8 Best Shopify Stock Alert Apps in 2026

Running a Shopify store means constantly balancing inventory with customer demand. Out-of-stock products can frustrate shoppers, lead to lost revenue, and damage brand loyalty. That’s why stock alert apps—tools that automatically notify customers when an item is restocked or available for preorder—have become essential for merchants of all sizes. The right app can recapture sales, keep customers engaged, and provide valuable insights for inventory planning.

When choosing a Shopify stock alert app, merchants should evaluate the breadth of notification options (email, SMS, push), available integrations with marketing platforms, support for multiple languages and locations, ease of use, and pricing flexibility. Feature depth, automation, and reporting tools also matter, especially for fast-growing stores or those with international audiences.

Executive summary: SC Back in Stock Notify Me is our #1 pick for Shopify stock alert apps in 2026. With unmatched language support, robust notification options, deep email and SMS capabilities, and a highly flexible free tier, it’s the most complete solution for stores looking to recover lost sales and delight customers worldwide.

SC Back in Stock Notify Me

Overview: SC Back in Stock Notify Me by Shop Circle helps Shopify merchants automatically notify shoppers when out-of-stock items are restocked. Its main use case is sending customizable back in stock and restock alerts to customers, ensuring interested buyers return to complete their purchases without manual follow-up.

• Key Capabilities: The app supports back in stock alerts, notify me buttons, restock and out-of-stock alerts, email and SMS notifications, low stock warnings, manual and real-time notifications, and powerful integrations with Shopify Admin, Klaviyo, Mailchimp, Dotmailer, and Transcy. Merchants can customize alert templates, manage waitlists, and automate notifications based on inventory changes. Bulk export and multi-location support streamline management for larger catalogs.
• Language Support: With support for 30 languages—including major European and Asian languages, Portuguese for both Brazil and Portugal, and Hindi—SC Back in Stock Notify Me is ideal for international stores.
• Integrations: Robust connections with Shopify Admin, Klaviyo, Mailchimp, Dotmailer, and Transcy facilitate seamless marketing workflows and multilingual customer engagement.

Pricing Breakdown:

• Free to install: 50 email alerts, unlimited back in stock requests, automatic notifications, bulk export, and integrations.
• Email Only ($10/month): Unlimited emails, batch notifications, multi-location, inventory controls, and sync with Klaviyo & Mailchimp.
• Starter ($20/month): Adds 200 SMS notifications, automatic SMS token refill, analytics, and reports.
• Pro ($45/month): 500 SMS notifications, custom email addresses, and advanced SMS features.

Pros:

• Comprehensive notification channels (email and SMS)
• Free tier covers unlimited requests and core features
• Broadest language support in the category (30 languages)
• Deep integration with major email marketing solutions
• Manual, batch, and automatic notification options
• Detailed analytics and reporting at higher tiers
• Built for Shopify and in the App Store since 2016

Cons:

• SMS features only available on paid plans
• Advanced analytics and reports require Starter or Pro plans

Verdict: SC Back in Stock Notify Me is the best all-around choice for merchants who want a feature-rich, globally accessible, and scalable stock alert solution that grows with their store—especially those requiring multilingual support and flexible notification options.

Essent Preorder Back in Stock

Overview: Essent Preorder Back in Stock by Essential Apps combines pre-order management, presale tools, and back in stock alert waitlists. Merchants can let customers preorder out-of-stock or coming-soon products, automate restock notifications, and offer full or partial payment options.

• Key Capabilities: The app supports preorders, backorders, presale for coming-soon and made-to-order items, automated alerts, and unlimited notify-me signups. It offers variant-specific preorders, custom buttons and forms, and advanced preorder features. Integrates with Checkout, Shopify Admin, Essential Sticky Add to Cart, Omnisend, PageFly, and Sidekick.
• Language Support: Supports 24 languages, including English, German, Danish, Dutch, Japanese, Korean, and Vietnamese.
• Integrations: Links with checkout, page builders, and email marketing tools.

Pricing Breakdown:

• Free: 10 preorders, 300 back in stock notifications per month, unlimited Notify Me signups, and 24/7 support.
• Lite ($5/month): 50 preorders, 500 notifications, translations, and custom email domain.
• Starter ($9/month): 100 preorders, 1000 notifications, specific markets, mixed cart validation.
• Essentials ($25/month): 500 preorders, 3000 notifications, and advanced features.

Pros:

• Strong preorder and presale functionality
• Automated notifications and custom sign-up flows
• Low pricing for core features
• 24-language support for international growth
• Built for Shopify

Cons:

• SMS notification capabilities not specified
• Some features require higher-tier plans

Verdict: Essent Preorder Back in Stock is well-suited for stores prioritizing preorders and presale workflows alongside stock alerts, especially if they serve multiple international markets and want an affordable starting price.

