4 Best Shopify Stock Alert Apps in 2026

Introduction

For Shopify merchants, one of the most persistent challenges is converting missed sales opportunities caused by out-of-stock products. When a customer lands on a product page only to discover that an item is unavailable, the result is often a lost sale and possibly a lost customer. Stock alert apps address this problem by enabling stores to automatically notify shoppers when products are back in stock, keeping potential buyers engaged and encouraging them to return and complete their purchase. These apps can be crucial for improving revenue recovery, building customer loyalty, and optimizing inventory management.

Choosing the right stock alert app for your store involves more than just basic notification features. Merchants should evaluate each app for notification channels (email, SMS), customization options, integration with marketing tools, language support for global audiences, and the flexibility of pricing plans. The ability to manage large waitlists, set inventory thresholds, and generate actionable analytics are also important for scaling stores. Additionally, factors like review volume, years on the market, and "Built for Shopify" status provide important trust signals that can help merchants make informed decisions.

Short answer: SC Back in Stock Notify Me is the best Shopify stock alert app for 2026, offering unmatched language coverage, advanced notification channels, and a rich set of features suitable for stores of any size. Its robust integrations, proven track record, and generous free tier make it the top choice for merchants serious about recovering lost sales and serving global customers.

SC Back in Stock Notify Me

Overview: SC Back in Stock Notify Me by Shop Circle is a comprehensive solution designed to help Shopify merchants recover sales lost to stockouts. The app enables you to set up back in stock and restock alerts, so customers can easily sign up to be notified when out-of-stock items are available again. With support for a wide range of notification types and customization options, it empowers merchants to build stronger relationships with customers and optimize inventory flow.

Key Capabilities:

• Back in Stock Alerts & Restock Alerts: Instantly notify customers when products are restocked, keeping them engaged and driving return visits to your store.
• Out Of Stock Alerts & Notify Me Buttons: Place customizable "Notify Me" buttons on out-of-stock product pages, encouraging shoppers to join waitlists and reducing bounce rates.
• Email & SMS Notifications: Send automated alerts via email or SMS, covering a wide range of customer preferences and increasing the likelihood of conversion.
• Customized Alert Templates: Tailor the look and content of your notifications to match your brand, improving customer experience and reinforcing brand identity.
• Waitlists for Out-of-Stock Products: Build and manage waitlists, helping you gauge demand for specific products and make informed restocking decisions.
• Price Drop Notifications & Low Stock Warnings: Notify customers about price reductions or low stock levels, encouraging timely purchases and reducing overstock risk.
• Manual & Real-Time Alerts: Trigger notifications instantly or set them to be sent automatically, giving you full control over customer communication.
• Bulk Export & Batch Notifications: Efficiently manage large volumes of alerts, making it easier to scale operations for high-traffic stores.
• Multi Location Support & Inventory Controls: Handle inventory across multiple warehouses or store locations, ensuring accurate notifications regardless of stock source.
• Analytics & Reports: Access detailed analytics on alert performance, helping you refine strategies and measure ROI.
• Integration with Klaviyo, Mailchimp, Dotmailer, Transcy, and Shopify Admin: Sync your store’s marketing lists and automate communications across the tools you already use.
• Extensive Language Support: The app is available in 30 languages, including English, French, German, Japanese, Portuguese, Russian, Hindi, and more, making it ideal for global merchants.
• Unlimited Back in Stock Requests: Even on the free plan, you can collect unlimited customer signups for stock notifications.

Pricing Breakdown:

• Free to install: Includes 50 email alerts per month, unlimited back in stock requests, automatic notifications, bulk export, and integrations.
• Email Only ($10/month): Unlimited emails, batch notifications, multi-location support, inventory controls, and mailing list sync with Klaviyo & Mailchimp.
• Starter ($20/month): Unlimited email alerts, 200 SMS notifications, automatic SMS token refill, analytics & reports, and optional SMS tokens.
• Pro ($45/month): Unlimited email alerts, 500 SMS notifications, advanced analytics, custom email sender, and full SMS access.

