11 Best Shopify Stock Alert Apps in 2026

When products sell out on Shopify, merchants face a critical challenge: how to recapture lost sales opportunities and keep interested customers engaged until items are restocked. This is where stock alert and back in stock notifier apps become essential, allowing you to automatically notify shoppers the moment their desired products are available again. Choosing the right Shopify stock alert app isn’t just about sending notifications—it’s about flexibility, integrations, language support, and scalability as your store grows.

When evaluating the best Shopify stock alert apps, merchants should consider the range of notification channels (email, SMS, etc.), breadth of integrations with marketing platforms, language coverage for international customers, and how much control the app gives over notifications and analytics. Price transparency and scalability also matter: does the app grow with your store, and does the free tier provide real value? Ultimately, the best solution is the one that fits both your current needs and your future ambitions.

Our top pick for 2026 is SC Back in Stock Notify Me by Shop Circle. It leads for its wide language support, robust integrations, flexible notification options, and highly competitive pricing—making it an excellent fit for Shopify merchants of all sizes and stages.

SC Back in Stock Notify Me

SC Back in Stock Notify Me by Shop Circle solves the merchant’s out-of-stock problem by offering a comprehensive set of restock and back in stock alert features. The app enables Shopify stores to automatically notify customers via email or SMS when products are restocked, reducing lost sales and improving customer satisfaction. Its “notify me” buttons, real-time alerts, and customizable notification templates help merchants keep shoppers engaged even when inventory runs low.

• Key Capabilities: SC Back in Stock Notify Me supports back in stock alerts, restock notifications, “notify me” buttons, waitlists for out-of-stock products, price drop notifications, and low stock warnings. Merchants can send notifications via both email and SMS, set up batch and manual notifications, and customize templates to match their branding. The app allows bulk export of data, supports multi-location inventory, and provides analytics and reports to track performance. Integrations with Shopify Admin, Dotmailer, Klaviyo, Mailchimp, and Transcy extend its reach and marketing potential.
• Language Coverage: With support for 30 languages—including English, Czech, Danish, German, Finnish, Japanese, Korean, Portuguese (Brazil and Portugal), Chinese (Simplified and Traditional), French, Italian, Spanish, Russian, Greek, and Hindi—this app stands out for global stores targeting diverse customer bases.
• Pricing: The app is free to install, offering 50 email alerts and unlimited back in stock requests on the free tier. Paid plans start at $10/month for unlimited emails, $20/month for email and 200 SMS notifications, and $45/month for more advanced features like 500 SMS notifications, analytics, and custom email addresses.

Pros:

• Comprehensive feature set including both email and SMS notifications
• Extensive language coverage
• Flexible, scalable pricing starting at Free
• Integrates directly with Klaviyo, Mailchimp, and more
• Advanced analytics and inventory controls on higher tiers
• Built for Shopify, ensuring a smooth fit

Cons:

• SMS notifications and advanced analytics require a paid plan

Verdict: SC Back in Stock Notify Me is ideal for merchants who want a flexible, feature-rich back in stock alert solution that works across markets, languages, and notification channels—all at a competitive price, with strong integration support.

Preorder, Back In Stock ‑ STOQ

Preorder, Back In Stock ‑ STOQ by Artos Software is designed to help merchants grow sales with preorders, “notify me” buttons, and back in stock alerts. The app makes it easy to add preorder or notify me widgets to out-of-stock products, enabling customers to reserve items or sign up for restock notifications in just minutes.

• Key Capabilities: STOQ supports preorders, restock alerts, and fully customizable widgets. It offers unlimited registrations, automatic alerts, and supports both email and SMS notifications. The app integrates with Shopify POS, Shopify Admin, Flow, Klaviyo, Mailchimp, and Omnisend, making it a strong fit for merchants using multiple marketing tools.
• Language Coverage: STOQ supports 24 languages, including English, German, Danish, Dutch, Japanese, Korean, Spanish, Portuguese (Brazil and Portugal), Norwegian, Swedish, Turkish, and Vietnamese.
• Pricing: Starts free (10 preorders, 30 emails/month), $10/month (100 preorders, 1,000 email/SMS), $29/month (400 preorders, 2,000 alerts), and $69/month for unlimited usage.

Pros:

• Very high review count and 5-star rating
• Comprehensive preorder and notify me features
• Strong integration list including POS and major email platforms
• Customizable widgets and branding removal
• Built for Shopify

Cons:

• Bulk of advanced features, higher quotas, and branding removal require upgrade

Verdict: STOQ is a great fit for merchants prioritizing preorders alongside stock alerts, especially those who need extensive integrations and multi-language support at scale.

Preorder Now Presale Timesact

Preorder Now Presale Timesact by Kairock Partners SRL enables preorders, waitlists, and back in stock notifications. It offers product tagging to activate preorder, restock, or coming soon options, and supports advanced analytics and split payments.

