Top Free Shopify Stock Alert Apps 2025

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.

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.

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.

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.

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.

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.

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.

Hey!Scarcity Low Stock Counter is designed to create a sense of urgency on your product pages by displaying a low stock countdown and inventory counter. This app automatically shows stock labels, counts, and indicators based on threshold settings to encourage quick purchases and boost conversion rates. It includes customizable features like animated stock counters to enhance the shopping experience.

• Low Stock Alerts: Automatically generate alerts for low stock levels to create urgency and scarcity, driving customers to make quick purchasing decisions.
• Sold-Out Widgets: Display sold-out notifications and alternative product options when items are no longer in stock, maintaining customer engagement.
• Customizable Thresholds: Set specific inventory thresholds to control when the low stock countdown and notifications appear on product pages.
• Pulse Animation: Use engaging pulse animations for stock counters to capture customer attention and enhance the shopping experience.
• Product and Collection Application: Apply stock status indicators across all products, selected items, or specific collections to optimize inventory visibility.

The app garners high praise for its effectiveness and affordability. Users appreciate the prompt and helpful customer service that swiftly resolves issues, such as accommodating theme-specific challenges. The app's flexibility in providing different pricing plans and its striking visual effects, like blinking dots, are particularly lauded for enhancing marketing efforts and improving store presentation.

Back in‑stock Restock Alert ZA is designed to boost your sales by sending back-in-stock notifications to customers, ensuring they purchase directly from your store once products are re-available. It integrates seamlessly with Shopify themes, supports product variants, and offers extensive customization options for buttons and email templates.

• Theme Compatibility: Compatible with almost every Shopify theme, including versions 2.0, ensuring easy integration.
• Variant Support: Handles product variants effectively, making sure all product options are covered.
• Customization Options: Allows customization of button messages, font color, background color, and email templates to align with brand preferences.
• Restock Notifications: Offers both automatic and manual sending of restock email alerts to notify customers.
• Page Integration: Enables addition of the app on both collection and product pages for better customer engagement.

Based on app reviews, users appreciate its comprehensive features, competitive pricing, and exceptional customer support, highlighting its effectiveness in sending automated back-in-stock emails. The app's versatility in customization and ease of use make it highly recommended by customers.

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.

SC Back in Stock Restock Alert maximizes sales and customer loyalty by offering effective back-in-stock notifications through email, SMS, and push alerts. The app keeps customers informed about the availability of desired products, driving them back to your store and increasing sales with personalized offers and varied widget styles.

• Comprehensive Notifications: Utilize email, SMS, and push alerts to keep customers updated on product availability, driving increased store visits.
• Personalized Offers: Boost repeat purchases by sending personalized restock notifications that create an urgency.
• Increased Conversion Rates: Utilize SMS alerts to boost sales conversions and turn interest into purchases.
• Customizable Widgets: Choose from multiple widget styles to seamlessly fit your store’s aesthetic and user experience.
• Advanced Features: Includes manual alerts, custom CSS, notification filters, and the ability to resend notifications.

The app's outstanding reviews commend its reliable functionality and user-friendliness, alongside the prompt and helpful customer support that swiftly resolves issues, making the setup and use of the app a smooth process for users.

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.

Bee Low Stock Alert & Forecast provides a quick and effective solution for tracking low stock products and replenishing inventory efficiently. It alerts you and your vendor when inventory levels dip below a chosen threshold, allowing timely restocking before items run out of stock. The app also offers a forecasting module to automatically calculate reorder quantities based on sales velocity, keeping thresholds dynamically updated daily.

• Instant and scheduled alerts: Create unlimited alerts with notifications via email or Slack.
• Automatic reorder calculation: Automatically calculate reorder quantities by setting a maximum stock level.
• Sales forecasting module: Set dynamic thresholds using sales velocity and stock cover days for accurate forecasting.
• Advanced filtering options: Use filters by location, collection, vendor, tag, product, or SKU for tailored tracking.
• Detailed reports and export: Access comprehensive sales, forecast, and inventory reports with export functionality.

