I know you guys aren’t lacking for ideas and suggestions right now, but i’ve been using this web app called cloudahoy for my flying. There’s lots of good features and interface you might “get inspiration” from:
I’ve used it when it just came out, years ago. The idea that it can “sense” what you are doing, even back then, was insane. It could tell me if I was doing soft field takeoff vs normal! How cool is that!