One of the most frustrating things about shopping online is when customers find a product they want, but it is then out of stock. But not only is it frustrating for customers, but it can also be a lost chance for you. About 25% of customers might continue shopping, but they won’t buy a substitute product. Instead, your business could lose out on possible revenue. That is why using one of the best back-in-stock apps for Shopify is really important.

Why the Best Back in Stock Apps for Shopify are Important?

While many customers will leave, some are going to be very interested in the product and will probably come back if they knew the product is coming back in stock. Using a back-in-stock notification, you can tell customers when you have out-of-stock products back available.

The average conversion rate for your back-in-stock notifications is approximately 15%. This isn’t great, but it is one way to improve your brand’s revenue with ease and normally you will find that the revenue and profits will cover the cost of the apps.

Another reason why you might want to have back-in-stock apps on your Shopify store is that you can then use that to win-back customers. This can be important as it is hard for your customers to remember all the brands they’ve engaged with. Research has found that 95% of website visitors will never visit a site again.

So what are the best Back in Stock apps for Shopify? Here is a list of the best.

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PreOrder Globo & Back in Stock

Globo is a pre-order and back-in-stock notification app that is perfect for your website for improving sales. When a product is not available for the moment, the add to cart button will be replaced with a simple ‘Pre-order’ button on the product page or collection page. When customers click on this, customers will be directed to the regular order page.

Therefore, you can make sales even when the product is out of stock. Customers will just need to wait until your product is back in stock. The app will also allow you to say the time and date when your products will be available. This can include a countdown timer that can add a little urgency to your website.

The app is very powerful. You can process partial payments for pre-orders or you can offer a discount for pre-orders. Therefore you can build a better business website that can convert more of your audience with ease.

PreOrder Globo & Back in Stock Highlights:

  • Control which products/variants can be pre-ordered when not in stock.
  • Add discounts and partial payments to your website.
  • Add warnings to your cart pages about products that are out of stock.
  • An easy-to-install and use app.

OnVoard Back In Stock

This app allows you to recover the lost potential income by getting customers to commit to a notification that will be sent as soon as the product is back in stock. The app allows you to subscribe them to an email marketing list, with a double opt-in.

The app has lots of great options for merchants across Shopify. For instance, you can have statistics that show you how many products are in demand. Within the dashboard, the most in-demand products will be shown. Therefore, you know what products you want to keep ordering to ensure that they don’t go out of stock again.

The app is perfect because it will adhere to all regulations, including those like GDPR.

OnVoard Back In Stock Highlights:

  • There are numerous triggers to help you find the right pre-order or out-of-stock button.
  • Complies with international laws.
  • Easy to install.
  • Shows the most in-demand products that are out of stock.


When you have a very popular product, it will most likely run out sooner or later. This is a problem that can cause significant issues for your brand, most notably, you will lose sales and potential revenues. This app solves that by offering to tell customers when the product is back in stock before they get annoyed.

The app works by inserting a button on the product page that provides an option for the customer to be notified as soon as a product is back in stock. The customer can choose between different ways to get notifications. They choose between email, SMS, Facebook Messenger and push notifications.

The app works just as well with single-line products and those that have variants. If just one variant is out of stock, then the others can be purchased, but customers can request to be notified of the variant.

The app is really easy to install. It takes just one click. There is no coding required or developer skills. Customisations of any notifications are just as easy as well as the button, signup form and other elements. The app can also integrate with third-party websites like MailChimp.

Zooomy Highlights:

  • Send messages about stock being available again.
  • Numerous communication channels can be utilised.
  • You can easily customise messages and other elements to match your branding.
  • Don’t lose sales on your website.


This app is used by more than 4,500 Shopify store owners. You can improve your stock notification alert click-through rates by up to 35% and conversion rates by 20%. Therefore, this can be an effective way to improve revenues on your website.

The app is very simple to use. The visitors can sign up for out-of-stock notifications, this can be down to the variant level. The app will then automatically let the shopper know when the product is back in stock.

If you have a lot of people who are wanting to know about one item, then the list of emails sent out can be split into smaller batches. This can prevent your server from being marked as spam. There is no manual effort on your part.

The app can work for different locations. Therefore, you can run several stores as well, customers can know when an item is back in stock in the local store.

Watchlist Highlights:

  • Works immediately after being installed on your website.
  • You can personalize the emails for better engagement.
  • Use your own email service provider.
  • Can integrate with social media platforms like Facebook and Instagram.

