I wanted a simple stock portfolio monitoring tool. I failed to find a simple and free app, but happily discovered that Google Sheets does what I need perfectly!

About a month ago, I discovered Apple had imposed new limitations on the free Apple Developer account. This limits the period that an app can run on your phone to 7 days (due to Provisioning Profiles) and the number of changes you can make to the project (not the source code, but Capabilities like App Groups).

Apps, even after being removed from the Launchpad or Applications sidebar in Finder, do leave preferences and other files scattered around. Where are they, typically, and how does one find them?