Sell preorder & backorders with partial payments. Send Back in stock alerts on restock to waitlists! Use STOQ's Preorder or Notify Me button to create waitlists for out of stock products. Offer pre-order, backorder, presales with deposits or partial payment and unlock preorder revenue today. Or send back in stock when you restock via email/SMS automatically. Customize everything with 24*7 help. With STOQ, send back in stock alerts and get preorders with many features built for you - multiple locations, Klaviyo sync & back in stock emails, analytics, markets, reminder alerts & more! Use STOQ's Preorder or Notify Me button to create waitlists for out of stock products. Offer pre-order, backorder, presales with deposits or partial payment and unlock preorder revenue today. Or send back in stock when you restock via email/SMS automatically. Customize everything with 24*7 help. With STOQ, send back in stock alerts and get preorders with many features built for you - multiple locations, Klaviyo sync & back in stock emails, analytics, markets, reminder alerts & more! more Add Preorder or Notify me widget to your out of stock products in minutes Customize preorder button, restock alerts to match your brand, with 24*7 help Send back in stock email/SMS alerts to waitlist when you restock automatically Set up preorder, presales, back orders, deposit or partial payment orders B2B preorders, sync mailing list w/ Klaviyo, connect markets, locations & more
Custom alerts Shopify Apps
Discover the best Custom alerts apps for your Shopify store in 2026. Compare features, pricing, and reviews to find the perfect solution.
Looking for the Top Custom alerts Apps?
We've analyzed thousands of custom alerts apps to identify the top performers based on ratings and install counts.
View Best Custom alerts Apps
Grow sales with pre-order, backorder. Add out of stock waitlists with 'notify me' & restock alerts. Recover lost sales from your sold out pages with Pre-orders, and back in stock alerts. We've made our App super easy to get started - setup only takes a few minutes. Our 24/7 human-only live-chat support team helps you right away if you need any assistance. Recover lost sales from your sold out pages with Pre-orders, and back in stock alerts. We've made our App super easy to get started - setup only takes a few minutes. Our 24/7 human-only live-chat support team helps you right away if you need any assistance. more Grow sales on autopilot with Preorders and back in stock alerts Create Pre orders to generate real demand for out of stock products Add a Notify me button to create out of stock waitlists Send automatic back in stock alerts when your restock sold out products Works at a variant level: backorder, pre sale & back in stock alerts
Recover sales with automated Back in Stock Email, SMS & Low Stock Alerts. PW Stock Notify helps Shopify merchants recover lost sales with automated Back in Stock Email and SMS (Twilio) notifications. Customers can subscribe when products are sold out and receive instant alerts once they're available again. Customize your "Notify Me" button and popup to match your brand, send automatic or manual notifications, enable low stock alerts, manage subscribers with CSV exports, and track performance with built-in analytics. PW Stock Notify helps Shopify merchants recover lost sales with automated Back in Stock Email and SMS (Twilio) notifications. Customers can subscribe when products are sold out and receive instant alerts once they're available again. Customize your "Notify Me" button and popup to match your brand, send automatic or manual notifications, enable low stock alerts, manage subscribers with CSV exports, and track performance with built-in analytics. more Automated Back in Stock Email & SMS (Twilio) Notifications Fully Customizable Notify Me Button & Popup Experience Low Stock Alerts with Custom Inventory Thresholds Analytics for Recovered Sales, Subscribers & Product Demand Manual Notifications, CSV Exports & Subscriber Management
Automatically cancel fraudulent orders. Create rules for advanced protection & tagging orders. RedFlag helps prevent you from fulfilling fraudulent orders. It automatically cancels 'high-risk' orders, can send a cancellation confirmation to the customer, restocks the inventory, and refunds/voids the customer's payment (if any). RedFlag saves you time because you don’t need to manually comb through orders in your Shopify admin dashboard to take actions on orders. Premium members can create specific rules to tag orders for cancellation, alert the store owner or use for marketing purposes . RedFlag helps prevent you from fulfilling fraudulent orders. It automatically cancels 'high-risk' orders, can send a cancellation confirmation to the customer, restocks the inventory, and refunds/voids the customer's payment (if any). RedFlag saves you time because you don’t need to manually comb through orders in your Shopify admin dashboard to take actions on orders. Premium members can create specific rules to tag orders for cancellation, alert the store owner or use for marketing purposes . more Stop Chargebacks. The app cancels high-risk orders, and refunds automatically. Allows to customize your own fraud validation rules to suit your business needs. Once a high-risk order is canceled, RedFlag restocks the items automatically. Use rules to prevent certain known customers from placing orders on your store. Orders that match your rules can be tagged you can review them before fulfilling