Back In Stock: Customer Alerts

This app allows you to notify customers through different channels, like email and SMS when a product is back in stock. Therefore, customers can return to your store and complete the purchase with ease. This is a simple app, with easy installation and a good setup process. The app could be ready to go within minutes.

The app can work on single listings or listings with variants. The app has been used by numerous big brands in this way and achieved great success.

Customization with the app is really easy. You can get the ‘email me when available’ button as soon as you’ve installed the app. The app can collect an email address or SMS to help you send the information.

Back In Stock: Customer Alerts Highlights:

  • You can customize elements on your app to ensure it functions just for your needs.
  • You can send alerts via email or SMS.
  • Add buttons to your website on out-of-stock products.
  • Collects emails which can also be used for other email marketing campaigns.


This app has been developed. According to their research, you can lose about 70% of your revenue thanks to out-of-stock items. This is worth approximately $1.75 trillion worth of eCommerce revenue. Using this app, you can reclaim some of those lost sales and improve the revenue of your store with ease.

The app works very easily. Customers can complete a form that will include their preferred contact details in a popup. When you restock the item, the customer will receive an email automatically. There is nothing else that you need to do.

The setup of the notification takes just 30 seconds, which is great. The app doesn’t work on a monthly fee either. Instead, it works on the cost per notification. Therefore, the more notifications that you send, the more it will cost you. This can be limiting and expensive in some cases, but it's worth the investment.

Notifier Highlights:

  • Email subscribers can get product notifications sent to them.
  • Pay only for the emails that you send.
  • Easy to install and configure.
  • Comes with a great reporting system.

Coming Soon Product‑ Notify me

This is a very simple app that can help you raise revenues for your store. You can send customers an email alert as soon as any product is back in stock. This is a relatively simple option and doesn’t have an automatic option. Instead, you can tell the app to send the emails when you have restocked the products.

For customers to subscribe, you can add a notification widget to present to customers when a product is out of stock. This will add them to the list of people to contact when you add new stock to your store.

Coming Soon Product‑ Notify me Highlights:

  • This is a very simple app. But it requires a manual notification for customers.
  • Sends emails through the Shopify dashboard.
  • Add a notification widget to subscribe audiences.
  • This is a free app.

Back in Stock & Restock Alerts

This app can help you to send notifications to customers via email, SMS and push notifications when you’ve restocked a product. The app is so easy to use and you can be up and running within minutes. There are numerous ways that you can communicate with audiences and they can choose the method of communication.

The app works on tokens. You pre-pay for tokens and then every notification costs you tokens. You can see how many tokens remain on your account and buy any time you would like. This is only for SMS alerts. If customers want email marketing notifications, these are free for you.

The app works with variants. So if one variant is out of stock and others aren’t customers can get notifications about that variant only.

Now Back in Stock Highlights:

  • There is free installation available for those who are struggling.
  • Sends notifications via SMS, push notifications and email alerts.
  • Get a set number of SMS tokens.
  • Easy to use and customize.

Mate : back in stock email

This is a new app that can help you build a better Shopify store. You can get this app to send notifications to customers when they’ve expressed an interest in a product that is out of stock. There are numerous steps to this. Firstly, you display a ‘notify me’ button on the product page. Then customers will sign up to get the notifications. The app will then email them when the quantity changes on the website. Customers can then complete the purchase.

At the same time as products coming back in stock, you can get your website to send notifications when there is a change in the price. Therefore, you can convert more of your customers.

This app is easy to set up. You don’t need any experience with coding or developer skills.

Mate : back in stock email Highlights:

  • Send notifications to customers about when products are back in stock.
  • Easy to use with great customisation options.
  • Can send customers notifications of price changes.
  • Convert more visitors to your website with ease.

Back In Stock Alerts Email+SMS

This app is great for your website to alert customers to come back to your store when products are back in stock. Customers can subscribe to notifications that can be sent through different platforms. For instance, they can get an email or SMS about the change in stock levels. This app can help you send notifications automatically.

The problem with email notifications is that you can sometimes have blockages because you’re sending out too many emails. Your mail might be blocked as spam. However, with this app, you can protect yourself through safe delivery options. And the app is fully compliant with GDPR laws.

Back In Stock Alerts Email+SMS Highlights:

  • Send an unlimited number of notifications to customers.
  • Send both email and SMS alerts.
  • You can set the number of people who are sent the notifications at one time.
  • This app is completely GDPR compliant.

Final Word: The 10 Best Back in Stock Apps for Shopify

If you’re looking to raise revenues then get one of the best back-in-stock apps for Shopify. Above are some of the best options that you’ve got to help you improve your website’s success. Which one will you buy?

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