You can create recurring shifts in the Breakroom App. You can select from the default options like once a week or every weekday. You can also create custom recurring shifts such as once every two weeks or repeating on the first day of every month.

Breakroom as a Crew App Alternative
Breakroom as a Slack Alternative
Breakroom as a When I Work Alternative
Breakroom as a Homebase Alternative
Breakroom as a Microsoft Teams Alternative