Everything about installation, billing, features and technical support
Install ZS PreSell & Back In Stock from the Shopify App Store and approve the permissions. The app opens inside your Shopify admin — no separate account.
Switch on the ZS Pre-Order & Badges app embed (Online Store → Themes → Customize → App embeds), then in the app click Add campaign, choose Pre-order, pick products and save.
It shows the product with a locked Coming Soon button and an optional countdown. When the release date passes, the product goes on sale by itself.
Shoppers leave their email on a sold-out product. When it's back, open the Notify list in the app and send them the back-in-stock email, or export the list as CSV.
Yes. The storefront widget follows your store's language in 10 languages, and the app admin follows your Shopify admin language in 9.
Free for up to 3 campaigns and 5 products. Starter ($4.99/month) and Pro ($9.99/month) each start with a 7-day free trial and are billed by Shopify on your regular invoice. Change or cancel anytime from Plans in the app.
Check the app embed is on and saved, the campaign is Active, and its timing applies — with "Only when out of stock" an in-stock variant keeps the normal Add to cart.
The app switches "Continue selling when out of stock" back off on its pre-order products, and your store's data is erased 48 hours later.