Background data


Hello i’m building a calendar app(ios & android) that needs to fetch data in background
what is the best option ?

*Server push using oneSignal or similar service
-push a msg to go to the server and fetch
is the reliable ? read some where that google push is not 100% ?

-have a socket open and/or push cmds/data
how will this work in the background ? will ios alow it ?

*MQTT client
-same as

*some other way ?

what do you guys say
whats the best way ?

i’m not interested in firebase or service that cost to mush


Firebase is free, in case that might change your thought on that front. I use it for most of my apps, it’s very solid, considering the price :slight_smile:


hmm thanks but if the app is a success it can be a nightmare
thanks anyway