Pros:

• Unmatched language coverage (30 languages), ideal for international stores.
• Dual email and SMS notification channels, giving merchants flexibility in customer engagement.
• Advanced inventory controls, multi-location support, and analytics empower scaling merchants.
• Bulk export and batch notification features streamline workflows for high-volume stores.
• Integrations with Klaviyo, Mailchimp, Dotmailer, Transcy, and Shopify Admin enhance marketing automation and translation capabilities.
• Free tier supports unlimited back in stock requests, making it accessible for new stores or those testing alert strategies.
• Available since 2016, demonstrating reliability and product maturity.
• "Built for Shopify" status ensures seamless compatibility with Shopify’s ecosystem.

Cons:

• Higher-tier SMS features are only available on paid plans.
• Advanced reporting and custom sender options require upgrading to Starter or Pro.

Verdict: SC Back in Stock Notify Me is the best choice for Shopify merchants who need a powerful, internationally-ready solution to recover lost sales, manage inventory, and connect with customers via both email and SMS. Its flexible pricing, proven track record, and deep integration options make it suitable for stores of any size or complexity.

Back In Stock,Notify Me: Kbite

Overview: Developed by DEVSQUAT SOLUTIONS, Back In Stock,Notify Me: Kbite is a stock alert app for Shopify designed to help merchants recapture sales from out-of-stock items. It enables stores to create waitlists, trigger notifications when products are restocked, and customize the alert experience with a range of options. This app is built to handle high notification volumes, making it suitable for stores with frequent stockouts or large customer bases.

Key Capabilities:

• Back in Stock & Restock Alerts: Send automatic email and SMS notifications to customers who have registered interest in out-of-stock products.
• Waitlist Management: Allow unlimited subscribers and unlimited registrations, ensuring no potential sale is missed.
• Price Drop Notifications: Keep customers engaged by alerting them to discounts on products they care about.
• Button and Form Customizations: Adapt the app’s interface to match your store’s branding and improve user experience.
• Multi-Language and Multi-Location Support: Serve customers in 23 different languages and manage alerts across multiple stock locations.
• Batch Delivery and Inventory Thresholds: Schedule notifications to go out in batches and set minimum inventory levels for alerts, reducing the risk of overselling.
• Mailing List Sync and Custom Integrations: Sync alert signups to your mailing list and enable custom integrations on higher-tier plans.
• Integrations: Connects with Shopify Admin, Checkout, Pagefly, and Shopgun, enhancing its ability to work with different store workflows.

Pricing Breakdown:

• Free: Unlimited subscribers and registrations, 30 emails per month, back in stock/price drop notifications, and customization options.
• Basic ($5/month): 500 email notifications per month, mailing list sync, multi-language/location support, and no branding.
• Starter ($9/month): 2,500 email notifications per month, batch delivery, multi-language/location, and no branding.
• Pro ($19/month): 5,000 email notifications per month, custom integrations, multi-language/location, and no branding.

Pros:

• Very high review volume (3,903), indicating broad merchant adoption since 2021.
• Unlimited subscribers and registrations on all plans, supporting rapid store growth.
• Low entry price for higher notification volumes.
• Customizable buttons and forms for a tailored customer experience.
• Multi-language and multi-location support increases its appeal for global and multi-warehouse stores.
• "Built for Shopify" status confirms compatibility and reliability.

Cons:

• Free plan is limited to 30 emails per month.
• SMS notification capabilities are not detailed in the plan inclusions.
• Integrations are limited compared to some competitors.
• Does not list analytics or reporting features.
• Does not support as many languages as SC Back in Stock Notify Me.

Verdict: Back In Stock,Notify Me: Kbite is ideal for fast-growing stores that need to handle large volumes of back-in-stock notifications and value deep customization. Its pricing and unlimited subscriber model make it a strong fit for merchants prioritizing scale over advanced analytics or SMS features.

