Also not a doctor but glucometers can be cheap, not that scary, and answer exactly this question.

Oh buddy if only my setup was simpler. Between Ubuntu and Snap and external NTFS hard drives, I’ve got work to do to get this working.

With the exception of Jellyfin for me for some reason.

And the new Toxic Avenger

A very good but corporate option is Todoist. I’ve tried most and this one ticks all the boxes, including that the free version is way adequate for how I use it.