Easy Mood Diary help you do this very simple - nothing fancy just a simple and effective mood diary. WHAT IS A MOOD JOURNAL? A mood journal help you register and visualize your mood with the purpose of taking action to improve it. Mood diary is a tool often recommended by psychologists and therapists to help discover facts about ourselves that otherwise slip our attention. You may experience a diagnosed condition like anxiety, bipolar, OCD or depression. You may have stressful job or you may otherwise be emotional unbalanced.