Because it is two birds with one stone? Because it is one less system to maintain? Because it is superior to a web based UI with mutliple tools under different headers? because it is simple for even the least technical?
Suggestion is to use a free Pdf xchange editor by tracker software. And print the document to pdf when done.
That is a good point in the world of ipad, android, and iphone. But did you know that iOS has most of these features built in? I just discovered this now.
I'm running this in a container on my nas. There isn't anything to maintain with tools like this. If setup, properly - they keep running unless stopped. They can even be auto-updated when their is a new image. I have several types of utility apps I'm self-hosting. I rarely have to do anything other than keep the OS updated.
Unraid is nice, and pretty easy to maintain. You get a web interface and can set up auto updates. There a many different applications in their app store, too, or you can make your own using plain docker.