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 for when a reader replies in a Chat 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.
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.
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 for 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 icon and select the Settings gear in the top-right corner. Tap "Notifications" and on this screen, toggle off Replies and Reactions.
1. Tap the Profile icon and then the Settings icon in the top-right corner.
2. Click on Notifications and in the Chat section, toggle off Replies and Reactions.
Learn more here on how to mute a publication's Chat.