Open Snapchat
Tap your profile icon
Tap the gear icon for Settings
Tap Notifications
Turn off the notification types you do not want
To stop all Snapchat notifications, go to your phone’s Settings app
Tap Notifications
Find Snapchat
Turn off Allow Notifications or Notifications
On iPhone, you can also use Focus mode to silence Snapchat alerts
On Android, you can also long-press the Snapchat app icon and open App info to adjust notifications