Essential ‑ Back In Stock Pro vs Preorder, Back In Stock ‑ STOQfor Shopify (2026)
Essential ‑ Back In Stock Pro and Preorder, Back In Stock ‑ STOQ both address the critical issue of lost sales due to out-of-stock items by providing back-in-stock notifications. However, they target different segments of Shopify merchants. Essential ‑ Back In Stock Pro focuses on simplicity and ease of use, offering a straightforward back-in-stock notification system with basic customization options. Its strength lies in its user-friendly interface and easy setup, targeting merchants who need a quick and simple solution without complex features. Preorder, Back In Stock ‑ STOQ, on the other hand, is a more comprehensive solution designed for merchants seeking advanced features like pre-orders, backorders, partial payments, and robust customization options. Its strength lies in its broad feature set, including SMS notifications, Klaviyo integration, multi-location support, and B2B capabilities, which cater to larger or more complex businesses. The significantly higher number of reviews (2132 vs 19) suggests a much larger user base and potentially wider adoption, lending more credibility. STOQ also offers more direct revenue generation through pre-orders and backorders.
At a Glance
Essential ‑ Back In Stock Pro
19 reviews
Preorder, Back In Stock ‑ STOQ
2,132 reviews
Detailed Overview
Essential ‑ Back In Stock Pro
Notify customers when products are back in stock and manage an out-of-stock waitlist.
Key Features
- Effortless management of waitlists for out-of-stock items.
- Easily export customer emails and provide reports of performance.
- Customize pop-up forms to match your brand color
- Support for integrating with home, product, and collection pages.
- Compatible with most themes, with 24/7 support available for assistance.
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
Feature Comparison
| Rating | 4.9/5 | 5/5 |
Rating Essential ‑ Back In Stock Pro4.9/5 Preorder, Back In Stock ‑ STOQ5/5 | ||
| Reviews | 19 | 2132 |
Reviews Essential ‑ Back In Stock Pro19 Preorder, Back In Stock ‑ STOQ2132 | ||
| Core Functionality | Back-in-stock notifications | Pre-orders, Back-in-stock, Partial Payments |
Core Functionality Essential ‑ Back In Stock ProBack-in-stock notifications Preorder, Back In Stock ‑ STOQPre-orders, Back-in-stock, Partial Payments | ||
| SMS Notifications | Not mentioned | Yes |
SMS Notifications Essential ‑ Back In Stock ProNot mentioned Preorder, Back In Stock ‑ STOQYes | ||
| Klaviyo Integration | Not mentioned | Yes |
Klaviyo Integration Essential ‑ Back In Stock ProNot mentioned Preorder, Back In Stock ‑ STOQYes | ||
| B2B Features | No | Yes (Preorders) |
B2B Features Essential ‑ Back In Stock ProNo Preorder, Back In Stock ‑ STOQYes (Preorders) | ||
| Customization | Basic (brand colors) | Advanced (button, alerts) |
Customization Essential ‑ Back In Stock ProBasic (brand colors) Preorder, Back In Stock ‑ STOQAdvanced (button, alerts) | ||
| Target Merchant | Small businesses seeking simplicity | Businesses needing advanced features and revenue generation |
Target Merchant Essential ‑ Back In Stock ProSmall businesses seeking simplicity Preorder, Back In Stock ‑ STOQBusinesses needing advanced features and revenue generation | ||
| Pricing | Not available without visiting Shopify App Store | Not available without visiting Shopify App Store |
Pricing Essential ‑ Back In Stock ProNot available without visiting Shopify App Store Preorder, Back In Stock ‑ STOQNot available without visiting Shopify App Store | ||
| Support | 24/7 support | 24/7 help |
Support Essential ‑ Back In Stock Pro24/7 support Preorder, Back In Stock ‑ STOQ24/7 help | ||
Our Verdict
For Shopify merchants prioritizing a simple and easy-to-use back-in-stock notification system with basic customization, Essential ‑ Back In Stock Pro is the better choice. Its straightforward interface and focus on core functionality make it a quick and efficient solution for recovering lost sales. The 24/7 support is also reassuring.
However, for merchants requiring advanced features like pre-orders, backorders, SMS notifications, Klaviyo integration, and B2B capabilities, Preorder, Back In Stock ‑ STOQ is the clear winner. Its comprehensive feature set and robust customization options cater to larger or more complex businesses looking to maximize revenue generation and customer engagement. While it may have a steeper learning curve, the increased functionality justifies the investment for businesses with more complex needs. The sheer number of reviews for STOQ also suggests it is a well-established and trusted solution.
Common Questions
Which app is easier to set up?
Essential ‑ Back In Stock Pro is likely easier to set up due to its simpler feature set and focus on core back-in-stock notifications.
Which app offers more advanced customization?
Preorder, Back In Stock ‑ STOQ offers more advanced customization options for the preorder button and restock alerts.
Which app supports SMS notifications?
Preorder, Back In Stock ‑ STOQ supports SMS notifications, while Essential ‑ Back In Stock Pro does not explicitly mention SMS support.
Which app integrates with Klaviyo?
Preorder, Back In Stock ‑ STOQ integrates with Klaviyo for email marketing automation.
Which app is better for capturing pre-orders?
Preorder, Back In Stock ‑ STOQ is the only app that explicitly supports pre-orders and backorders.
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