10% Happier, free app for iPhone, "Meditation for Fidgety Skeptics" offers clear and simple meditation. Learn to meditate and improve your practice with New York Times bestselling author Dan Harris and some of the most respected (and cool) meditation teachers. Designed for skeptics, built for a lifetime of mindfulness.
Calm, paid app for iPhone and Android, is not only a great mindfulness app for beginners, but also includes hundreds of programs for intermediate and advanced users. Enjoy 100+ guided meditations to help you manage anxiety, lower stress and sleep better.