Top 24 Stock Alerts Apps for Shopify Stores in 2026

Notify Customers with Restock Alert when items are back in stock & make out-of-stock waitlist

What merchants say: Merchants highly recommend this app for its ability to automatically notify customers when items are back in stock, boosting sales and reducing manual effort. They appreciate its seamless Shopify integration, customizable notification buttons, and reliable performance across product variants. The option for tailored email/SMS alerts enhances customer engagement. Exceptional, responsive customer support further elevates the user experience.

3,282 reviews given by store owners

Notify Me! for back in stock alert, backorder, out of stock waiting list, low stock alert & wishlist

What merchants say: Merchants highly recommend this app for boosting customer engagement and sales with its notification features for back-in-stock and pre-order items. They value its user-friendly setup, seamless Shopify integration, and versatile notification options including email, SMS, and push alerts. The consolidation of pre-orders, alerts, and wishlists into one platform, reliable performance, and responsive customer support for customization and troubleshooting are also highlighted as significant benefits.

2,913 reviews given by store owners

Sell preorder & backorders with partial payments. Send Back in stock alerts on restock to waitlists!

What merchants say: Merchants highly recommend this app for its effective back-in-stock notifications and pre-order management, noting it helps capture sales and streamline demand. They praise its easy setup, user-friendly interface, and seamless Shopify integration. The customizable features align well with various branding needs. Merchants also commend the reliable performance and responsive support team, which efficiently resolves issues, enhancing business operations significantly.

2,696 reviews given by store owners

Capture Presales & Build Waitlists with Pre orders, Restock Alerts & Back in Stock Notifications

What merchants say: Merchants highly recommend this app for its robust pre-order management features, including "notify when back in stock" and "pre-order and save." They appreciate its user-friendly interface, seamless Shopify integration, and customizable customer communications. The support team is praised for their quick and effective assistance through real-time chat and virtual meetings, enhancing inventory management and customer service.

1,749 reviews given by store owners

Powerful solution for: pre-order, restock alert, coming soon, presale, backorders

What merchants say: Merchants appreciate this app for its user-friendly interface and easy setup, suitable for all technical levels. It offers excellent customer support, robust customization options, and seamless integration with themes and apps. The cost-effective pricing, including a free option, makes it ideal for small businesses. Additional features like multiple language support and back-in-stock notifications enhance its utility for international stores.

1,631 reviews given by store owners

Create waitlists and recover lost sales with automatic and back in stock alert & restock alerts!

What merchants say: Merchants highly recommend this app for boosting sales through automated back-in-stock notifications, tailored to customer demand and stock levels. It integrates smoothly with Shopify themes, offering customization options and reliable performance. The support team is noted for being responsive and helpful in resolving issues related to integration and customization. Additionally, the app provides useful analytics for informed restocking decisions.

1,422 reviews given by store owners

Enable preorders fast. Keep selling out of stock items and capture revenue early with pre order now.

What merchants say: Merchants highly value this app for its effective pre-sale management and cash flow maintenance during stock shortages. It is praised for its ease of use, customization options, and seamless Shopify integration. The app reliably switches items to "pre-order" status when out of stock, aiding in inventory transparency. Customer support is also commended for being prompt and efficient, significantly enhancing the user experience.

1,013 reviews given by store owners

Run pre-orders, presale with partial payments. Capture out-of-stock demand with back in stock alerts

What merchants say: Merchants highly recommend this app for capturing sales on out-of-stock and upcoming products, praising its customizable features like preorder badges, automated inventory management, and email notifications. They appreciate the intuitive interface and reliable performance, which integrates smoothly with Shopify themes. The support team is also commended for their quick and effective responses. Merchants note it offers significant value, even as a free tool compared to paid alternatives.

962 reviews given by store owners

Capture Sales with Back in Stock Alerts and Preorder Options that Notify Customers on Restock alerts

What merchants say: Merchants highly value this app for its ability to notify customers when out-of-stock items are available again, boosting sales and aiding in inventory management. It offers customizable email and SMS notifications and integrates seamlessly with Shopify, providing detailed reports on notification effectiveness. Merchants appreciate the reliable performance, responsive support, and continuous improvements based on feedback, noting a significant return on investment and enhanced customer service efficiency.

786 reviews given by store owners

Ordersify with restock alerts, out-of-stock reports, low-stock alerts

What merchants say: Merchants highly value this app for converting potential lost sales by alerting customers about restocked items, enhancing customer service, and increasing product traffic. They praise its cost-effectiveness, customizable "Notify Me" tool with email notifications and waitlist features, and seamless integration with Shopify themes. The app is noted for its reliability, easy setup, and responsive customer support that accommodates custom needs effectively across various global markets and languages.

565 reviews given by store owners

Recover sales with AI inventory alerts(email & SMS), popups, forms, and product page sections.

What merchants say: Merchants highly value this app for its effective customer notifications when products are back in stock, boosting sales and customer satisfaction. They appreciate the ability to send notifications from their own domain, maintaining brand trust. The app is easy to use with customizable features like button color and data download options. It performs smoothly, and the support team is praised for their quick and helpful service.

534 reviews given by store owners

Manage pre-orders, keep customers informed and improve sales with Prequik Preorder & Presale.

What merchants say: Merchants highly recommend this app for managing pre-orders effectively, allowing them to secure sales with low inventory. It offers seamless inventory management, partial payments, and discounts, enhancing sales and conversions. The app is user-friendly, easily integrates with Shopify, and provides customizable options for various store themes. Merchants also appreciate the responsive and efficient customer support available via live chat.

