7 Best Shopify Stock Alert Apps in 2026

Stockouts can cost Shopify merchants significant revenue and frustrate loyal customers. When popular products run out, shoppers want to know the moment they're back—and merchants need efficient ways to capture that demand, automate restock notifications, and even offer preorders. That's where Shopify stock alert apps come in. These tools let you add "Notify Me" buttons, manage waitlists, and send back in stock alerts by email, SMS, or push notification, helping you recover lost sales and improve customer experience.

Choosing the right Shopify stock alert app requires balancing several factors: alert channel options (email, SMS, push), notification limits, language support, integrations with your marketing stack, and the ability to handle high traffic or international needs. Pricing and feature depth vary widely, so it's crucial to match your needs to an app's capabilities—especially if you require multi-language support, advanced automation, or bulk management.

Our top pick is SC Back in Stock Notify Me by Shop Circle. It stands out for its broad language coverage (30 languages), deep feature set—including both email and SMS alerts—and scalable plans for stores of any size, all built by a trusted Shopify partner since 2016.

SC Back in Stock Notify Me

SC Back in Stock Notify Me by Shop Circle is designed to help Shopify merchants recover revenue lost to stockouts by letting shoppers sign up for notifications when products are replenished. Merchants can add customizable "Notify Me" buttons, automate restock alerts via email and SMS, and manage waitlists to gauge demand on out-of-stock products.

• Key capabilities: Back in stock alerts, notify me buttons, restock and out of stock alerts, email and SMS notifications, customizable alert templates, waitlists, price drop notifications, low stock warnings, manual and real-time notifications, bulk export, batch notifications, multi-location support, inventory controls, analytics, and integrations with Shopify Admin, Klaviyo, Mailchimp, Dotmailer, and Transcy.
• Languages: Supports 30 languages, making it an excellent choice for international stores.
• Integrations: Connects with Shopify Admin, Klaviyo, Mailchimp, Dotmailer, and Transcy for tight marketing automation and localization.

Pricing:

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

Pros:

• Comprehensive alert coverage: email, SMS, real-time, price drop, and low stock notifications.
• Extensive language support—30 languages.
• Flexible, scalable pricing with a robust free tier.
• Deep integrations with leading marketing tools.
• Built for Shopify and on the App Store since 2016.

Cons:

• SMS notifications are included only in paid plans (from $20/month).

Verdict: SC Back in Stock Notify Me is ideal for merchants seeking a mature, feature-rich solution that covers both email and SMS alerts, supports international customers, and offers flexible growth options. Its blend of breadth, integrations, and language coverage makes it a top choice for both growing and established Shopify stores.

Essent Preorder Back in Stock

Essent Preorder Back in Stock by Essential Apps combines preorder management, presale, and back in stock notification features. Merchants can enable preorders for out-of-stock or upcoming items, manage waitlists, and send notification emails when inventory is replenished.

• Key capabilities: Preorder manager, presale, back in stock alerts, waitlists, variant-specific preorder/back in stock, full and partial payment options, unlimited notify me signups, custom forms, and automated notifications.
• Languages: Supports 24 languages.
• Integrations: Checkout, Shopify Admin, Essential Sticky Add to Cart, Omnisend, PageFly, Product option apps, and Sidekick.

Pricing:

• Free: 10 preorders/month, 300 back in stock notifications/month, unlimited notify me signups, customizable forms and emails.
• Lite ($5/month): 50 preorders, 500 notifications, translations, preorder confirmation email, custom domain, advanced features.
• Starter ($9/month): 100 preorders, 1,000 notifications, market-specific features, mixed cart validation, advanced features.
• Essentials ($25/month): 500 preorders, 3,000 notifications, premium support, custom domain, advanced features.

Pros:

• Strong preorder and presale capabilities.
• Wide language coverage (24 languages).
• Customizable forms and emails.
• Free plan includes both preorders and notifications—good for small stores.
• Built for Shopify.

Cons:

• SMS notifications are not listed in features.
• Advanced features locked behind higher tiers.

Verdict: Essent Preorder Back in Stock is well suited to merchants who need both preorder and back in stock alert features, particularly if they operate internationally and want highly customizable signup flows.

