Wishlist & Back in Stock

Wishalert

Boost the shopping experience with wishlists and back-in-stock email alerts.

  • Customer favorites and guest wishlist / add-to-favorites page
  • Back-in-stock email notifications
  • Send notifications from your own domain
  • Wishlist-driven revenue, engagement, AOV, and order insights
  • Import/export, add-to-cart from wishlist, and API support
Wishalert Shopify app icon
Shopify App Store
App Store approved
★★★★★
Nodus Works

A customer likes a product, it's out of stock, they close the page and never come back. This scenario repeats every day in Shopify stores. Wishalert closes this gap with two mechanisms: the wishlist and the back-in-stock alert.

The customer adds the product to their wishlist; when it's back in stock, an automatic email or SMS is sent. This user is a ready buyer: they've already visited once, liked the product, and are expected to return. Wishalert makes sure this segment is captured rather than neglected.

The Revenue Opportunity Wishalert Creates

Across the Shopify stores Nodus Works tracks, the conversion rate within 72 hours of a back-in-stock campaign is 3–5 times that of standard email campaigns. The reason is simple: the user has already shown purchase intent and has personally asked to be notified.

In highly seasonal categories (sports, outdoor, limited edition) this effect is even more pronounced; the segment that receives an alert when a product is back in stock sells out within hours.

Feature Details

Wishlist widget

Added to the product page and collection page with a single click. Built to the Polaris design system, so it looks naturally integrated into your theme.

Back-in-stock alert form

Appears automatically on product pages that are out of stock. It captures the email address, records consent, and triggers when the item is back in stock.

Segment export

Wishlisted products and users can be exported to a Shopify customer segment, and a retargeting campaign can be built around that segment.

Multi-channel notifications

Email is mandatory. SMS integration is provided through Klaviyo and Omnisend.

FAQ

We created Wishalert to help you convert favorite products and stock notifications into sales on Shopify.

Which sales processes does Wishalert simplify for my Shopify store?

Wishalert allows customers to add products they love to their wishlists and collects "notify me when back in stock" requests for out-of-stock items. This makes it easier to re-engage users who liked a product but didn't purchase it immediately.

Which e-commerce businesses is Wishalert suitable for?

It is suitable for Shopify stores that frequently run out of products, sell seasonal collections, or work with fashion, cosmetics, accessories, lifestyle, or limited edition items. It's a powerful solution for brands looking to track favorite product behavior with insights into revenue, engagement, and orders.

Can customers use a wishlist without creating an account?

Yes. Wishalert offers guest wishlist support. Customers can add products to their favorites without creating an account, and store owners can track this product interest to make more data-driven decisions regarding campaigns, restocking, and remarketing.

Does it offer stock notifications, analytics, and API support?

Wishalert can send back-in-stock notifications via email and, on eligible plans, supports sending these notifications from your own domain. It also provides insights into wishlist-driven revenue, engagement, average cart value, and orders. With API access, wishlist data can be synchronized with mobile apps, CRMs, or custom storefronts.

HOW THE APP WORKS

How it works

1.
Install from the Shopify App Store

Add Wishalert to your Shopify store and start managing your wishlist and back-in-stock notification settings from the app panel.

2.
Configure wishlist and stock notification settings

Activate the wishlist structure that allows customers to favorite products and "notify me when back in stock" alerts for out-of-stock items. Adjust the necessary settings to enable guest users to save products as well.

3.
Track customer interest and manage re-engagement

Wishalert helps you track favorited products, back-in-stock notification requests, and the impact of wishlist behavior on orders. This allows you to more clearly see which products are generating the most interest, which stock needs to be replenished first, and which customers are likely to return for another purchase.

Frequently Asked Questions

What does BIS mean in Wishalert?
BIS stands for "back in stock." When an item on a wishlist is back in stock, it helps you recover potentially lost sales by sending notifications to customers.
Can customers use the wishlist without creating an account?
Yes. Guest wishlists are supported; customers can quickly save products while you monitor engagement signals.
Does Wishalert work with APIs and headless stores?
The application is designed to be API-friendly. With API access on eligible paid plans, you can connect wishlist data to mobile apps, third-party tools, or headless storefronts.
Can stock notifications be sent from my own domain?
Yes. You can send notifications from your own domain for a consistent brand experience.
Is there a free plan?
Yes. A free tier is offered with wishlist functionalities and monthly email limits; paid plans include higher limits, deeper analytics, and API access if applicable.
Can a customer use a wishlist without an account?
Yes. Wishalert offers wishlist support for both registered and guest users. Guest users store their lists in their browsers; when an account is created, the list is automatically transferred to the account.
WHY WISHALERT

Use Cases

Helps you identify your favorites

Suitable for fashion and lifestyle brands that generate repeat visits with saved products.

Helps identify frequently out-of-stock products

Suitable for stores with frequently out-of-stock products that require reliable inventory notifications.

Provides API & Software support

Facilitates teams using headless Shopify with API or custom applications

JOIN THOSE WHO CHOOSE US...

We provide Shopify solutions for everyone.

Do you want to set up a new Shopify store, improve your existing one, create custom integrations, or solve speed issues? We are expert Shopify partners who handle the technical work for you.

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