Back In Stock! Alert Engine vs Back In Stock,Notify Me: Kbite
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 11, 2026.
The short answer
- Back In Stock,Notify Me is detected on 116× as many Shopify stores as Back In Stock! Alert Engine: 11,824 vs 102 as of Nov 11, 2026.
- On the Shopify App Store: Back In Stock! Alert Engine 4.7 from 27 reviews and Back In Stock,Notify Me 5.0 from 4,422 reviews.
- Both list a free plan. Paid plans start at $4/month for Back In Stock! Alert Engine and $5/month for Back In Stock,Notify Me.
- Back In Stock! Alert Engine lists 23 features Back In Stock,Notify Me’s listing doesn’t mention, including Abandoned cart, Analytics, Automations.
Head to head
Re-Stock, Back in Stock, Abandoned Cart Push,Email & SMS Alert
- United Kingdom
- United States
- Canada
- United States
- United Kingdom
- Australia
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free Plan
- · 50 Email Alerts
- · Custom Alert Templates
- · Custom Notify Me Button
- · Email open, delivery & read logs
- · Import/Export Subscribers
- · Restock Alert Only
Basic Plan
- · Custom Notify Me Button
- · Email open, delivery & read logs
- · Import/Export Subscribers
- · Insights
- · Restock Alert Only
- · Swap/Replace Subscriber Product
Advanced Plan
- · Custom Notify Me Button
- · Email open, delivery & read logs
- · Import/Export Subscribers
- · Insights
- · Low Stock & Restock alert
- · Swap/Replace Subscriber Product
Premium Plan
- · Custom button Product & Collection page
- · Email from your domain
- · Everything in Basic plan
- · Integrations with Klaviyo, Omnisend
- · Multi-language
- · Multi-locations (inventory)
Free
- · 30 Emails/mo
- · Back In Stock Notifications
- · Button + Form Customizations
- · Min. Inventory Limit
- · Price Drop Notifications
- · Unlimited Registrations
Basic
- · 500 Email Notifications/mo
- · Everything in Free plan plus
- · Min. Inventory Limit
- · Multi-language
- · Multi-location
- · No Branding
Starter
- · 2500 Email Notifications/mo
- · Batch delivery
- · Everything in the Basic plan plus
- · Min. Inventory Limit
- · Multi-language
- · No Branding
Pro
- · 5000 Email Notifications/mo
- · Custom Integrations
- · Everything in Starter plan plus
- · Min. Inventory Limit
- · Multi-language
- · No Branding
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureBack in Stock! Alert Engine is an all-in-one marketing tool to help you recover lost sales. Don't miss out on lost sales with Back In Stock & Restock Alerts, Abandoned carts, price drop, and low stock notifications through Emails. Shows the Notify Me!! button on out of stock products and automatically sends notifications when they get in stock.
Krtbite is an all-in-one marketing tool to help you recover lost sales. Don't miss out on lost sales with Back In Stock Alerts, Abandoned carts, and price drop notifications through Emails, and SMS Alerts. Shows the Notify Me!! button on out of stock products and automatically sends notifications when they get in stock. Creates the out-of-stock & price drop waitlists to see products in demand.
- Restock Alerts: Send automatic and manual back in stock notifications via Email.
- Setup Notify Me Buttons in Minutes; Customize Buttons to Match Brand Guidelines.
- Grow Email Lists & Sync to Email Providers Like Klaviyo.
- Restock alert, Low stock alert, price drop alert, multilingual tools, and more!
- Restock Alerts: Send Automatic back in stock email and SMS alerts
- Price Drop Alerts: Send price drop alerts to customers when product is on-sale
- Out of Stock Waitlist: Product analytic to know most in-demand products.
- Grow Mailing List: Sync to Customer list automatically for email marketing.
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  Back In Stock! Alert Engine |  Back In Stock,Notify Me |
|---|---|---|
| Detected stores | 102 | 11,824(ahead) |
| Net store change, 28 days | +4 | +104 |
| Stores added, 28 days | 4 | 232(ahead) |
| Big-brand share | Not enough data | 14% |
| Top store categories | Apparel & Accessories, Food, Beverages & Tobacco, Toys & Games | Apparel & Accessories, Home & Garden, Health & Beauty |
| Top store countries | United Kingdom, United States, Canada | United States, United Kingdom, Australia |
Reviews
| Measure | Back In Stock! Alert Engine | Back In Stock,Notify Me |
|---|---|---|
| App Store rating | 4.7 ★ | 5.0 ★(ahead) |
| App Store reviews | 27 | 4,422(ahead) |
| New reviews, 28 days | Not enough data | 152 |
| Reviewers a year or more in | Not enough data | 6% |
Pricing
| Measure | Back In Stock! Alert Engine | Back In Stock,Notify Me |
|---|---|---|
| Free plan | Yes | Yes |
| Lowest paid monthly plan | $4/month(ahead) | $5/month |
| Longest free trial | 7 days | 14 days |
| Plans listed | 4 | 4 |
Listing
| Measure | Back In Stock! Alert Engine | Back In Stock,Notify Me |
|---|---|---|
| Shopify category rank | #23 | #2(ahead) |
| Shopify App Charts | #15 in Stock alerts | #64 on the Shoplist 100 |
| Built for Shopify | Yes | Yes |
| Launched | Dec 23, 2024 | May 20, 2021 |
| Languages | 1 | 1 |
| Developer | Script Engine | DEVSQUAT SOLUTIONS |
FAQ
Back In Stock! Alert Engine and Back In Stock,Notify Me: common questions
- Which is more popular, Back In Stock! Alert Engine or Back In Stock,Notify Me?
- Back In Stock,Notify Me is detected on 116× as many Shopify stores as Back In Stock! Alert Engine: 11,824 vs 102 as of Nov 11, 2026.
- Is Back In Stock! Alert Engine or Back In Stock,Notify Me cheaper?
- Both list a free plan. Paid plans start at $4/month for Back In Stock! Alert Engine and $5/month for Back In Stock,Notify Me. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- Which has better reviews, Back In Stock! Alert Engine or Back In Stock,Notify Me?
- On the Shopify App Store: Back In Stock! Alert Engine 4.7 from 27 reviews and Back In Stock,Notify Me 5.0 from 4,422 reviews.
- What features does each app list that the other doesn’t?
- Back In Stock! Alert Engine lists 23 the others don’t mention, such as Abandoned cart, Analytics, Automations, Back-in-stock emails. Back In Stock,Notify Me lists 1 the others don’t mention, such as SMS. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Nov 11, 2026; estimated figures are labeled.
Keep comparing
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- Alert Me! Restock Alerts vs Back In Stock,Notify Me
- Preorder, Back in stock Duck vs Back In Stock,Notify Me
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Nov 11, 2026. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.