Preorder, Back in stock Duck

Preorder, Back in stock Duck by Peppyduck Ventures LLP focuses on enabling presales, backorders, and restock waitlists. Merchants can set up "Notify Me" buttons for out-of-stock items, automate back in stock emails, and offer preorders with confirmation emails. The app supports unlimited preorders at all tiers and integrates with popular marketing tools.

• Key capabilities: Unlimited preorders, back in stock email alerts, variant-specific alerts, customizable signup forms and emails, live chat support, preorder confirmation emails, WhatsApp business integration (at higher tiers).
• Languages: English only.
• Integrations: Checkout, Shopify Admin, Automated email alerts, Cart/Checkout, Klaviyo, WhatsApp business, Email from your domain.

Pricing:

• Free: Unlimited preorders, 50 back in stock emails/month, customizable forms, automatic alerts.
• Essentials ($9/month): 500 back in stock emails, all features, Klaviyo integration, preorder discounts.
• Pro ($29/month): 3,000 back in stock emails, all integrations including WhatsApp, WhatsApp alerts with branding.
• Elite ($89/month): Unlimited back in stock alerts, dedicated CSM, all features and integrations.

Pros:

• Unlimited preorders across all plans.
• WhatsApp integration at higher tiers.
• Live chat support 24/7.

Cons:

• Supports only English language.
• SMS and push notifications are not listed.

Verdict: Preorder, Back in stock Duck is a strong option for merchants focused on unlimited preorders and want WhatsApp integration, though language support is limited to English.

Notify Me! Back in Stock Alert

Notify Me! Back in Stock Alert offers an all-in-one approach—combining waitlists, preorders, wishlists, and low stock warnings in a single app. Merchants can automate alerts via email, SMS, and push, and customize widgets to match their store theme.

• Key capabilities: Automated email, push, and SMS alerts; low stock widget; preorders; wishlists; customizable widgets and emails; partial payment for preorders; reports and insights; priority support on higher tiers.
• Languages: 13 languages including English, Spanish, French, German, and more.
• Integrations: Checkout, Customer accounts, Shopify POS, Shopify Admin, Klaviyo, Mailchimp, Omnisend, PageFly, PushOwl, Sidekick.

Pricing:

• Lite (Free): 10 restock notifications, 5 preorders, 50 wishlist actions.
• Kickstart ($9.90/month): 500 preorders, 500 alerts (email, SMS, push), 2,000 wishlist actions, complete customization.
• Starter ($19.90/month): 500 preorders, 500 alerts, advanced customization, preorder fulfillment triggers.
• Standard ($39.90/month): 1,500 alerts, 10,000 wishlist actions, 1,500 preorders, unlimited plans available inside the app.

Pros:

• Multi-channel notifications (email, SMS, push).
• All-in-one: waitlists, preorders, wishlists.
• Deep customization and reporting options.
• Broad integrations with major marketing tools.

Cons:

• SMS notifications and higher limits require paid plans.
• Some features (like unlimited plans) are only accessible within the app.

Verdict: Notify Me! Back in Stock Alert is well-suited for merchants seeking a comprehensive solution with multi-channel notifications and deep customization, especially for those who want wishlist and preorder features alongside core stock alerts.

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. Merchants can enable instant restock alerts via email, SMS, and push, and offer unlimited preorders on paid plans.

• Key capabilities: Notifications by email, SMS, push; wishlists; low stock badges; follow-up notifications; customizable buttons and forms; delivery window and policy customization; API access (Pro tier).
• Languages: English only.
• Integrations: Shopify Flow, Shopify Admin, Klaviyo, MailChimp, Zapier.

Pricing:

• Free: 10 notifications/month, unlimited registrations, wishlists, low stock badges.
• Starter ($19/month): 500 notifications, unlimited preorders, SMS, wishlists, multi-language support.
• Growth ($49/month): 2,000 notifications, Klaviyo & Mailchimp integration, custom domain support.
• Pro ($99/month): Unlimited notifications and preorders, API/webhooks access.

