Previously known as "Journal App", Good Diary lets you track your daily activities and moods. You can record notes, manage medications, and create custom categories to track whatever you need. Features include trend analysis, mental health resources, safety tools, and data exporting.
Your data is private and never shared under any circumstances - Privacy Policy.
Get it for free: https://play.google.com/store/apps/details?id=com.danielchalmers.journalapp.