QOTO: Question Others to Teach Ourselves. A STEM-oriented instance.
An inclusive free speech instance.
All cultures and opinions welcome.
Explicit hate speech and harassment strictly forbidden.
We federate with all servers: we don't block any servers.
@pschwede crontabs on the condition it makes sense. There are plenty of cases where a "sleepy" app might make more sense. But if you have both these choices and see no reason for one over the other explicitly then crontab for sure.
Generally if there is a service that is already going to be running 24/7 for other reasons or its scheduling needs to be dynamic in some way.