Health check can be included as part of retrospective flow. Team members can fill health check whenever they want. Usually they do that every retrospective.
It is usually measured once a quarter or once a month. This is pretty sad. In product-engineering cycle things change every day.
In Codigy, team members can submit their health check evaluations and associate notes with each question
In Health Check Template Builder you can create new questions, order them, select answer types and add icons to make it lively.