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  • Writer's pictureHarshil Adesara

How to Choose a Back in Stock Shopify App for Your Store

Updated: Sep 15, 2023

Imagine a customer visiting your online store, eager to purchase a specific item, only to discover it’s out of stock. The disappointment of seeing a sold out product could lead them to look elsewhere, resulting in lost sales for your business.

But what if you could retain these potential customers by simply using an app to notify them when the product is back in stock? Enter the Back in Stock Shopify App, a game-changer for online store owners who want to minimize lost sales, enhance customer experience, and manage inventory more effectively. Let’s dive into this world of apps and help you choose the perfect one for your Shopify store.

Key Takeaways

  • Back in Stock customer alerts for Shopify provide store owners an effective tool to retain customer interest.

  • Look for customization options, multiple notification delivery methods, compatibility with other platforms and integration options when choosing an App.

  • Analyze product demand and cultivate customer loyalty to maximize the impact of back in stock notifications.

Understanding Back in Stock Apps for Shopify

understanding back in stock apps for shopify

Back in stock apps have changed the way eCommerce businesses handle out of stock products. These apps help store owners regain lost sales by helping notify customers when their desired items are back. By incorporating a stock notification form or a “notify me” button in your Shopify store, customers can easily express interest in sold-out products, and you can keep them engaged with your business while they wait.

You might be wondering how these apps function and the important features to consider when selecting one.

How they work?

These apps operate by allowing customers to subscribe to alerts for specific products and notify them when the product is available again. Some apps, like Back in stock alerts by Peppyduck, offer interesting communication channels such as WhatsApp alerts, making them very convenient for customers.

Installing a back in stock app through the Shopify app store is usually straightforward, with the “notify me” button being automatically embedded on out-of-stock product pages, depending on your Shopify theme and button style. Customers can then enter their email address or allow web push notifications to receive updates about the product’s availability.

Key features to look for

When choosing a back in stock app, consider factors such as:

  • Customization options: This could include tweaking the “notify me” button to match your store’s theme.

  • Notification delivery methods: Look for apps that offer multiple ways to notify customers, such as email, SMS, WhatsApp or a push notification.

  • Customer Support: Look for Apps that have reliable, 24/7 customer support since you might need a tiny bit of help tweaking the "notify me" button for your theme.

Ensuring that customers can easily locate and use the feature is also crucial, so the button and form design should be clear and intuitive.

Next, look at the App's Shopify admin and check the delivery methods to notify customers, such as email, SMS, WhatsApp or push notifications. Lastly, look for integration options that make the app easy to install and compatible with your store’s theme. Our Back in stock alerts App has all of these options, and more!

Best Shopify Apps for Back in Stock

Let's dive into a few Apps that will help you collect opt ins for an out of stock product, and automatically notify customers with restock alerts. Each app has unique features and benefits, suitable for different needs and budgets.

best shopify apps for back in stock

Back in stock Alerts by Peppyduck

For businesses looking for a more direct and personal communication channel, Back in stock Alerts by Peppyduck is an excellent option. This app sends notifications through WhatsApp, providing real-time updates to customers who have expressed interest in an out-of-stock item. There's a free plan for low-volume stores as well, makes it an affordable option for small businesses.

The advantage of using WhatsApp is that customers are more likely to act promptly upon receiving a notification, increasing the likelihood of completing a purchase. Conversion Rates from WhatsApp alerts are usually 4 times higher than email alerts making this a very valuable revenue channel.

To set up this app, simply install it from the Shopify App store and go the to Shopify Admin to customize the button and form design. This should be up and running in under 10minutes.

Swym Back in Stock Alerts

Swym Back in Stock Alerts offers many plans with advanced features and notification. The user-friendly dashboard allows you to:

  • Add a “Notify Me” button to out-of-stock products

  • Enable customers to subscribe to alerts for specific products

  • Automatically notify users when products become available again

This App's customizable notifications, product availability tracking, and integration with Shopify make it a pretty good choice.


For businesses seeking advanced customization and marketing features, Klaviyo is a powerful marketing platform that offers intelligent marketing automation, omnichannel messaging, and analytics based on customer data. Although Klaviyo requires some coding expertise to integrate with your Shopify store, the benefits it offers are well worth the effort. With Klaviyo’s advanced features, you can create a personalized and engaging restock experience for your customers.

Back in Stock by Hengam

Back in stock by Hengam is a popular app among Shopify store owners, offering a comprehensive solution for managing stock alerts, including restock alerts. This app allows you to easily manage restock notifications with features such as customizable notifications, automated restocking, and analytics.

With its user-friendly interface and features, this App is an excellent choice for Customer Alerts. It's a great way to improve customer engagement and capitalize on the potential of restock alerts.

Customizing Your Back in Stock notification

This part will provide tips on modifying the button and form design and crafting engaging, personalized notification content.

customizing your back in stock notification

Button and form design

Creating a clear and user-friendly button and form for customers to sign up for alerts is important. Make sure the button is easy to find and use. Consider the placement of the button, ensuring it is both clear and prominent. Additionally, make sure the call-to-action is unambiguous, encouraging customers to sign up for notifications.

