Substack Chat is available on the web and the Substack app.
If you'd like to stop receiving push notifications for Chat on the Substack app, here are several options:
Turn off notifications for a publication for iOS
On the Substack iOS app, tap on a publication and select "Mute chat".
Select how long you'd like to mute the chat for: one hour, until the next day, or until you manually unmute the chat.
Turn off notifications for a publication for Android
Tap on a publication on your Chat dashboard and select "Mute".
Turn off all notifications for Chat on the Substack app
Tap your profile picture and select Settings. In the Settings menu, tap Notifications.
For iOS
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.
For Android
On the Notifications screen, move every toggle in the Chat section to the left. This means that Chat notifications will stop immediately.
To leave a Chat
To leave a chat, tap the three dots and select "Leave chat".