Top Shopify Stock Alert Apps: Never Miss a Sale

In the competitive landscape of e-commerce, a "sold out" sign can mean a lost customer forever. Shopify stock alert apps are crucial tools that bridge the gap between unavailable inventory and customer demand. These applications automatically notify interested shoppers when a product is back in stock, effectively converting a potential lost sale into a future purchase. Beyond simple restock notifications, modern apps offer a suite of features including pre-orders, waitlists, and low-stock alerts for merchants, helping businesses manage inventory proactively and maintain customer engagement. By capturing customer interest at its peak, these apps not only recover revenue but also build a valuable list of leads for future marketing campaigns.

What you’ll find:

• A detailed summary of the top Shopify stock alert apps with quick comparison.
• Detailed reviews of each app, outlining key features, ratings, and pricing.
• Expert advice from Letsmetrix on selecting the right stock alert app for your store's unique needs.
• FAQs about stock alert functionality on Shopify.

Top 9 Shopify Stock Alerts Apps

Here is a summary of the leading stock alert apps, designed to help you make a quick and informed decision.

1. Preorder, Back In Stock ‑ Stoq

​Preorder, Back In Stock ‑ Stoq is a comprehensive solution for Shopify merchants looking to handle stockouts effectively. It has gained a strong reputation for its robust feature set that allows stores to create waitlists, offer pre-orders, or accept backorders with deposits. The app's strength lies in its automation and customization.

Key features include:

• Automated email and SMS notifications for restocked items.
• Full customization of preorder buttons and restock alerts to match store branding.
• Klaviyo integration for streamlined marketing workflows.
• Support for B2B preorders and multi-location inventory management.

Rating: 5.0/5-star.

Pricing: A free plan is available. Paid plans start at $10/month.

2. Back In Stock,Notify Me: Kbite

​Back In Stock, Notify Me: Kbite is recognized as an all-in-one tool for recovering sales by reconnecting with customers. It focuses on keeping shoppers engaged with restock alerts, price drop notifications, and waitlists for out-of-stock products. The app is lauded for its ease of use and effectiveness in building marketing lists.

Key features include:

• A customizable "Notify me" button for out-of-stock items.
• Automated email and SMS alerts for restocks or price changes.
• Full control over the design of notification templates.
• Seamless synchronization of customer data for marketing efforts.

Rating: 5.0/5-star.

Pricing: A free plan is available. Paid plans begin at $5/month.

3. Notify! Back in Stock|PreOrder

​Notify! Back in Stock | PreOrder is a versatile app that improves inventory management by adding "Notify Me," "PreOrder," and "Wishlist" functionalities. It is a popular choice for businesses that want to cover multiple customer engagement scenarios, from restock alerts to B2B preorders.

Key features include:

• Restock alerts delivered via email, SMS, or push notifications.
• Preorder capabilities with options for discounts and partial payments.
• A low stock counter to create urgency and drive conversions.
• Wishlist functionality to let users save items for later.

Rating: 4.9/5-star.

Customer Support: Offers dedicated support via chat, phone, or email.

Pricing: A free plan is available. Paid plans start at $9.90/month.

4. Preorder | Notify Me Timesact

​Preorder | Notify Me Timesact is built to help merchants manage preorders and build anticipation with restock notifications. It is particularly well-regarded for its flexible payment options and automated communication, making it a solid choice for product launches and managing incoming stock.

Key features include:

• Partial payment and discount options for preorders.
• Automated emails to keep customers informed and engaged.
• Simple integration of "Notify Me" buttons on product pages.
• Reliable management of both restock alerts and preorder campaigns.

Rating: 5.0/5-star.

Pricing: A free plan is available. Paid plans start at $1/month, with yearly options available.

5. PreOrder Globo | Back in Stock

​PreOrder Globo | Back in Stock is a straightforward app for managing preorder sales and notifying customers about restocks. Its simplicity makes it a favorite among merchants who need to quickly implement preorder buttons and automated alerts without a complex setup.

Key features include:

• Easy addition of preorder buttons to out-of-stock or upcoming products.
• Support for partial payments and preorder-specific discounts.
• A "Notify me" option for customers interested in restocked items.
• Automated alerts when products become available again.

Rating: 4.9/5-star.

Pricing: A free plan is available. Paid plans start at $9.90/month, with a discount for yearly billing.

6. ES: AI Back in Stock Notify Me

​ES: AI Back in Stock Notify Me is an excellent choice for merchants seeking a simple, no-cost solution. It focuses entirely on recovering sales through restock alerts, offering a one-click setup that works seamlessly with Online Store 2.0 themes. Its main appeal is its efficiency and complete lack of fees.

Key features include:

• Instant setup of a "Notify Me" button and popup on product pages.
• Automated email or SMS alerts send upon inventory replenishment.
• Customizable email templates to align with brand messaging.
• Multi-language support to cater to a global audience.

Rating: 4.9/5-star.

