When running an online store on Shopify, it’s common for some products to go out of stock due to high demand or limited inventory. Unfortunately, when customers see that an item is unavailable, many of them simply leave the store and may never return. This is where a Notify Me Shopify solution becomes extremely valuable.
A Notify Me Shopify app allows customers to subscribe for notifications when an out-of-stock product becomes available again. Once the product is restocked, the app automatically sends alerts via email, SMS, or push notifications, encouraging customers to return and complete their purchase.
With many apps available in the Shopify App Store, choosing the right one can be challenging. In this guide, we’ll introduce some of the best Notify Me Shopify apps that help store owners recover lost sales, improve customer experience, and keep shoppers engaged with their products.
7 Best Notify Me Shopify Apps to Alert Customers When Products Are Back in Stock
1. NotifyEZ – Messaging & Alerts
Overview
NotifyEZ is a robust solution designed for Shopify merchants to manage stock alerts and staff notifications with precision and reliability. In the fast-paced world of eCommerce, missing a low-stock update or delaying internal communication can result in lost revenue and operational friction. NotifyEZ bridges this gap by centralizing critical alerts and delivering them instantly via email and SMS through custom SMTP and SMS gateways, ensuring you and your customers never miss a beat.
Key Features
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Smart Stock Alerts: Automatically send low-stock, out-of-stock, and back-in-stock notifications to both customers and team members.
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Instant Staff Notifications: Keep your team aligned with real-time updates on essential store events, such as new orders or inventory shifts.
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Reliable SMS Integration: Utilize supported SMS gateways to deliver automated, high-priority alerts directly to mobile devices.
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Custom SMTP Emailing: Ensure high deliverability and brand consistency by sending notifications through your own SMTP provider.
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Fully Customizable Templates: Easily tailor the content and branding of your messages to match your store’s unique voice.
Best For
NotifyEZ is the ideal notify me Shopify tool for growing merchants who need a scalable way to automate internal workflows and keep customers informed. It is perfect for businesses looking to eliminate manual monitoring, improve inventory transparency, and maintain a professional communication standard across both email and SMS channels.
2. Notify! Preorder|Back in Stock
Turn out-of-stock headaches into revenue opportunities with Notify Me!™. Join successful merchants who capture lost sales by adding “Notify Me” or “Pre-order” widgets directly to product, home, and collection pages. This powerful app automates back-in-stock alerts via email, SMS, and push notifications. To boost conversions, it features “Low Stock” indicators to create a sense of urgency (FOMO) and provides detailed reports on recovered revenue, helping you track exactly how much stock you’ve saved.
Key Features
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Pre-order Management: Seamlessly accept pre-orders with discounts and send automated alerts once items are ready.
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Universal Design Compatibility: Matches any Shopify theme and can be easily integrated into Home, Collection, or Product pages.
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Marketing Integration: Works effortlessly with your existing marketing stack and popular page builders.
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Scalable Infrastructure: Full support for multi-location inventory, multilingual setups, and custom domain configurations.
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Dedicated Support: Access a specialized customer success team available via chat, phone, or email to assist with your setup.
Best For
This solution is best for Shopify merchants looking for a comprehensive notify me Shopify tool to recover lost sales and manage high-demand product launches. It is ideal for businesses that want to automate customer communication, leverage FOMO marketing through inventory countdowns, and maintain a professional pre-order system across multiple global locations.
3. Notify‑me ‑ Stock and Price
Overview
Stop losing revenue and start capturing customer intent with Notifica-Me. This app helps you recover missed sales by allowing shoppers to subscribe to automated back-in-stock and price drop alerts. Designed for performance and flexibility, Notifica-Me integrates directly with Shopify Flow, giving you total control over how you reach your audience—whether via email, SMS, WhatsApp, or custom automations. With a lightning-fast setup using Theme App Extensions, you can monitor demand through a clear dashboard without ever slowing down your store’s loading speed.
Key Features
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Back-in-Stock Subscriptions: Enable a seamless “Notify Me” option on sold-out products to capture customer interest the moment inventory is replenished.
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Automated Price Drop Alerts: Automatically trigger notifications to shoppers when a product’s price falls below their specific target.
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Shopify Flow Integration: Connect your alerts to any preferred communication channel or custom workflow for maximum engagement.
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Performance-First Design: Easy installation via Theme App Extensions ensures no impact on site speed or core code.
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Actionable Analytics: Track real-time demand and recovered revenue through a centralized, user-friendly dashboard.
Best For
This solution is best for Shopify merchants who want a high-performance notify me Shopify tool that prioritizes site speed and customization. It is ideal for data-driven brands that use Shopify Flow to manage their marketing automation and those looking to build a loyal customer base through proactive stock and pricing updates.
4. Stok: Back In Stock Alert
Overview
Stop losing revenue to out-of-stock items and start building waitlists with ease. Notify Me! allows you to recover missed sales by notifying customers via Email, SMS, and WhatsApp the moment products return to inventory. With a no-code interface and a setup that takes only minutes, you can join top merchants who turn stockouts into demand. By adding a “Notify Me” widget to your product pages, you can automate customer engagement and access detailed reports on recovered revenue and consumer interest.
Key Features
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Automated Back-in-Stock Alerts: Customers instantly receive a notification via their preferred channel as soon as a product is restocked.
