A simple which alerts you before the blue circle appears.

You can also see the lowest your health can be before healing in the blue circle.

The settings page allows you to edit the alert / circle timers and heal times.

Usually Circle Alerts for PUBG iOS app used & searched for

pubg, pubg無料, playerunknown’s battlegrounds, player unknown battlegrounds, player unknown battle grounds, players unknown battlegrounds, pubg game, pubg games, playerunknown battlegrounds, players unknown, player unknown battleground, player unknown, playerunknown, player unknowns battlegrounds, battlegrounds pubg, battlegrounds pubg mobile, player battlegrounds, pubg companion, pubg-companion, and other. So, download free Circle Alerts for PUBG .ipa to run this nice iOS application on iPhone and iPad.