• Key Capabilities: Preorder activation by product tag, unlimited email sending, unlimited email sign-ups, low stock badges, and flexible payment features. Integrates with major page builders and Klaviyo.
• Language Coverage: Supports 22 languages, including Czech, German, English, French, Japanese, Turkish, Thai, and Vietnamese.
• Pricing: Free for new users (20 orders/month), paid plans from $5/month to $23/month with advanced analytics and branding removal.

Pros:

• Unlimited email capacity on all plans
• Advanced preorder management and analytics
• Flexible payment options for preorders

Cons:

• Some features and branding removal require higher plans

Verdict: Timesact is well-suited to merchants who want granular control over preorder workflows, advanced analytics, and a variety of integration options.

Essent Preorder Back in Stock

Essent Preorder Back in Stock by Essential Apps combines preorder management with back in stock alert waitlists. It is designed to help merchants handle presales, preorders, and restock notifications in one platform.

• Key Capabilities: Variant-specific preorders, partial and full payment support, automated alerts, unlimited signups, and market targeting. Integrates with Essential Sticky Add to Cart, Omnisend, and PageFly.
• Language Coverage: Supports 24 languages including English, German, Korean, Norwegian, Russian, and Vietnamese.
• Pricing: Free for up to 10 preorders and 300 back in stock notifications per month; paid plans start at $5/month up to $25/month for higher quotas and advanced features.

Pros:

• Strong preorder and notification features
• Supports a wide range of languages
• Custom email domains and translations on advanced plans

Cons:

• Premium support and advanced features require paid tiers

Verdict: Essent Preorder Back in Stock is a compelling multi-lingual option for stores looking for variant-specific preorders and customizable notification workflows.

Preorder, Back in stock Duck

Preorder, Back in stock Duck by Peppyduck Ventures LLP focuses on presales, backorders, and “notify me” restock waitlists. It offers unlimited preorders on all plans and supports WhatsApp integration for notifications.

• Key Capabilities: Automated back in stock alerts, variant-specific notifications, unlimited signups, and customization of buttons and emails. Integrates with Klaviyo, Shopify Admin, and WhatsApp business.
• Language Coverage: English only.
• Pricing: Free for unlimited preorders and 50 back in stock emails per month; paid plans at $9, $29, and $89/month scale up quotas and integrations.

Pros:

• Unlimited preorders on all plans
• WhatsApp and email notifications
• All features included in Essentials and higher

Cons:

• English-only language support

Verdict: Best for merchants who want simple, unlimited preorders and WhatsApp alerts, and whose primary audience is English-speaking.

Notify Me! Back in Stock Alert

Notify Me! Back in Stock Alert covers waitlists, preorders, wishlists, and low stock notifications in a single app. It enables merchants to automate alerts by email, SMS, and push notifications.

• Key Capabilities: Automated multi-channel alerts, wishlist actions, low stock widgets, and deep integration with Klaviyo, Mailchimp, and Omnisend.
• Language Coverage: 13 languages, including English, Spanish, French, German, and Japanese.
• Pricing: Free lite plan, followed by $9.90, $19.90, and $39.90/month plans with increased quotas and customization.

Pros:

• Multi-channel alerts (email, SMS, push)
• Comprehensive wishlist and preorder features
• Integrates with leading marketing platforms

Cons:

• Advanced features and higher quotas require paid tiers

Verdict: Appropriate for merchants who want all-in-one wishlist, preorder, and stock notifications with a range of integrations and languages.

Amp Back in Stock & Preorder +

Amp Back in Stock & Preorder + by HEL SG PTE LTD provides back in stock alerts, preorders, wishlists, and low stock badges. The app supports notifications via email, SMS, and integrates with Klaviyo and Zapier.

• Key Capabilities: Unlimited preorders, SMS notifications, customizable buttons, and multi-language support. Integrates with Shopify Flow and Zapier.
• Language Coverage: English only.
• Pricing: Free plan for 10 notifications per month; paid tiers at $19, $49, and $99/month scale up notifications and add advanced integrations.

Pros:

• Unlimited preorders on paid plans
• SMS and email notifications
• Integrates with Zapier and Shopify Flow

Cons:

• English-only language support

Verdict: Suited for merchants with a primarily English-speaking audience who want to automate and customize notifications at scale.

Notify Me, Back in Stock: CW

Notify Me, Back in Stock: CW by CWILL offers customizable back in stock alerts for out-of-stock products. The focus is on ease of use and timely notifications via email and SMS.

• Key Capabilities: Inline and floating button display, unlimited subscriber sign-ups, 24/7 live chat support, and integration with Klaviyo and MailChimp.
• Language Coverage: 8 languages including English, Spanish, Italian, Japanese, Dutch, and Chinese.
• Pricing: Free plan for 10 notifications. Paid plans start at $9.90 and $29/month with increased quotas and SMS support.