Back in stock alerts, restock notification and waiting list for out of stock or coming soon items Turn sold out into sales with back in stock alerts, restock notification emails and a product waitlist. Add a notify me when available button so customers join the waitlist for out of stock, coming soon, preorder or presale items. Send a back in stock alert the moment you restock. Collect emails at variant level, build a wait list for every product, track demand and save customers to Shopify. Restock alert and waiting list emails are customizable, send reminders to clients who is on waitlist. Turn sold out into sales with back in stock alerts, restock notification emails and a product waitlist. Add a notify me when available button so customers join the waitlist for out of stock, coming soon, preorder or presale items. Send a back in stock alert the moment you restock. Collect emails at variant level, build a wait list for every product, track demand and save customers to Shopify. Restock alert and waiting list emails are customizable, send reminders to clients who is on waitlist. more Notify me when available button for sold out, out of stock & coming soon product Restock alert and waiting list to send back in stock email when you restock ite Waitlist app collect emails for restock notification at variant level Back in stock notifications, restock notification emails and reminder alerts Coming soon products, preorder & presale wait list. Track demand, boost sales
Protects your store against unwanted access, spy trackers, content copies and fake DMCA. Sales Shield is the the ideal protection solution for your store, guaranteeing the confidentiality of your sales, the security of your exclusive content, fraud prevention and DMCA. Block countries, IPs and redirect access by geolocation. Protect yourself against unauthorized copying by disabling inspect elements, keyboard shortcuts, right-click, text selection and image saving. Block extensions, hide best-selling products with 'fake' sales for spy trackers like ShopHunter and PPspy. Sales Shield is the the ideal protection solution for your store, guaranteeing the confidentiality of your sales, the security of your exclusive content, fraud prevention and DMCA. Block countries, IPs and redirect access by geolocation. Protect yourself against unauthorized copying by disabling inspect elements, keyboard shortcuts, right-click, text selection and image saving. Block extensions, hide best-selling products with 'fake' sales for spy trackers like ShopHunter and PPspy. more Protects your store from unauthorized access, trackers, content copying and DMCA Disable right-click, keyboard shortcut, save image and select text. Block inspect elements, spy extension, real sales tracking. Block countries and/or IPs from accessing your store. Redirect access from selected countries to desired URL.
Notify Me buttons, Back in Stock, Restock Alert, & Out of Stock Alert for Back in Stock products. Recover lost sales and increase revenue with Back in Stock alerts sent via email and SMS. Let customers join waitlists for Out of Stock products with automatic Restock notifications. Support Notify Me widgets for Back in Stock alerts, preorder waitlists, price drop notifications, and low stock warnings - converting interested shoppers into paying customers. Customize Back in Stock alert templates to match your brand and retarget subscribers with exclusive offers to maximize conversion rates. Recover lost sales and increase revenue with Back in Stock alerts sent via email and SMS. Let customers join waitlists for Out of Stock products with automatic Restock notifications. Support Notify Me widgets for Back in Stock alerts, preorder waitlists, price drop notifications, and low stock warnings - converting interested shoppers into paying customers. Customize Back in Stock alert templates to match your brand and retarget subscribers with exclusive offers to maximize conversion rates. more Convert lost sales with automated Back in Stock and Notify Me alerts Email and SMS notifications for low stock, out of stock and restock alerts Track B2B and D2C demand to optimize retargeting with personalized alerts Real-time Back in Stock alerts to trigger FOMO and re-engage potential buyers Manual Back in Stock alerts, Custom CSS, Notification filters, resend, and more!
