I've just read alot about push notification servers, self-hosted ones as well as cloud. and I am pretty much confused about one aspect.
I need push notifications for my Android/iOS app for more than a million devices using the same app. now there is no free service for that scale and paid services will result in too much monthly fees, so I thought about running my own server with an open source solution. I've checked Many but parse seems to be the best fit. but they say that it uses FCM and I know from google pricing that it is free only for a limited number of registered devices. I thought that hosting my own push server would spare me those fees; but it seems like not; what good is it then ? wouldnt it be better to just use FCM directly ?