Preorder, Back In Stock REZ

Overview: Preorder, Back In Stock REZ by REZ Commerce is a versatile app for Shopify merchants who want to do more than just notify customers about restocked products. Alongside "notify me" and back in stock alerts, it also provides preorder management and waitlist features, expanding your ability to capture demand before products return to inventory. The app emphasizes flexibility and hands-on support, including onboarding with the founder.

Key Capabilities:

• Preorder Management: Allow customers to place preorders for upcoming or out-of-stock products, helping you forecast demand and secure revenue in advance.
• Back in Stock Alerts: Notify customers via email when inventory is replenished, increasing the chance of converting interested shoppers.
• Customizable Notifications and Interface: Merchants can customize the email sender and the app interface for alignment with their brand.
• Waitlist Creation: Build waitlists for out-of-stock products, allowing you to prioritize restocking based on actual demand.
• Unlimited Signups and Auto Send Emails: Automate customer engagement for high-demand items.
• Remove Branding: All paid plans let you remove the app’s branding for a more professional look.
• 24/7 Live Chat Support: Paid plans include round-the-clock support, including onboarding assistance.
• Integrations: Works with Shopify Admin and Checkout, supporting core Shopify workflows.
• Language Coverage: Supports 24 languages, including English, Chinese, Vietnamese, Portuguese, Russian, Dutch, Japanese, and more, making it suitable for international stores.

Pricing Breakdown:

• Free: 20 preorders/month, 30 emails/month, unlimited signups, onboarding with founder, and remove branding.
• Basic ($4.99/month): 100 preorders/month, 500 emails/month, all features unlocked, customize email sender, and 24/7 live chat support.
• Growth ($14.99/month): 400 preorders/month, 2,000 emails/month, no transaction fee, all features unlocked, and live chat support.
• Scale ($28.99/month): 700 preorders/month, 3,000 emails/month, unlock everything for $48.99, and 24/7 live chat support.

Pros:

• Combines preorder and back in stock alerts for versatile demand capture.
• Unlimited signups and customizable notifications on all plans.
• Supports 24 languages, making it a good choice for international merchants.
• Onboarding with founder and 24/7 support provide valuable guidance for new users.
• Competitive pricing and scalable plans.
• "Built for Shopify" status assures compatibility.

Cons:

• Free tier is more limited than competitors (20 preorders, 30 emails/month).
• Does not list SMS notification support.
• Integrations are limited to Shopify Admin and Checkout.
• Features like analytics and batch notifications are not listed.

Verdict: Preorder, Back In Stock REZ is a flexible option for merchants who want to capture demand through preorders as well as standard back in stock notifications. It suits stores that value hands-on support and need a combination of preorder and waitlist features, though those seeking advanced integrations or SMS may want to look elsewhere.

PreOrder Globo | Back in Stock

Overview: PreOrder Globo | Back in Stock by Globo.io is designed to help Shopify merchants drive sales using both pre-order and restock alert features. The app makes it easy to enable pre-order buttons for products, manage restock email campaigns, and handle partial payments or discounts for preordered items. Its strong integration suite and CSV import/export options help merchants streamline product and customer data management.

Key Capabilities:

• Pre-Order Button Enablement: Easily add pre-order functionality to out-of-stock products, keeping sales flowing even during inventory gaps.
• Restock Email Campaigns: Send automated email alerts when products are back in stock, helping recapture lost sales.
• Partial Payment & Discount Features: Offer partial payments or discounts for preordered products, incentivizing early purchases.
• Edit Email Templates: Customize notification emails to match your store’s branding.
• CSV Import & Export: Manage large product or subscriber lists with bulk import/export tools, saving time for high-volume stores.
• Shopify Markets & Batched Restock Alerts: Support for international sales and the ability to batch restock notifications for operational efficiency.
• Integrations: Extensive, including Shopify Flow, ActiveCampaign, Campaign Monitor, Langify, Google Analytics, Mailchimp, Klaviyo, Hubspot, Ominisend, Sendinblue, Weglot, Checkout, and Shopify Admin.
• Language Support: Available in 6 major languages: English, French, Spanish, German, Japanese, and Italian.

