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More defined time limit settings

Not sure if this is the exact feature request location but I'm happy to see that the Bitdefender Central app has time limit settings. I realize that iOS 12 but having the time limits in Central is nice for multiple devices.

I'd like to have 15 minute intervals for time instead of hours. Also ways to temporarily add more time like "rewards". I know most of the devices that are used have the ability to do this on the OS itself but again having it in the Central location for all devices is awesome.

I recently used Disney Circle which was really good but I had to turn it off because of the inconsistency with the router. Take a look at those features if you need a reference.