Each time a Snapchat contact sends you a snap or a message, the application will send you a push notification to alert you. If you find these notifications to be unrelenting and pesky, there is a simple way for you to disable push notifications from Snapchat.
How To Disable Snapchat Notifications
Launch Snapchat and tap on the Settings menu:
Next, scroll to the Advanced section and select Notification Settings:
Uncheck Receive Notifications to disable notifications.