How to reload ios/android apps when live update installed?

Hi all, We are using Live Update feature via appflow which works with background sync. Currently it install last updates when open the app so it required to reopen the app to see last version. What i m trying to do is that show an alert like (Hey, new update is available. Do you want to reload app ?) when any update is installed. How can i achieve that ?

by adding logic to look for the app version and current server version and compare. then add a alert to it.