Countdown to activate an action

Need help
1

Hello,

I am trign to create my own app, in order to do so I need to start a countdown that when finishes starts another countdown, I tried to use the " only when " action on the workflow but I am not able to make it work.
Currently I tried with the countdown plug-in

2

Hello, you can achieve this with the free Timer plugin.
Did you tried with this one and managed to make it work?