Sorry Kev that you are having some anxiety and depression issues that you have been looking for an app to help calm you, not sure which apps are free, I Hope your running will help you with any problems you may have, many runners here have told us that running does help them with anxiety and depression.
There is a free-to-play mental health app called eQuoo, the Emotional Fitness Game, that just went through a clinical trial and lowers anxiety if you like that kind of thing?
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