Daylio has been requested before (and I just saw it has 4 upvote, so I am guessing its pretty popular ?) github.com/journiv/journiv-app/issues/58

Daylio kind of mood tracking i.e. extensive without custom mood and to an activity will come soon. Import from Daylio is possible although I am not sure how much the demand is. The github repo has lot of import from request from different apps and import does take a lot of time to build as most apps have obscure formats and nuances to deal with or on purpose don’t support simple portable formats to lock down user data. For example see the circus one has to go through to get meaning from Daylio export: www.joelotter.com/posts/2022/01/daylio/