AMP Back in Stock | PreOrder vs REZ Back In Stock Notify Mefor Shopify (2026)
Both AMP Back in Stock | PreOrder and REZ Back In Stock Notify Me aim to help Shopify merchants capture sales lost due to out-of-stock items by offering back-in-stock alerts and pre-order capabilities. AMP Back in Stock appears geared toward merchants with larger catalogs and a need for scalable solutions, emphasizing its ability to handle high SKU volumes and fast-moving inventory. It highlights multi-channel restock alerts (email, SMS, and push) and brand customization for back-in-stock buttons. REZ Back In Stock Notify Me, on the other hand, focuses heavily on pre-orders and backorders with full or partial payments, offering a feature-rich pre-order management system. Its target audience appears to be merchants looking to generate revenue early through pre-sales and manage more complex pre-order fulfillment processes. One core difference is the payment flexibility offered by REZ, allowing for deposit or partial payment for pre-orders, a feature absent in AMP's description.
At a Glance
AMP Back in Stock | PreOrder
739 reviews
REZ Back In Stock Notify Me
44 reviews
Detailed Overview
AMP Back in Stock | PreOrder
Capture Sales with Back in Stock Alerts and Preorder Options that Notify Customers on Restock alerts
Key Features
- Back in stock alerts: Notify shoppers via email, SMS & push on restock products
- Preorder: Sell new products before inventory arrives
- Branded restock alert buttons: Customize and add Back in Stock alerts in minutes
- Smart Restock & Preorder Insights: Track demand to plan restock with confidence
- 24/7 Support and Dedicated Assistance. Notify me button works with most themes
REZ Back In Stock Notify Me
Sell preorder & backorders with full/part payments. Notify me when out of stock, back in stock alert
Key Features
- Add Preorder or Notify me widget to your products
- Set up pre-order manager, presale, back orders, deposit or partial payment order
- Customize preorder button, restock notification to match your brand
- Automatically send back in stock alerts to waitlist when you restock product
- Use analytics to track demand, forecast inventory, and measure revenue
Feature Comparison
| Rating | 4.8/5 | 5/5 |
Rating AMP Back in Stock | PreOrder4.8/5 REZ Back In Stock Notify Me5/5 | ||
| Reviews | 739 | 44 |
Reviews AMP Back in Stock | PreOrder739 REZ Back In Stock Notify Me44 | ||
| Alert Channels | Email, SMS, Push | |
Alert Channels AMP Back in Stock | PreOrderEmail, SMS, Push REZ Back In Stock Notify MeEmail | ||
| Pre-Order Payments | Full Payment Only (Implied) | Full/Partial Payments |
Pre-Order Payments AMP Back in Stock | PreOrderFull Payment Only (Implied) REZ Back In Stock Notify MeFull/Partial Payments | ||
| Catalog Size Focus | High SKU Volumes | Not Specified |
Catalog Size Focus AMP Back in Stock | PreOrderHigh SKU Volumes REZ Back In Stock Notify MeNot Specified | ||
| Brand Customization | Customizable Restock Buttons | Customizable Buttons & Restock Notifications |
Brand Customization AMP Back in Stock | PreOrderCustomizable Restock Buttons REZ Back In Stock Notify MeCustomizable Buttons & Restock Notifications | ||
| Data Analytics | Smart Restock & Preorder Insights | Analytics to track demand, forecast inventory, and measure revenue |
Data Analytics AMP Back in Stock | PreOrderSmart Restock & Preorder Insights REZ Back In Stock Notify MeAnalytics to track demand, forecast inventory, and measure revenue | ||
| Support | 24/7 Support and Dedicated Assistance | Easy online support |
Support AMP Back in Stock | PreOrder24/7 Support and Dedicated Assistance REZ Back In Stock Notify MeEasy online support | ||
| Core Focus | Back in Stock Alerts & Simple Preorders | Preorders with Payment Flexibility & Back in Stock Alerts |
Core Focus AMP Back in Stock | PreOrderBack in Stock Alerts & Simple Preorders REZ Back In Stock Notify MePreorders with Payment Flexibility & Back in Stock Alerts | ||
Our Verdict
If you're a merchant with a large catalog and need a robust back-in-stock alert system across multiple channels (email, SMS, push), AMP Back in Stock | PreOrder is likely the better choice. Its focus on scalability and broad reach makes it suitable for businesses with high SKU volumes and fast-moving inventory. However, if you are a merchant who wants to create pre-orders with a flexible payment options or you would like to receive deposits on your pre-orders, REZ Back In Stock Notify Me will be the better option. The flexibility to customize your pre-order is great as well.
Common Questions
Which app offers more comprehensive back-in-stock alert options?
AMP Back in Stock | PreOrder supports email, SMS, and push notifications, while REZ Back In Stock Notify Me primarily focuses on email alerts.
Does either app support partial payments for pre-orders?
REZ Back In Stock Notify Me explicitly supports pre-orders with full or partial payments. AMP Back in Stock | PreOrder does not mention supporting partial payments.
Which app is better suited for a large product catalog?
AMP Back in Stock | PreOrder is designed to handle high SKU volumes and fast-moving catalogs, making it a better fit for larger inventories.
Which app has more customer reviews, suggesting broader adoption?
AMP Back in Stock | PreOrder has significantly more reviews (739) compared to REZ Back In Stock Notify Me (44), indicating a larger user base.
How can I customize the look of the back in stock and pre-order buttons?
Both apps allow customization of the back-in-stock and pre-order buttons to match your brand, but REZ indicates that you can also customize the restock notifications.
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