Pros:

• Easy-to-use notification setup
• SMS and email support on higher plans

Cons:

• Higher quotas and SMS notifications require paid plans

Verdict: A good match for stores needing a straightforward back in stock alert app with simple integrations and multilingual support.

WC Wishlist & Back in Stock

WC Wishlist & Back in Stock by WebContrive Technologies Pvt Ltd provides wishlist alerts, restock, and price drop notifications designed to boost sales and customer engagement.

• Key Capabilities: Unlimited wishlists, automated reminders, advanced analytics, and integrations with tools like Judge.me, Loox, Klaviyo, Mailchimp, and Yotpo.
• Language Coverage: 10 languages including English, French, Arabic, German, Russian, Japanese, and Italian.
• Pricing: Starts at $4.99/month, with Pro, Advance, and Enterprise plans up to $24.99/month for API access and advanced analytics.

Pros:

• Strong wishlist and analytics features
• Wide integration support

Cons:

• No free tier; entry price is $4.99/month

Verdict: Ideal for merchants looking to combine wishlists with stock and price drop notifications, and who value deeper analytics.

EZ Preorder & Back In Stock

EZ Preorder & Back In Stock by Casual Ecommerce Apps focuses on enabling preorders and back in stock alerts with a simple, value-oriented approach.

• Key Capabilities: Preorder confirmation emails, custom notes, bulk editing, and support for partial payments and preorder discounts. Integrates with Shopify Admin and Checkout.
• Language Coverage: 5 languages including English, German, Italian, French, and Spanish.
• Pricing: Free for first 10 preorders or $400 and first 30 restock alerts; paid plans at $10, $20, and $30/month expand quotas and features.

Pros:

• Simple onboarding and value-oriented pricing
• Bulk editing and custom preorder workflows

Cons:

• Limited integrations and capped quotas on lower plans

Verdict: A fit for merchants who want basic preorder and restock alerts with simple setup and straightforward pricing.

PreOrder Now Back in Stock WOD

PreOrder Now Back in Stock WOD by Website on Demand Studio, LLC helps merchants capture sales with preorders and back in stock alerts. It’s designed for flexibility across different Shopify plan tiers.

• Key Capabilities: PreOrder badges, flexible partial payments, dynamic mixed cart alerts, and integrations with Google Analytics, Pagefly, and more.
• Language Coverage: English only.
• Pricing: Free for 1 product, $19.95/month for Shopify Basic, $39.95/month for Grow, and $59.95/month for Advanced, each unlocking more features and dedicated support.

Pros:

• PreOrder management tailored to Shopify plans
• Flexible payment options and support

Cons:

• English-only support
• Free plan very limited

Verdict: Works best for Shopify merchants who want plan-specific preorder management and priority support.

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

1. Notification Flexibility

Look for apps that offer multiple notification channels—such as email, SMS, or even WhatsApp—so you can reach customers where they’re most likely to respond. Consider if the app supports both automated and manual notifications, batch sending, and customizable templates to suit your brand voice.

2. Integration Ecosystem

The best Shopify stock alert apps integrate with your existing marketing stack, such as Klaviyo, Mailchimp, Omnisend, and Shopify POS. This enables you to build unified customer journeys and automate list building, ensuring customers who opt in for alerts are also funneled into your broader email or SMS campaigns.

3. Internationalization and Language Support

If you sell globally, language coverage is crucial. Some apps support dozens of languages, allowing you to offer a localized experience for customers in different regions. Check the app’s language list to ensure it matches your target markets.

4. Pricing and Scalability

Assess both the features included on the free tier and the scalability of paid plans as your store grows. Look at alert quotas, whether upgrades unlock advanced analytics, and if the pricing fits your store’s size and growth trajectory. Transparent pricing and value at each tier are strong indicators of a trustworthy app.

Final Recommendation

If you want a comprehensive, multilingual, and integration-rich solution, SC Back in Stock Notify Me stands out as the best all-around choice for Shopify merchants. Its flexible notification options, 30-language coverage, and competitive pricing tiers make it perfect for stores of any size or stage, whether you’re just starting out or scaling internationally.

For merchants who need advanced preorder management or very high notification quotas, solutions like Preorder, Back In Stock ‑ STOQ or Preorder Now Presale Timesact may be preferable. If your focus is on combining wishlists with stock alerts, WC Wishlist & Back in Stock is worth a look. Stores limited to English can find excellent value in Preorder, Back in stock Duck or Amp Back in Stock & Preorder +.

Ultimately, for most Shopify merchants seeking reliability, breadth of features, and unmatched language support at a fair price, Install SC Back in Stock Notify Me from the Shopify App Store.