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Top 10 Shopify Stock Alert Apps 2025 to Prevent Sell-Outs & Keep Customers Informed

Mar-25-2025

Running out of stock can lead to lost sales and disappointed customers. The top Shopify stock alert apps help merchants monitor inventory levels and notify customers or staff when product quantities are low or replenished. With real-time alerts, automation, and back-in-stock notifications, you can avoid overselling and ensure shoppers never miss their chance to buy.

Best Stock Alert Apps for Shopify in 2025

2,700 Reviews
Kbite Back In Stock Notify Me cover

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.

2,322 Reviews
Notify! Back in Stock|PreOrder cover

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.

    1,953 Reviews
    Appikon ‑ Back In Stock cover

    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.

    1,561 Reviews
    Preorder, Back In Stock ‑ Stoq cover

    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.

    1,522 Reviews
    WOD: PreOrder Now cover

    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.

    739 Reviews
    Ordersify: Restocked Alerts cover

    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.

      519 Reviews
      ES Back in Stock Notify Me cover

      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.

      By Script Engine

      • $4.99-$14.99 / Month
      332 Reviews
      SE Wishlist Engine cover

      Wishlist Engine is a versatile app designed to enhance e-commerce user experience by offering features like product wishlists, auto email alerts, price drop notifications, and guest wishlist capabilities. It assists customers in saving their desired products and enables merchants to analyze wishlist data to boost sales.

      • Product Wishlists: Allows customers to save multiple items, making it easy for them to revisit their favorite products.
      • Auto Email Alerts: Sends automatic emails to remind customers of their wishlist items, helping convert interests into sales.
      • Guest Wishlist: Enables users to create wishlists without needing an account login, enhancing user accessibility.
      • Analytics & Reports: Provides detailed reports on most saved products and user preferences to help merchants optimize sales strategies.
      • Seamless Integration: Easily integrates with e-commerce platforms, allowing for smooth user experience and setup.

      App reviews highlight Wishlist Engine's exceptional support service, which is quick, responsive, and highly efficient in resolving setup issues. Users praise its seamless integration and user-friendly interface. The app stands out for its affordable pricing, effective functionality, and the remarkable customer care that goes above and beyond typical expectations, setting a new standard in customer satisfaction.

      Conclusion

      Staying ahead of inventory issues is key to maximizing sales and customer satisfaction. These top Shopify stock alert apps in 2025 help you track low-stock items, automate alerts, and keep your operations running smoothly.

      Explore these apps and unlock exclusive deals on Taranker to upgrade your inventory alert system today!

      Lucy Quach
      Lucy Quach
      Lucy, the Marketing Manager at Taranker, brings a wealth of expertise in digital marketing and customer engagement. With over a decade of professional experience across diverse industries, Lucy has honed her skills in full-stack marketing, affiliate management, and community growth.
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