Based on user reviews, the app is especially advantageous during peak manufacturing seasons. It provides efficient prioritization through insightful weekly stock reports, which incorporate wholesale order considerations, greatly aiding in production management. Many users have found it vital for maintaining inventory seamlessly and plan to continue using it for its robust features and timely alerts. - Rating: 5/5

Notify Me Back in Stock Alerts is an efficient app designed to notify customers via email or SMS when out-of-stock products are available again. The app integrates quickly with your store, allowing you to add a "Notify me" widget to product pages, customize notifications, and leverage detailed performance reports with assistance from a dedicated 24/7 support team.

• Automatic Notifications: Sends instant notifications to customers once a product is restocked, improving sales and customer satisfaction.
• User-Friendly Setup: Features a no-code UI that allows merchants to get the app up and running in minutes without technical expertise.
• Customization Options: Offers extensive customization for message templates, design, and alert frequency, tailored to any store’s needs.
• Comprehensive Reports: Provides detailed analytics on performance, lost sales due to stockouts, and recovered revenue.
• Effective Widget Integration: Adds a "Notify me" widget to both Product and Collection pages to generate demand and pre-orders.

Customers praise the app for its simplicity and impact on boosting sales. The straightforward installation process, robust customization options, and responsive customer support have been consistently highlighted in reviews. Users find the app indispensable for customer satisfaction and sales optimization, making it highly recommended for any Shopify store.

Stockie Low Stock Alert helps merchants efficiently manage product inventories by sending automated and customizable low stock notifications. This app ensures timely restocking, preventing stockouts and optimizing inventory management.

• Automated Alerts: Receive notifications instantly or schedule them daily, weekly, or monthly for continuous inventory monitoring.
• Multi-Recipient Support: Send alerts to multiple recipients to keep your entire team updated on stock levels.
• CSV Alerts: Customize low stock thresholds for different product variants through CSV alerts.
• Location-Based Notifications: Set up alerts to receive notifications only for chosen locations, optimizing your resources.
• Versatile Alert Creation: Create alerts for specific variants, products, collections, or based on location, tailoring to your business needs.

The app's outstanding advantages include immediate functionality, exceptional usability, and comprehensive capability in tailoring to various inventory needs, as highlighted by numerous glowing reviews. Customers commend the app for significantly enhancing workflow efficiency, outstanding customer support, and fast adoption of suggested improvements. It is praised as a cost-effective, valuable tool that greatly simplifies inventory management.

Stock Sheep ‑ Sold & Low Stock is an app designed to enhance e-commerce conversion rates by leveraging urgency, scarcity, and social proof. It allows for the dynamic display of customizable widgets using stock and sales data, creating visually appealing progress bars and alerts in any language and position on the page.

• Editable Widgets: Fully customizable widgets can be tailored using stock and sales data from your store.
• Progress Bars and Presets: Add visually appealing progress bars using design presets for a professional look.
• Multi-language Support: Create widgets in any language and position them effortlessly on your store's page.
• Low Stock Alerts: Display low stock alerts and stock countdowns to create a sense of scarcity.
• Social Proof Elements: Display add-to-cart and sales pop-ups to instill FOMO and boost conversions.

The app has received positive reviews, highlighting its ease of use, versatile customization options, and effectiveness in increasing customer engagement and conversion rates. Users appreciate the quick setup and flexibility it offers for enhancing online store performance.

Stockeo helps businesses import products from supplier feeds and maintain synchronized inventory levels. It offers automation scheduling, supports multiple file formats, and allows customization through filters and multiple automations.

• Import products: Seamlessly import product data from various supplier feeds.
• Sync inventory: Keep inventory levels continually updated to reflect the latest data.
• Automate updates: Schedule and automate inventory checks and updates at preferred intervals.
• Multiple file support: Accepts and processes data in CSV, JSON, and XML formats.
• Customization: Filter and focus updates based on product vendor or tags to streamline processes.

Stockeo is praised for its effectiveness in syncing supplier feeds and the time and cost savings it delivers. Users appreciate its intuitive design, comprehensive help resources, and exceptional customer service, consistently highlighting these aspects in reviews.