Pricing Breakdown:

• Free: First 20 presale orders and 100 restock emails, unlimited products.
• Lite ($9.90/month): All features, 100 presale orders/month, 1,000 restock emails, partial payments, discounts, email template editing, CSV import/export, Shopify Markets, and batched alerts.
• PRO ($19.90/month): All features, unlimited presale orders/month, 5,000 restock emails, and all Lite plan features.

Pros:

• Strong integration suite, including major email marketing and analytics platforms.
• Partial payment and discount features help convert preorder customers.
• CSV import/export streamlines data management for larger stores.
• "Built for Shopify" status ensures smooth platform integration.
• Available since 2017, with a solid track record and 1,845 reviews.
• Batched alerts and international sales support (Shopify Markets).

Cons:

• Language support is limited to 6 languages, less than some competitors.
• Free plan caps at 20 presale orders and 100 restock emails, which may not suit higher-volume stores.
• Does not mention SMS notification support.

Verdict: PreOrder Globo | Back in Stock is a robust solution for stores focused on preorders and integrated restock notifications. Its extensive integrations and data tools suit established merchants who need to connect multiple platforms, though those with large international audiences or SMS needs may find better fits elsewhere.

Shopify Stock Alert Apps: Buyer’s Guide

1. Notification Channels and Customization

Consider what types of notifications each app supports. Some apps offer email and SMS alerts, while others focus solely on email. If your customers span different demographics or regions, having both channels is critical for maximum reach. Customization features, such as branded email templates or "Notify Me" button styles, let you maintain a consistent customer experience and maximize engagement. Evaluate whether the app allows you to adjust notification triggers and content to fit your brand and communication strategy.

2. Integration with Marketing Tools and Store Workflows

Integration capabilities can dramatically improve operational efficiency. Look for apps that connect with your existing email marketing providers (like Klaviyo, Mailchimp, or Dotmailer) and translation tools (such as Transcy or Langify) to streamline customer communication and list management. Integrations with Shopify Admin, Checkout, and third-party builders or analytics tools can help you automate processes and maintain a single source of truth for inventory and customer data.

3. Language Support and Internationalization

If you serve a global audience, language coverage is a key factor. Some stock alert apps support over 20 languages, ensuring notifications are relevant and accessible to customers around the world. Broader language support can also help you expand into new markets without additional customization work, while limited language options may restrict your potential reach.

4. Scalability and Analytics

As your store grows, the ability to manage large waitlists, send batch notifications, and access analytics becomes increasingly important. Features like bulk export, batch delivery, multi-location support, and inventory controls help you keep pace with higher order volumes and complex fulfillment needs. Analytics and reporting tools provide valuable insights into customer demand, helping you optimize restocking decisions and marketing campaigns for better ROI.

Final Recommendation

Choosing the right stock alert app depends on your store’s needs, scale, and existing technology stack. If you want the most flexible, globally-ready solution with both email and SMS notifications, broad language support, and deep integrations with marketing platforms, SC Back in Stock Notify Me is the clear leader. Its advanced features, robust analytics, and proven longevity make it ideal for merchants of any size who want to maximize recovered sales and serve international customers.

For stores with massive notification volume needs at a lower price point and a focus on unlimited subscribers, Back In Stock,Notify Me: Kbite is a strong alternative. If you need preorder management alongside back in stock notifications, Preorder, Back In Stock REZ delivers added flexibility, while PreOrder Globo | Back in Stock is best for merchants requiring extensive integrations and data management capabilities.

Ultimately, for most Shopify merchants, SC Back in Stock Notify Me offers the best blend of features, flexibility, and international readiness. Install SC Back in Stock Notify Me from the Shopify App Store and start recovering lost sales today.