Our integration with Back in Stock - Restock Alerts (Appikon) now allows you to use push notifications as a channel for subscribing to out of stock products, apart from additional channels like email, SMS, and messenger supported by the app.
Here are the quick steps on how to enable the integration:
1. Go to Integrations tab and click on PushOwl
2. Enable the PushOwl Integration.
That's it, and it should enable push notification as an option on your subscription widget. Here's an example: