Download Online Timer – For GTA Online 1.0.2 APK
Simply choose between 24 hours, 12 hours, or 6 ingame hours and the app will alert you when that amount of ingame time has passed. For use in GTA V or GTA Online.
You can enable sounds and notifications. The app can run in the background and send you a notification once the time you chose has passed.
This is an unofficial app and is not associated in any way with Rockstar, Rockstar North, Rockstar Games, or Take-Two Interactive.