Recover lost sales with instant Back-in-stock alerts
Capture demand and recover lost revenue. Automated back-in-stock alerts instantly notify shoppers and drive them back to your store.
Trusted by 18,000+
stores around the world
How it works
Effortlessly set up back-in-stock alerts and bring customers back with automated notifications.
Customers subscribe
Shoppers sign up for stock notifications directly on the product page.
Inventory updates in real time
STOQ syncs with Shopify to track restocks
Instant notifications
Once the product is back, an automated email or SMS alert is sent.
Customers return & purchase
Buyers are directed straight to the product page or checkout page to complete their order.
Why use Back in Stock alerts
Retain visitors
Back-in-stock alerts keep your customers engaged! They are less likely to purchase elsewhere, stay loyal and eventually purchase more too.
High conversion rates
Back-in-stock alerts can achieve impressive conversion rates. For example, BirkenstockCentral.com achieved a 22.45% conversion rate for their back-in-stock emails.
Better inventory management
Analyze waitlists to manage stock levels better and ensure that you are always restocking the right products - the ones your customers are most likely to purchase.
Set up in 2 minutes
Customize your Notify me button & notification alerts to match your brand with easy controls. Or chat with our team and we'll do it in minutes!
Capture your customer's interest no matter where they are on your store.
Convert visitors into future buyers by signing them up to your newsletters when they register for an alert.
Integrated with your store
Custom pages
Using CRO tactics with custom pages to convert customers better? Let Stoq help you with collecting signups from these pages too with our Featured products integration.
Powerful features to unlock lost sales today
Real-time alerts ensure customers never miss a restock, keeping demand high.
Real-time inventory
STOQ tracks any change to your inventory across all products and sends back in stock alerts soon as you restock.
Multi-channel notifications
Send email or SMS back in stock notifications to your customers.
Your Co-pilot
Let STOQ boost sales for you automatically with reminder notifications. Automatically re-notify customers if they haven't purchased the product yet.
Markets
Built for growing brands. STOQ sends notifications only when a product is available in your customer’s market.
Control delivery
Send notifications in batches, when you publish or when any variant is restocked. It’s all in your control.
Built for Shopify
With deep care for user experience, integration with admin and fast performance, STOQ is recommended by Shopify to merchants of all sizes.
Reports
See real time data on trending products and send notifications to customers anytime for a quick boost in sales.
Analytics
Get personalized reports on your back in stock alerts, including revenue, conversion and more.
Works with your app stack
Integrates seamlessly with your marketing stack, with support for Klaviyo, Mailchimp, Omnisend and more.
World class Support
Fast support from real humans with deep knowledge of the platform. It doesn’t get better than this.
Customer reviews
Star Rating
Why leading Shopify stores choose STOQ
See how STOQ delivers more value compared to Shopify’s built-in features and other apps.
Got questions? We have answers
Preorders enable customers to purchase products before they are available, ensuring businesses capture demand early. Orders are processed immediately or upon restock, depending on store settings.
Yes, Shopify’s preorder system integrates with discount codes and payment plans, including Buy Now, Pay Later (BNPL) options.
Yes, businesses can modify preorder buttons, product descriptions, and checkout messages to set clear expectations for customers
Shopify provides two options: charge customers upfront at checkout or authorize payment to be captured when the product is ready to ship.
Yes, Shopify allows merchants to set quantity limits on preorders to prevent overselling and better manage inventory.
Yes, alerts can be triggered for specific variants (e.g., size, color) so customers are notified only when their selected option is available again.
Yes, STOQ provides analytics on product demand, showing how many customers signed up and conversion rates after restock.
Shopify does not offer native back-in-stock notifications, but apps like STOQ provide automated alerts with seamless integration.
Yes, businesses can personalize email and SMS notifications to align with their branding, including messaging, timing, and design.
Back-in-stock alerts notify customers via email or SMS when an out-of-stock product is restocked. Customers opt in directly from the product page, ensuring they don’t miss their desired item.
By signaling limited availability, low stock alerts increase purchase urgency, drive faster conversions, and help reduce unsold inventory.
Yes, businesses can automate low stock notifications through multiple channels, including email and SMS, to maximize conversions.
Yes, low stock warnings apply to specific variants such as size or color, ensuring customers receive accurate availability updates.
Yes, merchants can define inventory thresholds (e.g., alert customers when stock drops below five units) to optimize urgency messaging.
Low stock warnings create urgency by notifying customers when inventory is running low, encouraging faster purchases and reducing abandoned carts.