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Full Customization: Easily tailor the notification messages, the appearance of the widget, and the frequency of alerts to match your brand.
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Comprehensive Analytics: Access performance reports to track recovered sales and monitor which products are viewed most.
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Multi-Page Integration: The “Notify Me” functionality works seamlessly across both individual product pages and collection pages.
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Plug-and-Play Setup: Ready-to-use configuration that requires no coding skills, ensuring a fast launch for any Shopify store.
Best For
This tool is best for Shopify store owners looking for a simple yet powerful notify me Shopify solution to automate customer follow-ups. It is ideal for businesses that want to provide multi-channel support (WhatsApp, SMS, Email) and those who need clear data insights to understand which out-of-stock products are in the highest demand.
5. Notim: Back In Stock+Notify Me
Overview
Stop letting out-of-stock items end the customer journey. Notify Me! allows you to turn stockouts into sales with automated Back In Stock and Low Stock alerts. By adding a professional “Notify Me” button to out-of-stock products, you enable customers to subscribe to instant restock updates. Whether you choose to send automated emails upon inventory updates or manual reminders at your convenience, this tool ensures you never miss a conversion. With a fast setup and deep customization, you can track demand and manage inventory across multiple locations with ease.
Key Features
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Instant “Notify Me” Button: Add a subscription button to any out-of-stock product page in just minutes to capture lost leads.
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Automated Restock Alerts: Allow customers to join a digital waitlist and receive back-in-stock email notifications automatically.
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Smart Low Stock Reminders: Receive automatic email alerts the moment a specific product or variant hits low inventory levels.
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Multi-Location Support: Stay on top of your supply chain with inventory tracking that supports multiple locations and third-party app integrations.
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Seamless Customization: Fully adjust the signup forms, buttons, and email templates to perfectly match your store’s branding and theme.
Best For
This solution is best for proactive merchants seeking a reliable notify me Shopify app to recover revenue and improve inventory management. It is ideal for stores with high-turnover products that need to build customer anticipation through waitlists and for brands that manage stock across various warehouses and need precise, real-time alerts.
6. Back In Stock! Alert Engine
Overview
Stop losing sales to empty shelves with the Back in Stock! Alert Engine. This all-in-one marketing tool is designed to recover lost revenue by allowing customers to join an out-of-stock waitlist. By adding a “Notify Me!!” button to unavailable products, the app automatically alerts shoppers via email the moment items are restocked. Beyond simple restock alerts, it helps you monitor product demand through price drop and low-stock waitlists, ensuring you stay ahead of customer needs while growing your mailing list.
Key Features
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Automated Restock Alerts: Send both automatic and manual back-in-stock notifications via email to re-engage interested buyers.
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Rapid Setup & Customization: Deploy “Notify Me” buttons in minutes and fully customize them to align with your brand guidelines.
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Marketing Integration: Effortlessly grow your email lists and sync subscriber data with top-tier providers like Klaviyo.
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Comprehensive Alert Suite: Access a full toolkit including low-stock alerts, price drop notifications, and multilingual support.
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Universal Compatibility: Designed to work with almost every Shopify theme, backed by 24/7 customer support to assist with any setup needs.
Best For
This solution is best for Shopify merchants who need a high-performance notify me Shopify app to automate their recovery marketing. It is ideal for store owners who want to sync their waitlists with professional email platforms like Klaviyo and for global brands that require multilingual tools to support a diverse, international customer base.
7. Back in stock & Notify me | RN
Overview
Maximize your sales potential by adding “Notify Me” buttons and automated restock alerts to your store. This solution allows you to display real-time stock levels and low-stock messages on both product and collection pages. By implementing a notify me Shopify strategy, you can automatically send instant email and SMS alerts to your customers the moment inventory is updated. Beyond simple notifications, you can display “Out of Stock” labels and exact inventory quantities to create ethical scarcity, encouraging shoppers to act fast when items are available.
Key Features
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“Notify Me” Buttons: Easily add subscription buttons to any out-of-stock product page to capture customer intent.
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Real-Time Stock Visibility: Display live inventory levels across your Home, Collection, and Product pages to keep shoppers informed.
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Automated Multi-Channel Alerts: Send backorder and restock notifications via SMS and Email, with seamless integrations for tools like Klaviyo.
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Unlimited Subscriptions: Grow your marketing reach by capturing an unlimited number of emails from customers ready to purchase.
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Fully Customizable Widgets: Tailor the look and feel of your restock buttons, SMS alerts, and email templates to perfectly match your brand’s aesthetic.
Best For
This tool is best for Shopify merchants who want to leverage “ethical scarcity” to drive conversions. It is ideal for high-volume stores that need a scalable notify me Shopify app to manage backorders, sync with advanced email marketing platforms like Klaviyo, and provide transparent, real-time stock data to their customers.
Implementing a Notify Me Shopify app is one of the most effective ways to handle out-of-stock products without losing potential customers. Instead of letting shoppers leave your store, these apps allow them to subscribe for restock alerts and return as soon as the product becomes available again.
The apps mentioned above offer a wide range of features, including email notifications, SMS alerts, automation tools, and demand tracking. By choosing the right solution for your store, you can improve the shopping experience, increase conversions, and turn product demand into real sales.
Ultimately, using a reliable Notify Me Shopify solution ensures that your customers never miss the opportunity to purchase their favorite products when they are back in stock.