Back In Stock Notifier for WooCommerce

Have you ever lost a sale simply because a product ran out of stock? You’re not alone. In WooCommerce stores, this happens all the time: customers see “Out of Stock” and move on, often never to return.

The solution? A Back-In-Stock Notifier. In fact, according to MarketingSherpa, brands using back-in-stock email alerts can see conversion rates jump by up to 22.45%. That’s right, what seems like a missed sale can become a revenue opportunity.

By allowing shoppers to subscribe to restock alerts, you can recover lost sales, boost customer satisfaction, and drive repeat purchases, all effortlessly.

In this guide, we’ll show you step-by-step how to set up a Back-In-Stock Notifier in WooCommerce and turn inventory shortages into future sales opportunities.

What is Stock Notifier for WooCommerce?

Stock Notifier for WooCommerce is a powerful plugin designed to help online store owners reduce lost sales due to out-of-stock products. 

At its core, it lets you offer automatic back-in-stock alerts,  so when an item is unavailable, customers can subscribe to get notified through email or SMS the moment that item returns to inventory. This transforms out-of-stock frustration into future purchase opportunities.

Here are the key features of Stock Notifier for WooCommerce:

  • Automatically notifies subscribed customers as soon as a product is restocked.
  • Allows customers to easily subscribe to restock alerts directly from the product page.
  • Enables full customization of notification emails to match your brand voice and style.
  • Supports simple, variable, and grouped products, including specific variations.
  • Provides an admin panel to manage subscribers, track notifications, and monitor performance.
  • Works smoothly with WooCommerce and integrates with popular extensions.
  • Helps recover missed revenue by converting out-of-stock interest into future purchases.

Why Your WooCommerce Store Should Use Back in Stock Alerts?

Out-of-stock products frustrate customers and cause lost sales, often sending shoppers straight to competitors. Back in stock alerts let interested buyers subscribe through email and receive automatic notifications when items are restocked. This simple feature recovers revenue, keeps visitors engaged, and turns potential bounces into loyal repeat purchases.

Here are the key benefits:

  • Recover lost sales: Automatically re-engage customers who wanted to buy but found items unavailable, bringing them back to complete the purchase.
  • Build customer loyalty: Timely, personalized alerts make shoppers feel valued and encourage repeat visits to your store.
  • Reduce bounce rates: Instead of leaving frustrated, visitors join a waitlist, keeping them connected and lowering site abandonment.
  • Gain valuable inventory insights: Track demand for out-of-stock products to prioritize restocking popular items and forecast better.
  • Grow your email list organically: Collect subscriber emails for future marketing, promotions, or upsell opportunities.
  • Improve overall customer satisfaction: Provide a seamless experience by managing expectations and eliminating the need for manual checks or competitor searches.

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How to Set Up Back In Stock Notifier for WooCommerce?

Setting up a Back In Stock Notifier in WooCommerce is simple. This section walks you through the step-by-step setup process, from installing and activating the plugin to configuring notification settings, customizing alert emails, and enabling subscription forms on product pages, so you can start recovering lost sales quickly and efficiently.

Here is the step-by-step setup process for the Back In Stock Notifier for WooCommerce:

Step 1: Install and Activate ShopBuilder

Back in stock notifier for woocommerce by shopbuilder

There are two versions available: the Shopbuilder free version and the Shopbuilder Pro version. In the free version, lots of advanced features might not be available, so to enjoy more advanced features, users need to purchase the “Shopbuilder Pro version.”

  • Purchase & download the Shopbuilder Pro Version
  • Go to the Plugin option 
  • Click “Add Plugin”
  • Click “Upload Plugin”
  • Click “Choose file” and upload “Shopbuilder Pro Plugin.” Zip File version 
  • Install and activate the ShopBuilder Pro version 

Step 2: Enable Back In Stock Notifier

enable back in stock notifier for woocommerce
  • Go to your WordPress Dashboard → ShopBuilder → Settings → Modules.
  • Click and enable “Back In Stock Notifier.” 

