Preorder, Back In Stock ‑ STOQ vs REZ Back In Stock Notify Mefor Shopify (2026)
Preorder, Back In Stock ‑ STOQ and REZ Back In Stock Notify Me are both Shopify apps that enable merchants to manage pre-orders, backorders, and back-in-stock notifications. Both apps boast a perfect 5/5 rating, however, Preorder, Back In Stock ‑ STOQ has significantly more reviews (2132) compared to REZ Back In Stock Notify Me (44), suggesting wider adoption and potentially more extensive real-world testing. While both apps offer similar core functionalities such as preorder and notify-me widgets, customization options, and automated alerts, STOQ appears to cater to a broader range of business needs with features like B2B preorders, multi-location support, and integrations beyond email/SMS, whereas REZ is streamlined for the essential back-in-stock functionality. The primary distinction between the two apps lies in the breadth of features and integrations. Preorder, Back In Stock ‑ STOQ positions itself as a comprehensive solution for pre-order and back-in-stock management, offering advanced capabilities like Klaviyo synchronization, support for multiple markets, and reminder alerts. REZ Back In Stock Notify Me focuses on core pre-order and back-in-stock notifications with emphasis on analytics to track demand and forecast inventory. Both apps aim to recover lost sales from out-of-stock items by allowing customers to pre-order or sign up for notifications, but STOQ provides more robust features beneficial for larger, more complex businesses.
At a Glance
Preorder, Back In Stock ‑ STOQ
2,132 reviews
REZ Back In Stock Notify Me
44 reviews
Detailed Overview
Preorder, Back In Stock ‑ STOQ
Sell preorder & backorders with partial payments. Send Back in stock alerts on restock to waitlists!
Key Features
- Add Preorder or Notify me widget to your out of stock products in minutes
- Customize preorder button, restock alerts to match your brand, with 24*7 help
- Send back in stock email/SMS alerts to waitlist when you restock automatically
- Set up preorder, presales, back orders, deposit or partial payment orders
- B2B preorders, sync mailing list w/ Klaviyo, connect markets, locations & more
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 | 5/5 | 5/5 |
Rating Preorder, Back In Stock ‑ STOQ5/5 REZ Back In Stock Notify Me5/5 | ||
| Reviews | 2132 | 44 |
Reviews Preorder, Back In Stock ‑ STOQ2132 REZ Back In Stock Notify Me44 | ||
| Key Integrations | Klaviyo, Multiple Markets & Locations | None explicitly stated |
Key Integrations Preorder, Back In Stock ‑ STOQKlaviyo, Multiple Markets & Locations REZ Back In Stock Notify MeNone explicitly stated | ||
| Target Merchant | Businesses with multiple locations/markets, B2B needs, advanced marketing automation | Businesses primarily focused on simple back-in-stock alerts and pre-orders |
Target Merchant Preorder, Back In Stock ‑ STOQBusinesses with multiple locations/markets, B2B needs, advanced marketing automation REZ Back In Stock Notify MeBusinesses primarily focused on simple back-in-stock alerts and pre-orders | ||
| Support | 24/7 Support | Easy online support |
Support Preorder, Back In Stock ‑ STOQ24/7 Support REZ Back In Stock Notify MeEasy online support | ||
| B2B Preorders | Supported | Not Explicitly Stated |
B2B Preorders Preorder, Back In Stock ‑ STOQSupported REZ Back In Stock Notify MeNot Explicitly Stated | ||
| Partial Payments | Supported | Supported |
Partial Payments Preorder, Back In Stock ‑ STOQSupported REZ Back In Stock Notify MeSupported | ||
| Alert Channels | Email & SMS | |
Alert Channels Preorder, Back In Stock ‑ STOQEmail & SMS REZ Back In Stock Notify MeEmail | ||
Our Verdict
For Shopify merchants seeking a comprehensive and scalable pre-order and back-in-stock solution with advanced features like multi-location support, Klaviyo integration, and B2B preorder capabilities, Preorder, Back In Stock ‑ STOQ is the superior choice. Its higher review count suggests greater reliability and wider adoption. However, for smaller businesses or those primarily concerned with simple back-in-stock notifications and basic pre-order functionality, REZ Back In Stock Notify Me offers a streamlined and potentially more cost-effective solution.
Ultimately, the best app depends on the specific needs and complexity of the merchant's business. If advanced features and integrations are crucial, STOQ is recommended. If a simpler, more focused solution is desired, REZ Back In Stock Notify Me may be sufficient. Consider testing both apps with a free trial (if available) to determine which best fits your workflow and requirements.
Common Questions
Which app offers more advanced features?
Preorder, Back In Stock ‑ STOQ offers more advanced features like multi-location support, B2B preorders, and Klaviyo integration.
Which app is better suited for smaller businesses?
REZ Back In Stock Notify Me is likely a better fit for smaller businesses with simpler back-in-stock notification and pre-order needs.
Do both apps support partial payments for pre-orders?
Yes, both Preorder, Back In Stock ‑ STOQ and REZ Back In Stock Notify Me support partial payments for pre-orders.
Which app has more user reviews and potentially more user feedback?
Preorder, Back In Stock ‑ STOQ has significantly more user reviews (2132) compared to REZ Back In Stock Notify Me (44), indicating potentially more user feedback and real-world testing.
Which app offers SMS back in stock alerts?
Preorder, Back In Stock ‑ STOQ offers SMS back in stock alerts while REZ Back In Stock Notify Me is implied to use primarily email for alerts.
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