The design should also be simple and intuitive, with a mobile-friendly layout to accommodate customers browsing on their smartphones. By creating a visually appealing and easy-to-use button and form, you increase the likelihood of customers subscribing to back in stock notifications.

Notification content

When crafting notification content, aim to create personalized and engaging messages that reflect your brand’s voice and unique point of view. Use a friendly tone and emphasize the benefits of the product to encourage customers to act swiftly after you notify them.

Additionally, consider including exclusive discounts or promotions for customers who sign up for notifications, as this can incentivize them to make a purchase when the product becomes available again.

By crafting personalized and engaging email templates, you can increase customer satisfaction and drive sales.

Maximizing the Impact of Back in Stock Notifications

Let's dig into how knowing what's hot with your customers and making them feel special can positively help your business.

maximising the impact of back in stock notifications

Analyzing product demand

Back in stock apps can provide valuable insights into the popularity of your products, allowing you to adjust your inventory management accordingly. By analyzing the number of back in stock notifications received for each product, you can identify high-demand items and ensure you maintain sufficient stock levels to meet customer demand.

This not only helps prevent stockouts, but also enables you to make informed decisions about restocking and inventory management, ultimately driving sales and improving customer experience.

Encouraging customer loyalty

Using back in stock notifications to build trust and improve customer satisfaction can lead to increased customer retention. By providing timely and accurate information about product restocks, you demonstrate to customers that their interests are valued, fostering a sense of loyalty towards your brand.

Offering exclusive discounts or promotions to customers who sign up for notifications can further incentivize them to return to your store and make a purchase when their desired item is back in stock.

By focusing on building trust and satisfaction through back in stock notifications, you can cultivate a loyal customer base that continues to drive sales for your business.

Increasing conversions

To increase conversions from a back in stock notification, make sure the "notify me" button is visible and easy to use. Personalize the notification content to make it engaging. Offer exclusive discounts or promotions to customers who sign up for notifications. This will encourage them to make a purchase when their desired item is back in stock.

Lastly, use notification channels like SMS, and WhatsApp. Since conversions for these channels are 4 times higher, your revenues will grow at a very healthy ROI.

Troubleshooting Common Issues with Back in Stock Apps

common issues with back in stock notifications

As with all software, back in stock apps may occasionally encounter issues requiring resolution. We will address common challenges like theme compatibility and notification delivery, offering solutions for a seamless experience with your selected app.

For theme compatibility, it’s important to make sure that the app is compatible with the theme.

Theme compatibility

theme compatibility

Ensuring your chosen app is compatible with your Shopify theme is crucial to avoid potential conflicts and ensure optimal performance. If you encounter any issues with theme compatibility, it may be necessary to make adjustments to your theme’s code.

In some cases, contacting the app’s customer support team can provide guidance on how to resolve any compatibility issues.

Notification delivery

Monitoring notification delivery is important to ensure customers receive timely and accurate information about product restocks. To track the effectiveness of your notifications, you can analyze metrics such as the number of notifications sent, opened, and leading to a purchase.

If you encounter any issues with notification delivery, consider using multiple channels such as Email, SMS, and WhatsApp to ensure customers receive the information they need.


In conclusion, back in stock apps are a superb tool for Shopify store owners looking to minimize lost sales, enhance customer experience, and manage inventory more effectively.

By selecting the best app for your business, customizing the experience to match your brand’s identity, and implementing strategies to maximize the impact of back in stock notifications, you can unlock the full potential of these apps and drive sales for your online store. Don’t let out of stock products hinder your success - embrace back-in-stock apps and watch your business flourish.

Frequently Asked Questions

What is a good Back in stock notification app on Shopify?

Back in stock alert by Peppyduck is a Shopify app which enables you to notify your customers of product restocking through WhatsApp notifications. It's pretty easy to set up, so you can get up and running in less than 10 minutes.

How do I add back in stock notifications on a Shopify Store?

To add back in stock notifications on Shopify, install one our recommended Shopify Apps for restock alerts. Our favorite is Back in stock alerts by Peppyduck, but you can choose one that works best for you.

After installing the app, set up the Notify me button, the subscription form, and enable automated alerts.

Is there an app that tells you when an item is back in stock?

Yes, Back in stock alerts by Peppyduck an app that allows users to be notified when out of stock products are back in stock and available to buy. It tracks the stock and price of these products in real-time.

How does Shopify notify customers when product is back in stock?

Shopify does not directly notify customers when a product is back in stock. However you can use one of recommended Shopify Apps to notify customers using web push notifications, emails, WhatsApp and text messages (SMS).

These notifications are sent out automatically, so customers don’t have to worry about missing out on a product they want.

How do back in stock apps work?

Back in stock apps enable customers to subscribe and receive notifications when a product is back in stock via email notifications, SMS, WhatsApp or push notifications.

These apps are becoming increasingly popular as they provide customers with an easy way to stay informed about products they are interested in. They also help businesses reduce the amount of time spent manually responding to customer inquiries about product availability.


Try Back in Stock WhatsApp Alerts for your Shopify store

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