Even though some of the links go directly to the iTunes or Android store, still double check them because most of them are available of both platforms as well as others :)
12 Steps AA Companion (iTunes/Android)
ASK & Prevent Suicide (iTunes/Android)
Beat Social Phobia (iTunes/Android)
BellyBio Interactive Breathing
Cognitive Diary CBT Self-Help
Cognitive Enhancement Therapy
Control Alcohol (iTunes/Android)
DBT Diary Card and Skills Coach
Depression CBT Self-Help Guide
eMoods Bipolar Mood Tracker
Emotions and Feelings - AutismFeelings Book
Happy Habits: Choose Happiness
HELP Prevent Suicide (iTunes/Android)
Mobicip Safe Browser with Parental Control
Mood Tracking Journal and Diary
MoodMaster Anti-Depression App
Operation Reach Out (iTunes/Android)
Overcoming Social Anxiety
QPR Suicide Crisis Support
SAM – Self Help for Anxiety Management
SAS – Social Anxiety Support
Scientific Brain Training Pro
Stop Panic & Anxiety Self Help
Stop Drinking (iTunes/Android)
Watch Over Me – Personal Safety App
Worry Box- Anxiety Self Help