IvixLabs Stock Notifier vs Preorder, Back In Stock ‑ STOQfor Shopify (2026)
IvixLabs Stock Notifier focuses on preventing stockouts through proactive alerts, while Preorder, Back In Stock ‑ STOQ aims to capitalize on out-of-stock situations by enabling pre-orders and back-in-stock notifications. IvixLabs Stock Notifier positions itself as a simple solution for merchants to maintain business continuity by avoiding low stock situations, offering features such as instant alerts via email and Telegram and customizable notification rules. This targets merchants who value precise inventory management and want to avoid lost sales. On the other hand, Preorder, Back In Stock ‑ STOQ offers tools for capturing revenue even when products are unavailable, allowing merchants to sell pre-orders and backorders, capture partial payments, and build waitlists. Its strength lies in features like customizable preorder buttons, automatic back-in-stock alerts via email/SMS, and advanced functionalities like Klaviyo integration and multi-location support. This app targets larger or more sophisticated merchants looking to maximize sales, retain customers even during stockouts, and leverage marketing automation. The vast difference in the number of reviews (5 vs. 2132) strongly suggests a significant difference in user base size and likely app maturity. Even though both apps have perfect scores, the difference in review count is stark.
At a Glance
IvixLabs Stock Notifier
5 reviews
Preorder, Back In Stock ‑ STOQ
2,132 reviews
Detailed Overview
IvixLabs Stock Notifier
Stay Ahead with Stock Notifier – Instant Alerts for Low Stock Products
Key Features
- Custom Notification Rules: Define precise stock alert conditions.
- Instant Alerts: Get real-time email and Telegram notifications.
- Multi-Account Support: Manage alerts across multiple emails and Telegram account
- Organized Reports: View low stock data anytime in a user-friendly interface.
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 | 5/5 | 5/5 |
Rating IvixLabs Stock Notifier5/5 Preorder, Back In Stock ‑ STOQ5/5 | ||
| Reviews | 5 | 2132 |
Reviews IvixLabs Stock Notifier5 Preorder, Back In Stock ‑ STOQ2132 | ||
| Primary Function | Low Stock Alerts | Preorders & Back-in-Stock Notifications |
Primary Function IvixLabs Stock NotifierLow Stock Alerts Preorder, Back In Stock ‑ STOQPreorders & Back-in-Stock Notifications | ||
| Communication Channels | Email & Telegram | Email & SMS |
Communication Channels IvixLabs Stock NotifierEmail & Telegram Preorder, Back In Stock ‑ STOQEmail & SMS | ||
| Payment Handling | Not Mentioned | Partial Payments & Deposits |
Payment Handling IvixLabs Stock NotifierNot Mentioned Preorder, Back In Stock ‑ STOQPartial Payments & Deposits | ||
| Third-Party Integrations | Not Mentioned | Klaviyo |
Third-Party Integrations IvixLabs Stock NotifierNot Mentioned Preorder, Back In Stock ‑ STOQKlaviyo | ||
| Target Merchant | Smaller merchants needing basic stock alerts | Larger merchants wanting to monetize out-of-stock items |
Target Merchant IvixLabs Stock NotifierSmaller merchants needing basic stock alerts Preorder, Back In Stock ‑ STOQLarger merchants wanting to monetize out-of-stock items | ||
| Ease of Use | Potentially Simpler | Potentially More Complex due to broader feature set |
Ease of Use IvixLabs Stock NotifierPotentially Simpler Preorder, Back In Stock ‑ STOQPotentially More Complex due to broader feature set | ||
| Value Proposition | Prevent lost sales by avoiding stockouts | Capture revenue from out-of-stock products and build customer loyalty |
Value Proposition IvixLabs Stock NotifierPrevent lost sales by avoiding stockouts Preorder, Back In Stock ‑ STOQCapture revenue from out-of-stock products and build customer loyalty | ||
Our Verdict
For small businesses or those primarily concerned with proactively managing inventory and avoiding stockouts, IvixLabs Stock Notifier offers a simple and straightforward solution. Its email and Telegram alerts are useful for direct and immediate notification. However, the extremely low number of reviews raises concerns about its reliability and long-term support.
Preorder, Back In Stock ‑ STOQ is better suited for businesses looking to actively monetize out-of-stock situations, build customer waitlists, and integrate with marketing platforms like Klaviyo. The higher number of reviews and broader feature set indicate a more established and robust solution. It is the recommended choice for merchants seeking a comprehensive approach to inventory management and sales optimization, particularly those willing to invest in a potentially more complex platform.
Common Questions
Which app is easier to set up and use?
Based on their descriptions, IvixLabs Stock Notifier is likely easier to set up and use, given its simpler feature set focused solely on stock alerts. Preorder, Back In Stock ‑ STOQ, with its wider range of features like pre-orders, partial payments, and Klaviyo integration, may require a steeper learning curve.
Which app is better for preventing lost sales due to stockouts?
Both apps address this issue, but in different ways. IvixLabs Stock Notifier aims to prevent stockouts altogether through proactive alerts. Preorder, Back In Stock ‑ STOQ allows you to still make sales even if stockouts occur via pre-orders, thus mitigating the impact of lost sales. If the merchant wishes to eliminate stockouts, IvixLabs may be better. If the merchant is ok with stockouts but wants to monetize them, Preorder, Back In Stock is better.
Which app offers more integrations with other marketing tools?
Preorder, Back In Stock ‑ STOQ explicitly mentions integration with Klaviyo, a popular email marketing platform. IvixLabs Stock Notifier does not mention any integrations with other marketing tools.
Which app is more suitable for a dropshipping business?
Neither app specifically mentions suitability for dropshipping. However, the back-in-stock notification features of Preorder, Back In Stock ‑ STOQ might be more useful for dropshipping, as inventory control is often less direct than with traditional inventory models. With the lack of inventory visibility, Preorder would allow users to still capture sales.
Are there any hidden costs or fees associated with either app?
The provided data does not include pricing information for either app. It is crucial to check the Shopify App Store listings for both IvixLabs Stock Notifier and Preorder, Back In Stock ‑ STOQ to understand their pricing models, including any free plans, subscription fees, or charges for specific features or usage levels.
Get More From Your Shopify Store
Run audits for SEO, CRO, PageSpeed, and AI visibility. Get a clear report and actionable fixes.
Try Fix My Store