Widget for urgency & scarcity, FOMO, low stock alerts, stock levels & countdowns on your store. Create urgency, FOMO and scarcity on your product pages with low stock alerts, stock counters, and countdowns. Display customizable stock levels based on your inventory. Set different messages for low stock. Show shoppers how many items are left in stock and encourage them to buy before products sell out. Add a stock countdown and customizable stock indicator to make your scarcity message stand out. Choose your inventory thresholds and control when each message appears on your product page. Create urgency, FOMO and scarcity on your product pages with low stock alerts, stock counters, and countdowns. Display customizable stock levels based on your inventory. Set different messages for low stock. Show shoppers how many items are left in stock and encourage them to buy before products sell out. Add a stock countdown and customizable stock indicator to make your scarcity message stand out. Choose your inventory thresholds and control when each message appears on your product page. more Create urgency with low stock alerts & scarcity counters Show real-time stock levels and remaining inventory with FOMO Display stock countdowns and "only X left" messages Set inventory level to show a stock countdown & inventory counter on the page. Use pulse animations to make stock counters stand out with FOMO
Identify fraud and prevent chargebacks. SEON's anti-fraud technology keeps your business safe so you can focus on growth and customer success. SEON uses real-time analysis of numerous data points such as email, phone, IP, card data, device info, behavior analysis, and more to validate transactions with the power of AI and machine learning. Leverage our industry-leading eCommerce fraud rules and create custom rules unique to your business. SEON's anti-fraud technology keeps your business safe so you can focus on growth and customer success. SEON uses real-time analysis of numerous data points such as email, phone, IP, card data, device info, behavior analysis, and more to validate transactions with the power of AI and machine learning. Leverage our industry-leading eCommerce fraud rules and create custom rules unique to your business. more Integration: connect to SEON's platform and start fighting fraud immediately Security: protect your store from fraudulent activities, chargebacks, and losses Flexibility: Customize fraud rules; develop whitelists and blacklists Automation: Capture payments for approved orders and cancel fraudulent ones Data transparency: Assess, review, and optimize with data-driven insights
Alerts for late or unscanned shipments and late fulfillments. Auto customer emails based on status. Know about shipping issues before customers complain or demand refunds. Receive alerts for late shipments, unscanned packages, or late fulfillments, including dropship or 3PL orders. Reduce support tickets with auto customer notifications based on status. View and filter all shipments from your stores in one dashboard. Set your estimated delivery time and receive alerts when shipments exceed this. All US carriers supported (please check our site for the complete list). Know about shipping issues before customers complain or demand refunds. Receive alerts for late shipments, unscanned packages, or late fulfillments, including dropship or 3PL orders. Reduce support tickets with auto customer notifications based on status. View and filter all shipments from your stores in one dashboard. Set your estimated delivery time and receive alerts when shipments exceed this. All US carriers supported (please check our site for the complete list). more Email and SMS alerts for late delivery, unscanned packages, unfulfilled orders. Customer notifications based on shipment status. Reduce WISMO and chargebacks. View all shipment statuses in one place with filters and sorting. Easily connect to shipping software or other shopping carts to import orders. Recommended actions for late shipments based on tracking data.
Overvåg og få besked om butiksproblemer og system nedbrug fra dine vigtigste integrationer. Overvåg og få besked om butiksproblemer og system nedbrug fra dine vigtigste integrationer. Få direkte besked i din indbakke i tilfælde af nedbrud fra dine betalingssystemer, fragtsystemer eller marketingplatforme. Få hjælp til at handle rettidigt og undgå tabte ordre eller spildte annoncekroner. Overvåg status og oppetid på systemer som Pensopay, Shipmondo, Webshipper, Klaviyo, Quickpay og mange flere. Overvåg og få besked om butiksproblemer og system nedbrug fra dine vigtigste integrationer. Få direkte besked i din indbakke i tilfælde af nedbrud fra dine betalingssystemer, fragtsystemer eller marketingplatforme. Få hjælp til at handle rettidigt og undgå tabte ordre eller spildte annoncekroner. Overvåg status og oppetid på systemer som Pensopay, Shipmondo, Webshipper, Klaviyo, Quickpay og mange flere. more Undgå spildte annoncekroner og tabte ordre Vi overvåger alle dine vigtige platforme 24/7 og alarmerer dig Installer med et klik og vælg dine ønskede overvågninger
Automate supplier, customer, vendor and staff order notifications using our powerful rule engine. Smart Order Emails is built for merchants who require control over their order notifications. Reduce the overhead of manually filtering and passing orders to suppliers, vendors, staff, and customers with our easy to use rule creator. Benefit from advanced line item filtering, customisable email templates, batch notification sending, delayed notifications as well as fully customisable PDF and CSV attachments. Smart Order Emails is built for merchants who require control over their order notifications. Reduce the overhead of manually filtering and passing orders to suppliers, vendors, staff, and customers with our easy to use rule creator. Benefit from advanced line item filtering, customisable email templates, batch notification sending, delayed notifications as well as fully customisable PDF and CSV attachments. more Trigger custom order notification emails & webhooks based on rules you define. Create rules based on SKU, vendor, tag or any other attribute of an order. Send via email and attach CSVs or PDFs with fully customizable templates. Filter which line items appear in the notification using filter rules. Send daily or weekly batches of orders in a single notification.