Preorder, Back in stock Duck

Overview: Preorder, Back in stock Duck by Peppyduck Ventures LLP allows merchants to create presales, backorders, and restock waitlists. The app is designed for seamless preorder management and back in stock alerts with unlimited signups and flexible notification methods.

• Key Capabilities: Unlimited preorders, variant-specific back in stock alerts, preorder confirmation emails, and integrations with checkout, Shopify Admin, Klaviyo, WhatsApp Business, and more.
• Language Support: English only.

Pricing Breakdown:

• Free: Unlimited preorders, 50 back in stock emails per month.
• Essentials ($9/month): Unlimited preorders, 500 back in stock emails, mailing list growth features.
• Pro ($29/month): 3,000 back in stock emails, all integrations, WhatsApp alerts.
• Elite ($89/month): Unlimited back in stock alerts, dedicated Customer Success Manager.

Pros:

• Unlimited preorders at every tier
• WhatsApp and API integrations at higher tiers
• Feature-rich free plan
• Dedicated CSM for top-tier merchants
• Built for Shopify

Cons:

• Supports only English
• SMS notification support not specified

Verdict: Preorder, Back in stock Duck excels for merchants who want unlimited preorders and back in stock alerts with a focus on WhatsApp and API integrations, but is best for English-speaking stores.

Notify Me! Back in Stock Alert

Overview: Notify Me! Back in Stock Alert by Notify Me! offers a comprehensive suite for waitlists, preorders, wishlists, and low stock alerts. Merchants can automate restock notifications across multiple channels and manage B2B or D2C preorder workflows.

• Key Capabilities: Automated email, push, and SMS alerts, low stock widgets, customizable buttons and forms, and multi-channel notification options. Integrates with Shopify POS, Klaviyo, Mailchimp, Omnisend, PushOwl, and more.
• Language Support: 13 languages, including English, Spanish, French, and Chinese (Simplified).

Pricing Breakdown:

• Lite (Free): 10 restock notifications, 5 preorders, 50 wishlist actions.
• Kickstart ($9.90/month): 500 preorders, 500 alerts, 2000 wishlist actions, advanced customization.
• Starter ($19.90/month): 500 preorders, 500 alerts, advanced reporting.
• Standard ($39.90/month): 1500 alerts, 10000 wishlist actions, priority support.

Pros:

• Extensive integration list
• Automated notifications via email, push, and SMS
• Supports B2B and D2C workflows
• Highly customizable widget and notification options
• Built for Shopify

Cons:

• Free tier limited to 10 notifications/month
• Some advanced features require higher pricing tiers

Verdict: Notify Me! Back in Stock Alert is a strong fit for merchants needing multi-channel notifications and extensive integration options, particularly those running both B2B and D2C operations.

Amp Back in Stock & Preorder +

Overview: Amp Back in Stock & Preorder + by HEL SG PTE LTD delivers back in stock alerts, preorders, wishlists, and low stock badges. The app enables merchants to recover sales from out-of-stock products quickly.

• Key Capabilities: Email, SMS, and push notifications, unlimited preorders, wishlists, low stock badges, customizable notifications, activity reports, and integrations with Shopify Flow, Klaviyo, MailChimp, and Zapier.
• Language Support: English only.

Pricing Breakdown:

• Free: 10 notifications/month, unlimited registrations.
• Starter ($19/month): 500 notifications/month, unlimited preorders, SMS notifications.
• Growth ($49/month): 2000 notifications/month, custom domain, delivery policy customization.
• Pro ($99/month): Unlimited notifications, API access, all features included.

Pros:

• Instant notifications via email, SMS, and push
• Unlimited preorders on all paid plans
• Advanced integrations (Shopify Flow, Zapier)
• Custom domain support at higher tiers
• Built for Shopify, on the App Store since 2011

Cons:

• Supports only English
• Higher starting price for full feature access

Verdict: Amp Back in Stock & Preorder + is a solid option for merchants who need advanced automation and integration features, and are comfortable with English-only support.

Notify Me, Back in Stock: CW

Overview: Notify Me, Back in Stock: CW by CWILL provides customizable back in stock alerts for out-of-stock products, helping merchants recapture sales from inventory gaps.

• Key Capabilities: Automated email and SMS notifications, inline and floating button display, custom notification rules, and integrations with Ecomposer, gempage, Klaviyo, and MailChimp.
• Language Support: 8 languages, including English, Spanish, Italian, Japanese, and German.

Pricing Breakdown:

• Free: 10 notifications/month, unlimited sign-ups.
• Starter ($9.90/month): 50 notifications/month, all integrations, product-specific button display.
• Growth ($29/month): 3000 notifications/month, custom notification rules, SMS, auto-translation.

