PushFlew allows you to turn on and off either of these types of notifications. This means you can use PushFlew to generate your sites Email subscription list or have user subscribe to Push Notifications through their browser, or both. 

These services are simply turned on and off as required in your dashboard. The Push Notification List Builder On and Off switch can be seen below.


For a more detailed account of turning the relevant services on and off see the following articles.