The best software to be used as a journal is, in my opinion, DayNotez (
www.natara.com). Moreover, the desktop app is more than worth its weight in gold. I log in anything from my regular blood pressure data to business to meetings. Another option is Bonsai made by the same developers. It is an outliner that is a powerful journaling app as well. I use it for my personal Bible study and Sunday messages. Check out Natara and see if its a good fit for your needs. They're tech support is cordial and efficient as well. Good luck!