Let'sgoflying!
Touchdown! Greaser!
Just like Foreflight has, but a standalone app - where you can doodle or type, save.
Wear shorts, write on knee with pen... $0.08 per pen.
Of course, he didn't say it was for in-flight notes. I've mentioned elsewhere I came back to a kneeboard and paper in the cockpit. I use Notability for many other things.