Screen Time doesn't sync

[adib]

It seems there's a synchronization problem with Screen Time. My weekly utilization figures are vastly different when viewed on my Mac as opposed to my iPad and also iPhone. This is despite I've selected all devices in the reporting.

Here are last week's _average utilization_ figures:

• mac: 9h 39m
• iPad: 5h 49m
• iPhone 5h 58m

These devices aren't shared – they're all used by me alone and logged in to my Apple ID. Hence the numbers should be the same.

On macOS 10.15 and iOS 13.


How can I fix this?