Back in Stock Ultimate v2
A great tool for catching up on the sales that you may have missed while the product was out of stock!

New features for cs-cart v.2.2.x series:
Back in stock statistics
Ability to send the notifications manually
Notifications will be sent in customer's language selected on subscription
Product thumbnail in notification emails

Why is better than the built one:
Will send a notification email to admin and customer after each subscription
Will work if the product has variants!
Back in stock subscription statistics, you can follow easy the number of subscribers to each out of stock product
Ability to send the notifications manually, useful if you are updating the inventory thru a third party addon and not from the product page
Subscription button on the category listing page
Notifications will be sent in customer's language selected on subscription
Product thumbnail in notification emails
Clear layout