532 reviews given by store owners

Preorder Wolf lets you accept orders for products you don't have at hand right away.

What merchants say: Merchants appreciate this app for maintaining sales during low inventory periods through effective pre-order management. It features a user-friendly interface, seamless Shopify integration, customizable pre-order messages, and discounts on pre-order products. The support team is highly praised for their quick, efficient, and personalized assistance. This app is recommended for its comprehensive features and exceptional customer support, enhancing Shopify store operations.

504 reviews given by store owners

Send Email/SMS alerts for back in stock products. Create preorder/restock lists to drive revenue.

What merchants say: Merchants highly recommend this app for boosting sales and customer retention through effective "Back in Stock" notifications. It captures customer emails and aids in inventory management, with easy setup and seamless integration with tools like Klaviyo. The customizable notifications, reliable automation, and responsive customer support, which offers quick custom modifications, are particularly praised. This app is valued for enhancing customer engagement and increasing sales.

443 reviews given by store owners

Grow sales with pre-order, backorder. Add out of stock waitlists with 'notify me' & restock alerts.

What merchants say: Merchants highly recommend this app for boosting sales by managing preorders and sending restock notifications via email and WhatsApp. They praise its easy setup, seamless Shopify integration, and customizable features that match store themes. The app is reliable across desktop and mobile, with a support team known for quick, friendly, and effective service, often providing personalized assistance.

401 reviews given by store owners

Preorder Now with Pre Order Partial Payment & Pre-Order Split Payment, Presell, Presale & Backorders

What merchants say: Merchants highly recommend this app for its exceptional customer support and user-friendly interface, ideal for managing pre-orders effectively. The responsive support team is quick to resolve issues, often through chat. It allows businesses to sell products even when out of stock and offers customization options to align with store themes. The free version is particularly beneficial for small businesses, with many reporting a positive impact on sales.

386 reviews given by store owners

Sell preorder & backorders with full/part payments. Notify me when out of stock, back in stock alert

What merchants say: Merchants highly value this app for tracking customer interest in out-of-stock items and automatically notifying them when items are restocked, aiding in recovering sales. They praise its user-friendly interface, easy setup, and seamless theme integration. The app features customizable notification buttons, email alerts, and a waitlist. Reviewers commend its reliable notification system and responsive customer support, which assists with customization and integration.

384 reviews given by store owners

We offer wishlist product options to boost your sales & allow customers to save their favorites.

What merchants say: Merchants highly recommend this wishlist app for boosting customer engagement by allowing customers to save favorites and helping merchants track popular items for better inventory decisions. It's affordable, integrates well with various themes, supports multiple languages, and offers advanced customization. The installation process is straightforward, and the support team is praised for their quick, effective assistance and responsiveness in resolving issues.

260 reviews given by store owners

Easily trigger automatic back in stock alerts to customers when you restock their favorite products.

What merchants say: Merchants highly value this app for boosting sales and customer retention through effective restock notifications. They appreciate features like customizable notification forms and seamless theme integration, which aid in inventory management. The app is easy to install and user-friendly, with a supportive and responsive team enhancing the user experience. Merchants find the cost reasonable, given the significant benefits in maintaining customer engagement and optimizing sales processes.

247 reviews given by store owners

Deploy automated product badges & stickers. Highlight features to help users make fast purchases.

What merchants say: Merchants highly recommend this app for boosting product visibility through customizable badges that highlight sales, stock levels, and new arrivals. They praise its user-friendly interface and easy setup, along with a responsive support team that efficiently resolves issues. The app is considered a valuable investment, improving business operations and aligning with store branding.

222 reviews given by store owners

Capture every sales on coming soon products and send Instant restock alert when product back in stock

What merchants say: Merchants appreciate this app for its ability to create excitement and secure pre-orders with its easy-to-use interface for setting "Coming Soon" or "Pre-Sale" statuses. They value the customizable features like badge colors and countdown timers, which enhance branding and customer engagement. The app's smooth integration with marketing platforms and responsive support team are also highlighted, ensuring a seamless operational experience.

182 reviews given by store owners

Notify Me buttons, Back in Stock, Restock Alert, & Out of Stock Alert for Back in Stock products.

What merchants say: Merchants highly recommend this app for notifying customers about restocked items, enhancing customer service, and boosting sales. It is easy to install, integrates seamlessly with Shopify, and supports both email and SMS notifications. The app also aids in inventory management and offers customization to maintain brand consistency. Merchants appreciate the responsive customer support and the app's reliable performance.

166 reviews given by store owners

We provide guest, multiple, and share wishlist options to attract customers and boost sales.

What merchants say: Merchants appreciate this app for boosting customer interaction with features like multiple wishlists, price drop alerts, and restock notifications. They find the analytics useful for understanding customer preferences, aiding in stock management and targeted promotions. The app is noted for its ease of use, guest wishlist capabilities, and seamless Shopify integration. The support team is also praised for their quick and effective assistance.

164 reviews given by store owners

Trigger FOMO & urgency with social proof, visitor counter, sales popup, low stock counter & review

What merchants say: Merchants highly recommend this app for boosting site activity, conversions, and customer engagement with features like low stock alerts, sales pop-ups, and a live visitor counter. They praise its simple, customizable design and reliable performance. The support team is noted for their responsiveness and helpfulness, assisting with setup and troubleshooting, even outside typical hours. Merchants appreciate the option to remove branding for a cleaner look.

143 reviews given by store owners