable campaigns to keep customers engaged and ready to purchase, streamlining operations and enhancing customer satisfaction.

• Automated Notifications: Sends back-in-stock alerts to keep customers informed and engaged.
• Preorder Campaigns: Launches preorder options with deposits or prepaid choices to build anticipation and boost sales.
• New Product Announcements: Creates coming-soon campaigns that generate buzz for upcoming items.
• Daily Low Stock Reports: Provides proactive inventory management to avoid stockouts.
• Customizable Templates: Offers fully customizable email templates and app appearances to match brand aesthetics.

The app's outstanding advantages include its comprehensive features and customization options, making it easy to tailor to specific business needs. Users praise the app for its robust functionality, top-notch customer support, and the ability to simplify complex inventory management tasks. Many reviews highlight the responsive and effective support team, particularly Andrew, who ensures swift resolution of queries and continuous improvements, making this app a standout choice for Shopify store owners.

Preorder Wolf | Pre order now allows store owners to manage and facilitate preorders for their products, ensuring clear communication with customers about delivery expectations and keeping sales going even when stock levels are low.

• Flexible Preordering: Enable preorders for specific products, variants, collections, or all products based on inventory status.
• Conditional Settings: Configure preorders to activate automatically when stock levels are low or based on incoming inventory, and set start and end dates.
• Inventory Management: Limit the number of preorders accepted to manage expectations and supply appropriately.
• Enhanced Communication: Display delivery messages on the product, cart, and checkout pages to keep customers informed.
• No Coding Required: Easy setup without the need to alter your theme, with 24/7 support available.

Preorder Wolf stands out for its ease of use, flexible customization, and exceptional customer service, particularly highlighted by the repeated praise for Eva and her team who go above and beyond to assist users. The app's ability to manage pre-orders automatically and the dedicated support team make it a top choice for store owners looking to boost sales and manage inventory efficiently.

Alert Me! Restock Alerts is an app designed to automatically send real-time notifications to customers when their favorite products are restocked, allowing them to sign up easily for unlimited alerts. This effortless feature boosts sales by notifying customers about products they love.

• Hands Free: Trigger restock alerts without any manual intervention, allowing a set-and-forget approach.
• Real-time: Instantly sends restock alerts to customers, boosting sales as soon as products become available.
• Customizable: Easily customize the alert colors to align with your brand’s aesthetics.
• Cool Analytics: View analytics on the most requested out-of-stock items to better plan your inventory.
• 5-Star Support: Dedicated support team ready to assist with setup and growth strategies for your business.

The app's outstanding advantages include its simplicity in setup and operation and the efficient support service that ensures an easy transition to use. Users appreciate its cost-effectiveness and ability to deliver impactful results with insightful dashboard statistics.

Wishlist Club is a versatile app designed to empower customers by allowing them to save their favorite products for future purchases. It aims to enhance sales with features like Guest, Multiple, and Share Wishlists, and drive up order revenue with Price Drop, Re-stock, and Back in Stock alerts. Furthermore, the app offers Auto Email Reminders and insightful analytics for better management.

• Guest, Multiple, and Share Wishlists: Enable customers to manage their product preferences in flexible ways, boosting customer engagement and potential sales.
• Price Alerts and Notifications: Keep customers informed and entice them to return with Price Drop, Re-stock, and Back in Stock alerts.
• Automated Email Reminders: Enhance Average Order Value (AOV) by sending reminders about wishlist products, encouraging purchases.
• Insightful Analytics: Offer valuable insights into customer behavior and wishlist trends for smarter product management.
• User-Friendly Integration: Easy integration with various storefronts, ensuring a seamless experience with minimal technical expertise required.

The app's outstanding advantages, as echoed in its reviews, include exceptional customer support and customization capabilities. Users commend the app for its easy setup, comprehensive functionality, and fast, responsive assistance, making it a top choice for those seeking a reliable and customizable wishlist solution.