There are multiple countdown apps, each with their own habits and way of working.
You can also use the Heimdall alarm app ; in the newest versions there is a way to check all contacts: Heimdall - Let Homey watch over your home
There are multiple countdown apps, each with their own habits and way of working.
You can also use the Heimdall alarm app ; in the newest versions there is a way to check all contacts: Heimdall - Let Homey watch over your home