I highly recommend MediSafe. I use it on a daily basis and it is indeed a life saver.
“Consumers are increasingly happy with their existing smartphones, IDC says, which means fewer people buying them. That means that the smartphone manufacturers are trying to spur people to upgrade early and often – in case you were wondering why Apple is so focused on its iPhone trade-in and upgrade programs.”
Pen & paper using my own short hand notes, works good for me. If I use technology (laptop/tablet), it’s a combination of short hand again and my own words.