Pricing: Completely free.

7. Preorder, Back in stock Duck

The Preorder, Back in stock Duck app stands out by offering WhatsApp notifications in addition to email. This modern approach helps brands reach customers on a more direct and personal channel, making it a great option for businesses with a mobile-first audience. The app is praised for its quick setup and branding capabilities.

Key features include:

• Automatic restock alerts via both email and WhatsApp.
• Customizable "Notify Me" buttons that match the store's theme and language.
• Notifications can be tailored for specific product sizes or variants.
• Ability to brand communications with a custom domain, logo, and name.

Rating: 5.0/5-star.

Pricing: A free plan is available. Paid plans start at $10/month.

8. Stockie Low Stock Alert

Unlike customer-facing apps, Stockie Low Stock Alert is designed to notify merchants. This tool is essential for internal inventory management, helping teams stay ahead of stockouts. It sends automated alerts when product inventory drops below a set threshold, ensuring timely reordering.

Key features include:

• Configurable low-stock alerts for merchants and their teams.
• Scheduled notifications delivered daily, weekly, or monthly.
• Support for multiple email recipients to keep the entire team informed.
• Location-based alerts for specific warehouses or retail stores.

Rating: 5.0/5-star.

Pricing: A free plan is available. Paid plans start at $4.99/month.

9. Hey!Scarcity Low Stock Counter

​Hey!Scarcity Low Stock Counter focuses on a different aspect of stock management: using inventory levels to create urgency. By displaying low stock alerts and counters directly on product pages, it encourages customers to make a purchase before the item sells out. It is celebrated for its effectiveness in boosting conversion rates.

Key features include:

• Automatic display of urgency widgets like "sold out" or "low stock."
• Customizable stock labels, indicators, and countdown timers.
• Attention-grabbing pulse animations for stock counters.
• Rules can be applied to all products, specific collections, or individual items.

Rating: 5.0/5-star.

Pricing: A free plan is available. Paid plans start at $4.99/month, with a discount for yearly billing.

How to Pick the Right Stock alerts Shopify Apps for Your Store?

Choosing the ideal stock alert app depends on your store's specific goals. Consider these factors to make the right decision:

• Core Functionality: Determine what you need most. Is it simple back-in-stock alerts, or do you also require pre-order management, waitlists, or partial payments? If your goal is to create urgency, an app with a low-stock counter might be best.
• Communication Channels: Where do your customers prefer to be contacted? Look for an app that supports their preferred channels, whether it's email, SMS, or WhatsApp.
• Customization and Branding: Your notifications and on-site widgets should feel like a natural part of your store. Check if the app allows you to customize colors, text, and templates to match your brand's look and feel.
• Budget and Scalability: Many apps offer a free plan, which is great for new stores. However, review the limitations. As your store grows, you may need a paid plan with more features or a higher notification limit. Compare the pricing tiers to find one that aligns with your budget and projected growth.
• Ease of Use: An app should simplify your workflow, not complicate it. Look for apps with a straightforward setup process, an intuitive interface, and good documentation or support.

FAQs about Stock alerts Apps on Shopify

1. What is a Shopify stock alert app?

A Shopify stock alert app is a tool that helps merchants manage customer communication related to product availability. Its primary function is to capture a customer's contact information (like an email or phone number) and automatically send a notification when a sold-out item is restocked. Many apps also include features like pre-orders, low-stock warnings for merchants, and price drop alerts.

2. Can stock alert apps really increase sales?

Yes, absolutely. These apps work by recovering sales that would otherwise be lost when a customer encounters an out-of-stock product. Instead of leaving your site, the shopper can sign up for an alert, giving you a direct way to bring them back to complete the purchase later. This process turns missed opportunities into conversions and builds a highly engaged marketing list.

3. Do I need a paid plan for a stock alert app?

Not always. Many of the top apps offer a free plan that is sufficient for small stores or those just starting out. These free tiers often have limits on the number of subscribers or notifications sent per month. You should consider upgrading to a paid plan when your business grows and you need more advanced features, higher limits, or priority customer support.

4. Do these apps notify merchants or customers?

Most stock alert apps are customer-facing, designed to send "back in stock" notifications to shoppers. However, some apps, like Stockie Low Stock Alert, are specifically built for merchant-facing alerts. These notify you and your team when inventory levels are low, so you can reorder products before they sell out. Some all-in-one apps may offer both types of notifications.

Conclusion

Implementing a stock alert app is no longer a luxury but a necessity for any serious Shopify store. These tools are fundamental for improving the customer experience, recovering lost revenue, and managing inventory more effectively. Whether you need a simple, free solution for back-in-stock notifications or a comprehensive platform with preorder and scarcity features, there is an app perfectly suited to your needs.

By reviewing the options in this guide and evaluating your store's specific requirements, you can select a tool that will not only prevent stockouts from hurting your sales but also turn them into a powerful opportunity for growth.