Grid Diary - The simplest way to get started with keeping a diary
Headspace - Meditation made simple. Brilliant things happen in calm minds.
CustomJournal - Flexible structured journaling with customizable prompts
Medito - 100% Free Meditation App that will improve your Mental wellbeing with the help of Guided Meditations, Breathing Exercises, Mindfulness Practices, Relaxing Sounds, and more.
Stigma - A daily journal to be happier and more self-aware
Calm - Calm.com can help you reduce stress and increase calm.