Pros:

• Automated email and SMS notifications
• Supports multiple languages
• Customizable notification rules at higher tiers
• Built for Shopify

Cons:

• Notification limits on lower tiers
• Feature set less broad than leading apps

Verdict: Notify Me, Back in Stock: CW fits merchants seeking a straightforward, customizable notification tool with multi-language support and integration flexibility.

EZ Preorder & Back In Stock

Overview: EZ Preorder & Back In Stock by Casual Ecommerce Apps enables merchants to accept preorders and display "notify me" stock alerts, making it easier to capitalize on demand for both current and future products.

• Key Capabilities: Preorders for sold-out, coming-soon, or unreleased products, restock alerts, language translation, bulk editing, partial payments, preorder discounts, and integration with Shopify Admin and Checkout.
• Language Support: 5 languages, including English, German, Italian, French, and Spanish.

Pricing Breakdown:

• Free: First 10 preorders or $400, 30 restock alerts, language translation.
• Core ($10/month): 50 preorders, 250 restock alerts, bulk editing.
• Growth ($20/month): 150 preorders, 750 restock alerts, advanced preorder presentation.
• Professional ($30/month): 300 preorders, 1500 restock alerts, partial payments, free gifts with preorder.

Pros:

• Affordable entry-level plans
• Partial payments and preorder discounts at higher tiers
• Bulk editing for larger catalogs
• Built for Shopify

Cons:

• Notification limits on all plans
• Integration list is shorter than top competitors

Verdict: EZ Preorder & Back In Stock is best for small to mid-sized merchants looking for basic preorder and stock alert functionality with straightforward pricing.

PreOrder Now Back in Stock WOD

Overview: PreOrder Now Back in Stock WOD by Website on Demand Studio, LLC lets merchants capture sales with preorders and back in stock alerts, including automatic shipping update emails when preorder status changes.

• Key Capabilities: Publish preorder products, dynamic mixed cart alerts, preorder badges, partial payments, free gifts, instant support, and integrations with Google Analytics, In Cart Upsell, Trackify X, and more.
• Language Support: English only.

Pricing Breakdown:

• Free: 1 free preorder product, mixed cart alerts, fast email support.
• Shopify Basic ($19.95/month): Unlimited preorder products, preorder badges, discounts, partial payments.
• Shopify Grow ($39.95/month): Unlimited preorder products, additional support for Shopify Grow/Standard stores.
• Shopify Advanced ($59.95/month): Unlimited preorder products, dedicated support for Shopify Advanced stores.

Pros:

• Automatic shipping update emails for preorder status
• Partial payments and discounts
• Dedicated support tiers for different Shopify plans
• Built for Shopify, on the App Store since 2017

Cons:

• English only
• Key features (like unlimited preorders) behind paid plans

Verdict: PreOrder Now Back in Stock WOD is most suitable for merchants focused on advanced preorder workflows and Shopify plan-specific support, but is limited to English-speaking customers.

Buyer's Guide: How to Choose the Best Shopify Stock Alert App

1. Notification Channels

Consider what notification options each app offers: some provide only email alerts, while others add SMS or push notifications. If you serve a global audience or want to reach customers instantly, look for apps supporting both email and SMS, as well as integrations with marketing platforms like Klaviyo or Mailchimp.

2. Language and Internationalization

If your store caters to customers in multiple languages, choose an app with strong language support. Look for the number of languages supported and whether templates can be customized for each market. SC Back in Stock Notify Me leads the field here, supporting 30 languages.

3. Integration Ecosystem

Check which third-party services the app can connect with. Integrations with Shopify Admin, email marketing platforms, or tools like Zapier and Shopify Flow can help automate workflows and keep your marketing stack unified.

4. Pricing Flexibility and Scalability

Review the features included at each pricing tier and the limits on notifications, preorders, or integrations. Some apps charge extra for advanced notification types or higher usage, so pick a plan that matches your expected volume and growth plans.

Final Recommendation

Choosing the right Shopify stock alert app comes down to your store’s needs and scale. If you need comprehensive notification channels, deep multilingual support, and a flexible free tier, SC Back in Stock Notify Me is the best choice for most merchants, especially those selling internationally or with complex inventory. For stores primarily focused on preorders or with niche requirements, options like Essent Preorder Back in Stock or Notify Me! Back in Stock Alert may be a fit. Merchants emphasizing advanced automation or unique integrations might consider Amp Back in Stock & Preorder +.

For an all-in-one stock alert and notification solution that is proven, scalable, and built for Shopify, install SC Back in Stock Notify Me from the Shopify App Store today.