ES Back in Stock Notify Me! vs Whatssy Whatsapp Order SMS OTPfor Shopify (2026)
ES Back in Stock Notify Me! and Whatssy Whatsapp Order SMS OTP both fall under the 'Notifications' category on Shopify, but address distinctly different needs. ES Back in Stock focuses on recovering lost sales by notifying customers when out-of-stock items become available, leveraging AI to optimize notification timing and volume. It offers on-site components like popups and forms, and provides customizable templates. Whatssy, on the other hand, is geared towards order-related communication via WhatsApp and SMS, implied by its name, but lacking the specific features visible in the description of ES Back in Stock Notify Me!. The stark contrast in review count suggests a more established user base for ES Back in Stock.
At a Glance
ES Back in Stock Notify Me!
474 reviews
Whatssy Whatsapp Order SMS OTP
25 reviews
Detailed Overview
ES Back in Stock Notify Me!
Recover sales with AI inventory alerts(email & SMS), popups, forms, and product page sections.
Key Features
- AI-powered automatic email/SMS notifications reach customers at the right time
- Show button and popup on out-of-stock product & collection pages
- Edit email template freely in block section
- Multiple languages templates
- Inventory alert per warehouse / location
Feature Comparison
| Rating | 4.9/5 | 4.8/5 |
Rating ES Back in Stock Notify Me!4.9/5 Whatssy Whatsapp Order SMS OTP4.8/5 | ||
| Reviews | 474 | 25 |
Reviews ES Back in Stock Notify Me!474 Whatssy Whatsapp Order SMS OTP25 | ||
| Primary Function | Back-in-Stock Notifications | Order Notifications via WhatsApp/SMS (inferred) |
Primary Function ES Back in Stock Notify Me!Back-in-Stock Notifications Whatssy Whatsapp Order SMS OTPOrder Notifications via WhatsApp/SMS (inferred) | ||
| Communication Channels | Email & SMS | WhatsApp & SMS (inferred) |
Communication Channels ES Back in Stock Notify Me!Email & SMS Whatssy Whatsapp Order SMS OTPWhatsApp & SMS (inferred) | ||
| AI-Powered Features | Yes (AI-optimized notifications) | Unknown |
AI-Powered Features ES Back in Stock Notify Me!Yes (AI-optimized notifications) Whatssy Whatsapp Order SMS OTPUnknown | ||
| On-Site Components | Popups, forms, badges, product page sections | Unknown |
On-Site Components ES Back in Stock Notify Me!Popups, forms, badges, product page sections Whatssy Whatsapp Order SMS OTPUnknown | ||
| Customer Support | 24/7 Live Chat | Unknown |
Customer Support ES Back in Stock Notify Me!24/7 Live Chat Whatssy Whatsapp Order SMS OTPUnknown | ||
| Restock Alerts | Per warehouse/location | Unknown |
Restock Alerts ES Back in Stock Notify Me!Per warehouse/location Whatssy Whatsapp Order SMS OTPUnknown | ||
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Conversion Audit
Our Verdict
ES Back in Stock Notify Me! is the clear choice for merchants primarily concerned with recovering revenue lost due to out-of-stock items. Its AI-powered optimization and on-site components offer a comprehensive solution for managing back-in-stock notifications. While Whatssy might be suitable for order-related communications via WhatsApp, the lack of detailed information and the significantly lower review count make it difficult to assess its capabilities accurately based on the provided data. Businesses prioritizing robust back-in-stock functionality should strongly consider ES Back in Stock.
Common Questions
Which app is better for recovering lost sales due to out-of-stock items?
ES Back in Stock Notify Me! is specifically designed for recovering lost sales by notifying customers when items are back in stock.
Does either app offer AI-powered features?
ES Back in Stock Notify Me! uses AI to optimize the timing and volume of notifications.
Which app has more customer reviews and higher rating?
ES Back in Stock Notify Me! has significantly more reviews (474) and a slightly higher rating (4.9/5) compared to Whatssy's 25 reviews and 4.8/5 rating.
Which app offers direct integration into the product page?
ES Back in Stock Notify Me! offers native product page sections for Online Store 2.0.
What communication channels does each app use?
ES Back in Stock Notify Me! uses Email & SMS. Whatssy is implied by its name to use WhatsApp & SMS.
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