Best Alternatives to REZ Back In Stock Notify Mefor Shopify (2026)

This app differs from REZ by focusing on creating a sense of urgency and scarcity through inventory counters and low stock alerts. While not a direct replacement for back-in-stock notifications, it can complement such a system by encouraging immediate purchases.

No information provided besides the rating, so we cannot comment specifically, but it appears to also solve the problem of providing low stock alerts.

Similar to Hey!Scarcity, Scarcity++ focuses on urgency and scarcity with live inventory counters. It highlights customizable design and holiday season presets, which could be valuable for specific marketing campaigns.

With significantly more reviews than REZ, Kbite offers a highly-rated and potentially more established solution for back-in-stock notifications. While detailed feature comparisons are unavailable, the sheer volume of positive reviews suggests a reliable and widely appreciated service.

This app is not a direct alternative to REZ. Instead, it focuses on showcasing sales volume, charitable donations, or environmental impact. This is for demonstrating positive results.

STOQ directly competes with REZ by offering similar pre-order and back-in-stock features including partial payments and customizable alerts. It also boasts 24/7 support and integrations with Klaviyo and multiple marketplaces, which could be a deciding factor for merchants needing these specific integrations.

Timesact provides a comprehensive solution with pre-orders, back-in-stock notifications, and features like partial payments, automatic discounts, and guided onboarding with video support. Its focus on presales and waitlist building might appeal to stores launching new products.

Back in stock Duck is positioned as an easy-to-setup app with 24/7 live-chat support. Its variant-level functionality for backorders and pre-sales could be appealing for merchants with complex product catalogs.

Restock Alert & Waitlist -Mini directly competes with REZ, offering back-in-stock alerts, waitlists, and pre-sale notifications. It focuses on building product waitlists and sending restock notifications via email, and supporting Shopify Flow.

This app focuses on automatically hiding out-of-stock products and redirecting customers, streamlining inventory management. It could be a useful addition to any back-in-stock system, although is not a full REZ alternative.