When scheduling activities that have a positive effect on your mood have you considered trying out mindfulness? There is evidence from well conducted studies that Mindfulness can be a helpful for people with low mood. If you have had a period of being depressed Mindfulness can also help guard against depression coming back. If you want to know more why not try out this TEDTALK video by Andy Puddicombe:
How does Bunji allow you to be mindful of your mood?
Use the mood tracking functionality available on the application by using the side bar menu or the app bar below. Bunji collects signs of your mood through your interactions with the application (e.g. through check-ins and application reviews) and compiles it in an analytical view which you can review.