Pros:

• Multi-channel notifications (email, SMS, push).
• Unlimited preorders on paid plans.
• API access at top tier.

Cons:

• Supports only English language.
• Entry paid plan is higher than some competitors.

Verdict: Amp Back in Stock & Preorder + is best for stores needing both instant multi-channel notifications and the flexibility of unlimited preorders, provided their customer base is primarily English-speaking.

Notify Me, Back in Stock: CW

Notify Me, Back in Stock: CW by CWILL is built to deliver customizable back in stock alerts for out-of-stock products. Merchants can set up inline or floating "Notify Me" buttons, automate notifications by email or SMS, and display alerts in up to eight languages.

• Key capabilities: Automated email and SMS notifications, unlimited subscriber sign-ups, inline and floating display options, custom notification rules, auto multi-language translation, 24/7 live chat support, bulk notification limits at higher tiers.
• Languages: 8 languages including English, Spanish, Italian, Japanese, Dutch, Chinese (Simplified and Traditional), and German.
• Integrations: Shopify Admin, Ecomposer, gempage, Klaviyo, MailChimp.

Pricing:

• Free: 10 notifications/month, unlimited sign-ups, 24/7 support.
• Starter ($9.90/month): 50 notifications, all integrations, product-specific button display.
• Growth ($29/month): 3,000 notifications, SMS notification, auto translation.

Pros:

• Multi-language support (8 languages).
• Custom notification rules and display options.
• SMS notifications at higher tiers.

Cons:

• Lower notification limits on entry plans compared to some competitors.

Verdict: Notify Me, Back in Stock: CW is a good fit for stores needing both email and SMS alerts in multiple languages, with flexible display options and integration into page builders.

PreOrder Now Back in Stock WOD

PreOrder Now Back in Stock WOD by Website on Demand Studio, LLC is focused on helping merchants capture sales with preorders and back in stock alerts. Merchants can allow one free preorder product, manage dynamic mixed cart alerts, and enable flexible partial payments.

• Key capabilities: Preorders, back in stock alerts, preorder badges, partial payment options, quickview support, live support, dynamic mixed cart alerts, dedicated success manager at higher tiers.
• Languages: English only.
• Integrations: Shopify Admin, Google Analytics, In Cart Upsell, Pagefly, Product Customizer, Trackify X.

Pricing:

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

Pros:

• Flexible preorder features with unlimited products on paid plans.
• Partial payment and discount options for preorders.
• Dedicated support at top tiers.

Cons:

• Back in stock notification channels are not specified.
• Supports only English language.

Verdict: PreOrder Now Back in Stock WOD is best for merchants prioritizing advanced preorder features and flexible payment options, especially those on Shopify's higher plans seeking dedicated support.

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

1. Notification Channels (Email, SMS, Push)

Consider which channels you need to reach your customers most effectively. Some apps offer only email alerts, while others add SMS or push notifications for broader coverage and faster conversions. If you serve a mobile-first audience or want to maximize open rates, ensure the app supports your preferred channels.

2. Language Support and Internationalization

If your store operates in multiple regions, check the app’s language coverage. Apps like SC Back in Stock Notify Me support up to 30 languages, making them ideal for international merchants, while others may be limited to English or a few languages.

3. Integrations with Marketing Tools

Look for integrations with your email marketing and CRM platforms. Apps that connect natively to Klaviyo, Mailchimp, or Omnisend can automatically sync contact lists and trigger targeted campaigns, streamlining your post-restock marketing efforts.

4. Preorder and Waitlist Features

Some stock alert apps double as preorder managers, letting you capture sales even before inventory is replenished. If you frequently run presales or preorders, choose an app with robust waitlist and partial payment capabilities.

Final Recommendation

For most Shopify merchants, SC Back in Stock Notify Me offers the most comprehensive, scalable solution. Its broad language support, deep feature set, and flexible pricing make it suitable for stores of any size or geography. If you need advanced preorder management or unique integrations, consider the alternatives spotlighted above. However, for broad coverage and long-term reliability, SC Back in Stock Notify Me stands out as the best all-around choice for back in stock and restock alerts on Shopify.

Install SC Back in Stock Notify Me from the Shopify App Store