This post is going to cover both blog challenges because it ties in with both.
The one thing I don’t leave the house without is my (android) smartphone!
This is mainly because I need to keep connected with the monitoring for the various services we run, and also social media/email etc.
The main reason I prefer android over iOS is the screen size! I used to take advantage of the fact that the apps on Android were more full featured and I could get root access, but my needs are more modest these days so it doesn’t really matter!