[2026 Edition] Shopify Stock Notification App Comparison: 4 Recommended Options

In-stock notification apps for Shopify, the latest in 2026, are becoming increasingly important as essential tools for preventing lost sales and increasing customer satisfaction. Out-of-stock items are an unavoidable problem when running a Shopify business, but with a stock notification feature, you can avoid lost sales and drive potential customers back to your store. This article provides a detailed ranking of four particularly excellent stock notification apps. Through this comparison, we’ll help you select the best app for your store and support your business’s reliable operations.

1st place

Email & Popups

App URL: Shopify View in the App Store

App Overview

Provides comprehensive email marketing and popup functionality to enhance customer engagement, including back-of-stock product notifications. Features a simple, easy-to-use interface.

App Details

Automate personalized back-in-stock notification emails based on customer segments. You can also create pop-up and newsletter sign-up forms to help build your customer list. Its comprehensive marketing automation features aim to increase LTV (customer lifetime value). A wide variety of design templates are available, allowing you to customize your email to match your brand image.

Reviews

The highly customizable back-in-stock notification feature and easy email design changes are highly praised. The free plan makes it easy for small businesses to adopt, and some users comment that the reliable notification feature helps prevent lost sales.

The following are some user comments:

The restock notification feature is highly customizable. I was able to easily change the email design.

The free plan is very convenient for small stores. I also feel that email delivery rates are high.

Immediately after implementation, notifications for out-of-stock items were automated, preventing lost sales opportunities.

2nd place

My Wishlist + Share & Remind

App URL: Shopify View in the App Store

App Overview

This app allows customers to save their favorite products to a wishlist and set restock reminders when they’re out of stock. It also features social media sharing.

App Details

Analyze wishlist data to understand which products are popular and in high demand for back-in-stock notifications. When items added to customers’ wishlists are back in stock, you can automatically send email or push notifications to encourage them to purchase. The list sharing feature also contributes to viral marketing. Easy setup and customizable store design are also attractive features.

Reviews

Reviews say the wishlist feature keeps customers interested in purchasing, and the notification feature shortens the purchasing cycle. Customers also comment that the extremely easy setup and fast support response made it a comfortable experience.

The following are some user comments:

The wishlist feature helps keep customers interested in purchasing. The notification feature is also reliable, shortening the purchasing cycle.

Setup was very easy. I especially liked the ability to customize the design to match the theme.

Automatic back-in-stock notifications eliminate the need for manual response, significantly improving work efficiency.

Support was quick and helpful.

3rd place

Pre-Order Pro

App URL: Shopify View in the App Store

App Overview

This app allows you to preorder out-of-stock items, allowing you to preorder limited-edition items and new products. You can confirm sales without waiting for arrival.

App Details

By adding a “Pre-order” button to your product page, you can accept orders even when you have zero inventory. It also has a feature that notifies customers when pre-ordered items are back in stock, making it a convenient in-stock notification app. The pre-order management screen is intuitive and easy to use, allowing you to track order status. Flexible payment timing allows for a variety of sales strategies.

Reviews

Pre-order sales are highly rated for their ease of implementation and the ability to generate sales without inventory risk. The intuitive interface allows quick setup without technical knowledge, and has been reported to reduce customer inquiries.

The following are some user comments.

Pre-order sales were easily implemented, allowing me to generate sales without inventory risk. Customer inquiries have also decreased.

The interface was intuitive, allowing me to set it up without any technical knowledge.

4th place

Restock Alert – Back In Stock

App URL: Shopify View in App Store

App Overview

This app specializes in simple back-in-stock notifications. It allows customers to request restocking of out-of-stock items via email or push notification.

App Details

Manage a list of customer “back in stock” notifications and instantly notify them when inventory is replenished, recapturing missed sales opportunities. The notification form is highly customizable, making it easy to integrate with your store’s design. Notification statistics are also provided, allowing you to analyze which products are in demand and help with inventory planning. Setup is intuitive, and integration into your store is smooth.