One thing that not many people know: you don't need to have a Google account to use GCM/FCM even with official Gapps. You can simply not sign in to Google play and push will still work.
It's still running tons of spyware yes but it's an alternative on phones where MicroG is not an option. Eg Samsung phones with Knox enabled.
It's still running tons of spyware yes but it's an alternative on phones where MicroG is not an option. Eg Samsung phones with Knox enabled.