SmartNotify allows you to get notifications in Slack for all the important events in your shop. SmartNotify allows you to get notifications in Slack for all the important events in your Shopify shop. Never miss an order and get your goods into the hand of your customers even quicker! SmartNotify allows you to get notifications in Slack for all the important events in your Shopify shop. Never miss an order and get your goods into the hand of your customers even quicker! more Receive Slack notifications for new orders, status updates, refunds and more Connect as many Slack channels as you want to – even from different workspaces Send different events to different Slack channels (public, private, or DMs) Configure conditions to only get notified when certain conditions are met Choose between compact and detailed message templates
Create scarcity with Sold Stock Count, Low Stock Counter on your product pages & collection pages. You may be driving many visitors to your store, but you're still not getting the number of purchases you'd like. Potential customers are interested in your product but aren't motivated to buy. To fix this, start displaying the sold stock count, low stock count, inventory display & countdown timer on your product & collection pages. Doing this triggers FOMO - Fear of Missing Out, which creates scarcity & urgency for your customers to buy from you immediately! You may be driving many visitors to your store, but you're still not getting the number of purchases you'd like. Potential customers are interested in your product but aren't motivated to buy. To fix this, start displaying the sold stock count, low stock count, inventory display & countdown timer on your product & collection pages. Doing this triggers FOMO - Fear of Missing Out, which creates scarcity & urgency for your customers to buy from you immediately! more Hurrify visitors with Low stock alerts, sold count & create a sense of scarcity Create social proof & urgency with inventory display & countdown timer Display in stock left or replenishing soon & another widget when sold out Customize widget when inventory quantity is one left in stock or high in stock Stock level threshold, inventory counter, countdown on product & collection page
Get instant low stock alerts to manage inventory, avoid stockouts, and prevent lost sales. Stock Alert Pro ensures you never miss a restock with timely low stock alerts and inventory notifications. Prevent stockouts, inventory shortages, and lost sales by automating alerts and staying informed about your stock levels. Simplify inventory management with clear, actionable stock notifications, allowing you to focus on growing your business. Stock Alert Pro is the essential tool for proactive store owners to keep products available. Stock Alert Pro ensures you never miss a restock with timely low stock alerts and inventory notifications. Prevent stockouts, inventory shortages, and lost sales by automating alerts and staying informed about your stock levels. Simplify inventory management with clear, actionable stock notifications, allowing you to focus on growing your business. Stock Alert Pro is the essential tool for proactive store owners to keep products available. more Instant low stock or restock alerts to prevent inventory shortages. Customizable thresholds for triggering notifications based on stock levels. Comprehensive reports to track stock levels over time. Seamless integration with existing store operations. Manage all product alerts from an easy-to-use interface.
Stimulate sales with FOMO-inducing low stock alerts, sales counters or add-to-cart or sales popups. StockSheep provides all three elements essential for higher conversion rates: urgency, scarcity and social proof. You can display widgets that are 100% editable, using either stock, sales data, or both taking data dynamically from your store. You can even add progress bars and use our presets to make them pop more for looks that look professionally designed and publish in less than a minute. Use any language and position widgets anywhere on the page with our easy-to-use injecting method. StockSheep provides all three elements essential for higher conversion rates: urgency, scarcity and social proof. You can display widgets that are 100% editable, using either stock, sales data, or both taking data dynamically from your store. You can even add progress bars and use our presets to make them pop more for looks that look professionally designed and publish in less than a minute. Use any language and position widgets anywhere on the page with our easy-to-use injecting method. more Display low sock alert, stock countdown or both to increase scarcity Display add-to-carts and sales popups for FOMO-inducing social proof Use display rules and product segmentations for custom alerts display Use design presets for pop-ups, low stock countdown and sales alerts Customize with custom backgrounds, progress bars and emojis
Manage inventory, purchase orders and stocktakes. Know what to reorder and when. Manage inventory at one location or across many. Plan reorders with inventory forecasting, min/max levels, lead times and safety stock. Generate purchase orders quickly from forecast or min/max quantities. Scan deliveries and sync received stock to Shopify. Run stocktakes and cycle counts to review and update stock. Track landed costs and inventory value, manage supplier returns and schedule email reports. Get low stock alerts via email or Slack. Connect your tools and AI agents via API. Manage inventory at one location or across many. Plan reorders with inventory forecasting, min/max levels, lead times and safety stock. Generate purchase orders quickly from forecast or min/max quantities. Scan deliveries and sync received stock to Shopify. Run stocktakes and cycle counts to review and update stock. Track landed costs and inventory value, manage supplier returns and schedule email reports. Get low stock alerts via email or Slack. Connect your tools and AI agents via API. more Demand forecasting or min/max levels: plan when and how much to reorder. Purchase orders & supplier management: generate POs from reorder suggestions. Stocktakes and cycle counts: scan barcodes, review differences and update stock. Landed costs and inventory reports: track stock value, sales and slow sellers. Low stock alerts: notify your team by email or Slack and schedule email reports.