Step 3: Configure the Basics 

back in stock notifier frontend
  • ShopBuilder → Settings → Modules → Back In Stock Notifier 
  • Click on “Back In Stock Notifier” and open the “Frontend form.” The Admin can customize all the criteria according to the business requirement. 
back in stock notifier recaptcha setting
  • Shift to the next tab by clicking “reCAPTCHA.”
  • The Admin can set & customize the following criteria according to business needs.
WooCommerce stock alert system
  • Shift to the next tab by clicking “Email.”
  • The user can set & customize the following criteria according to business needs.
Back in stock notification WooCommerce style setting
  • Shift to the next tab by clicking “style.”
  • The user can set & customize the following criteria according to business needs.

Step 4: WooCommerce Back in Stock Notifier Statistics

Automatic restock notifications WooCommerce
  • To view the complete statistics, just go to WooCommerce > Back in Stock Notifier
  • With access to this admin panel, the admin can view “Back in Stock performance,” the total number of active users, the total number of users notified, identify high-demand items, the total number of Users in the waitlist, and inventory opportunities.

Step 5: Frontend view of Back In Stock Notifier

Back in stock notifier for WooCommerce Front end view
  • If customers visit and find an out-of-stock product page, they will view a “Frontend Notification Form” below, just have to enter their Email Address and check the box to agree to the Privacy Policy.
frontend success notification
  • By agreeing with the Privacy Policy, a user will get a notification, instantly registered, and automatically get an alert notification the moment the item returns to inventory.

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How Email Notifications Help WooCommerce Back-In-Stock Alerts?

Back-in-stock email notifications in WooCommerce not only alert customers when products are available but also serve as an effective marketing tool. They re-engage interested shoppers, drive sales, and create opportunities for upselling, cross-selling, and building customer loyalty.

Key Benefits:

  • Instantly notifies customers when products are restocked
  • Re-engages shoppers with high purchase intent
  • Drives conversions and recovers missed sales
  • Encourages repeat visits to your store
  • Offers opportunities for upselling and cross-selling
  • Strengthens customer relationships and loyalty
  • Supports targeted marketing campaigns with personalized content

Frequently Asked Questions (FAQ) 

Does WooCommerce have a built-in back-in-stock notification feature?

No, core WooCommerce doesn’t include automatic back-in-stock email alerts. You’ll need a plugin such as “Back In Stock Notifier for WooCommerce” (free on WordPress.org), “Back In Stock Notifications” (official WooCommerce extension), “Smart Stock Notifications”, or alternatives like Addify/Waitlist plugins.

Do customers need to be logged in to subscribe?

It depends on the plugin. Many (including official WooCommerce ones and popular free plugins) support both logged-in users and guests (email-only subscriptions). Check your plugin settings for a “Guest subscriptions” or “Allow non-logged-in users” option.

How are notifications sent when a product is restocked?

When you manually or automatically increase stock quantity (via product edit or import), the plugin detects the change and queues/sends emails to all subscribed customers for that product. Most plugins process this in the background to avoid delays.

How do I display stock status in WooCommerce?

To display stock status in WooCommerce, go to WooCommerce → Settings → Products → Inventory and enable stock management. Then edit a product, open the Inventory tab, set the stock quantity, and choose the stock status. WooCommerce will automatically show “In stock,” “Out of stock,” or “On backorder” on the product page.

Can I change how the Back in Stock form looks?

Yes, you can customize the appearance of the Back in Stock form in WooCommerce. Most notifier plugins allow you to modify the form text, button label, colors, and layout from the settings panel. For deeper customization, you can use custom CSS or theme styling options to match your store’s branding and design.

Why Is Email Essential for Back-In-Stock Notifications in WooCommerce?

Email is essential for back-in-stock notifications because it instantly informs customers when products are available, re-engages interested shoppers, drives sales, and creates marketing opportunities. It helps recover missed sales, promote related items, and build long-term customer loyalty.

Conclusion 

Setting up a Back In Stock Notifier in WooCommerce is more than just adding a feature; it’s about turning missed opportunities into measurable revenue. 

Instead of losing customers when products run out, you keep them engaged, informed, and ready to purchase the moment inventory returns. 

With the right configuration, automated alerts, and customized messaging, you can improve customer experience while maximizing conversions. Now that you know the setup process, it’s time to implement it in your store and start recovering the sales you might otherwise lose.

Sumaiya Simran, Technical Content Writer at RadiusTheme. She is very passionate about exploring the technical field and is a devotee to the field of Digital Marketing.