You can manage push notifications from Flow for iOS right within the app.
Push notifications from Flow can be managed right within the iOS app. Tap on your avatar in the top left, then Profile & Settings, and finally Notification Preferences.
On the Notifications Preferences page, you can select which notifications you want to receive via email and which you want to receive as push notifications on your device. Simply tap the checkboxes to select which notifications you want to receive and in what format (email or iOS push notification).
If you don’t want to receive any notifications from Flow on your device (or by email), you can turn them off by unchecking all the boxes. You can also quickly revert to the default settings by clicking the link at the bottom of the view.
Managing Push Notifications
Push notifications from Flow Tasks can be managed in your iPhone/iPad Settings. Tap Notifications, scroll to find Flow and tap to open the Flow Notifications page.
If you don’t want to receive any notifications from Flow on your device, you can turn them off by turning the Notification Center button off. Below the On/Off button you can choose how many notifications you want to appear at a time in your Notification Center.
You can also choose what your notifications look like, sound like, and whether you can see these notifications in your iPhone/iPad lock screen. Your changes will be applied right away, so just press the Home button to close.