Boost sales with real-time stock counters, low-stock alerts & urgency bars. Stockify enhances your product pages with dynamic inventory displays that create urgency and build customer trust. Our customizable stock counters show real-time inventory levels in three engaging formats: animated counters with pulsing indicators, visual progress bars, and icon-based status displays. Each element integrates seamlessly with your theme and updates automatically as inventory changes. Stockify enhances your product pages with dynamic inventory displays that create urgency and build customer trust. Our customizable stock counters show real-time inventory levels in three engaging formats: animated counters with pulsing indicators, visual progress bars, and icon-based status displays. Each element integrates seamlessly with your theme and updates automatically as inventory changes. more Real-time inventory updates that sync automatically with your store. Easy theme integration with no coding required. Stock counters with animated indicators for eye-catching displays. Visual progress bars showing remaining inventory percentage Icon-based status displays with customizable threshold warnings
Stay ahead of your store with real-time notifications and insights. StoreAlert keeps you update by sending notification email for every hassle. Create custom notifications for key store happenings. Whenever an event triggers, such as product deletion, creation, price change, an automatic notification is sent based on that event. StoreAlert keeps you update by sending notification email for every hassle. Create custom notifications for key store happenings. Whenever an event triggers, such as product deletion, creation, price change, an automatic notification is sent based on that event. more Get timely updates on everything happening in your Shopify store. Receive alerts triggered by specific actions in your Shopify store. Get notified with relevant details for each Shopify store event. Browse and filter events in your Shopify store
Avoid losing sales with back in stock alert, preorder, backorder, notify me and partial payment SyncX Preorder and Notify Me helps rock your sales with complete business strategies. First, setting up preorder/ presale / preorder badge for unreleased products can leverage scarcity to drive demand. Second, Full/partial payment options ensure a steady cash flow and facilitate accurate market demand. Thirdly, back in stock alerts mitigate lost sales by hitting notify me button when replenishing out-of-stock items. Lastly, you can manage and export as CSV for preorder and BIS requests easily. SyncX Preorder and Notify Me helps rock your sales with complete business strategies. First, setting up preorder/ presale / preorder badge for unreleased products can leverage scarcity to drive demand. Second, Full/partial payment options ensure a steady cash flow and facilitate accurate market demand. Thirdly, back in stock alerts mitigate lost sales by hitting notify me button when replenishing out-of-stock items. Lastly, you can manage and export as CSV for preorder and BIS requests easily. more Setup "Preorder Now" button in product, home, collection and even search pages Create presales discounts (20 %, 50 % OFF) with limited items Easily split payment to full/ partial payment with discounts Back in stock alert by enabling "Notify me" button for out of stock products Keep customers stay with "Similar products" & attractive preorder badge display
Related Categories
About Custom alerts Apps for Shopify
Custom alerts apps are essential tools for Shopify merchants looking to enhance their store's functionality and improve customer experience. These specialized applications help store owners streamline operations, increase sales, and provide better service to their customers.
When choosing a custom alerts app for your Shopify store, consider factors such as features, pricing, customer support, and compatibility with your theme and other apps. Reading reviews from other merchants can also provide valuable insights into the app's performance and reliability.
The apps listed on this page represent some of the best custom alerts solutions available in the Shopify App Store. Each has been selected based on its functionality, user ratings, and overall value for Shopify merchants.