My go-to tool of late is duckdb, comes with binaries for most platforms, works out of the box, loads any number of database formats and is FAST.

Wow.

I’ve been processing a couple of billion rows of data on my machine, the fans didn’t even come on. WTF are they teaching “experts” these days, or has Elmo only hired people who claim that they can “wrangle data” and say “yes” ?

If I wanted my computer to make a sound, I’d wet my finger and rub it on the screen.

Block and Report … it’s similar to Like and Subscribe … but different.

The boundary of where to host what, is not fixed. You cannot host the internet at home. Where people sit on the spectrum varies depending on skill, resources and need.

I highlighted several options that provide a solution for someone with limited skills and resources.

You could host a CALDAV server or a next cloud at home and use the suggestions I provided, or you could use those hosted by someone else.

My answer was to provide ideas, not a how-to guide, answering, in my opinion, exactly what OP was looking for.

That it doesn’t match your idea about solving the problem tells you that there are many ways to solve software problems. My suggestions had a low barrier to entry.

What’s your recommendation for OP?

Google Sheets will be a simple solution you can do for free.

The app “Track & Graph” is another.

I have been logging all my medical events using Tasker and a Google Calendar. Analysis is manual using graphviz.