Appfox ‑ Back In Stock Alerts

Appfox, officially listed on the Shopify App Store as Appfox ‑ Back In Stock Alerts, is a Shopify app in the Stock alerts category. Stop losing customers when products sell out. Appfox captures demand with automated "Notify Me" buttons and pre-order capabilities. Accept partial payments for out-of-stock items, send smart email/SMS alerts when inventory returns, and track which products customers want most. Works with all Shopify themes and integrates with Klaviyo, Mailchimp, and other marketing tools. Built for serious merchants who want to maximize revenue from every product, whether in stock or not.

Appfox offers a free plan and 2 paid plans starting at $9/month and going up to $29.99/month. The free plan includes Perfect for getting started, Up to 50 products tracked, Email notifications only, and Basic templates. The paid plans unlock advanced features beyond what's available on the free tier.

Yes — Appfox offers a free plan alongside paid options. The free plan includes Perfect for getting started, Up to 50 products tracked, and Email notifications only. Paid plans start at $9/month for advanced features.

Appfox launched on August 13, 2025.

Appfox does not currently carry Shopify's Built for Shopify badge. The badge is awarded to apps that meet Shopify's published standards for performance, ease of use, and merchant value — many high-quality apps operate without it.

Merchants commonly compare Appfox with Back In Stock,Notify Me, Preorder, Back In Stock, Notify! Back in Stock|PreOrder, and Preorder Now Presale Timesact. Each alternative covers a similar use case but differs on pricing model, integration depth, and the specific themes merchants praise in reviews — see the alternatives section above for a side-by-side.