Substack Chat is available on the web and the Substack app.
If you have Chat notifications enabled on the Substack app, you can receive push notifications when a reader replies in a thread, shares an image reply, reacts to a thread, or starts their own thread.
To turn off reply notifications for a specific Chat thread on the Substack app
If you don't want to receive push notifications about replies or reactions in a Chat thread, you can turn them off.
For authors:
On iOS, long press on your initial message and tap the toggle next to "Reply notifications" so that it is grayed out.
On Android, tap into the thread and click on the activity bell at the top of the screen.
For readers:
On iOS, tap on a thread and select the toggle next to "Reply notifications". A gray toggle to the left means that you will not receive any push notifications about replies or reactions to this thread.
On Android, tap on the activity bell at the top of a thread, and a confirmation that "reply notifications off" will appear.
To turn off Chat replies and reactions for all Substacks on the app
1. Tap your profile picture and select Settings. In the Settings menu, tap Notifications.
2. On your Notifications, make sure that the toggles are on the left for each item listed in the Chat section. You will not receive any push notifications about Chat.
Learn more here on how to mute a publication's Chat.