Different blocks on a custom screen will refresh at different rates. See below for more details.


Calendar

The calendar will update depending on your plan:


FreeEssentialPlusPro
Hourly30 minutes15 minutes10 minutes



The remaining blocks will refresh the same, regardless of your selected plan:


Todo - 20 minutes

Stocks - 10 minutes

News/RSS - hourly

Nest/Ecobee Thermostat - 2 minutes

Smartthings - 2 minutes

Traffic - 15 minutes

Airport Delays - 20 minutes

Spotify - 15 seconds

Weather - 20 minutes