Headspace (iPhone, Android) - meditation made relevant to modern life. Get unique daily guided meditations, science facts and figures and progress reports, all designed to make it as easy as possible for you to get some calm and clarity.

Calm (iPhone, Android) – a great way for beginners to start meditation. It starts you out with a seven-day program. Choose between options for sound and length of time, as well as scenes from nature for you to visually focus on while you meditate.

Insight Timer (iPhone, Android) – Includes both a timer for you to mediate as well as a number of audio-guided meditations, if you're new to meditating. Search by length, popularity, instructor, etc.

Stop, Breathe, & Think (iPhone, Android) – offers a solid sampling of the basics of meditation, featuring a range of exercises at varying lengths (mindfulness meditation, loving-kindness meditation, the body scan practice), ideal for short practices at work and longer sessions at home