Many developers appear to be working on phone apps that might make dealing with your mental health issues a little easier. A recent article outlines these possibly helpful apps and their goals.
It looks like the developers have taken into account the different needs people might have and utilized those needs to format apps that will help them with the day-to-day problems they face. This could be especially helpful between sessions with a therapist. While these apps might ameliorate some issues, it is likely that nothing can take the place of the in-person care a therapist can provide at present.