[ChrisMarshallNY]

I’ve used OmniGraffle for years on Mac. Notes Plus is good on an iPad.

Recently, Apple has made playgrounds more useful on iPads, so I can now save something that I’m working on, and play with it on the road.

My default issue tracking system is a sticky note pad on the desk. I write a brief description of the problem/feature, and stick it on the desk, to the left of the keyboard. When I am working on it, I move it above the keyboard. When I fix/implement it, I move it to the right. When I’m done testing, it goes in the trash. I use code and checkin comments for posterity. I’ll also use GitHub Issues. They allow me to enter bug reports from my phone or pad, and associate checkins with issues.