Mind Machine uses rhythmic sound and flashing light to alter the brainwave frequency of the user. Mind Machine can induce deep states of relaxation and concentration. The experiences have been compared to those obtained from meditation. The free version contains 15 mind stimulation programs. The full version contains 35 mind stimulation programs. The programs will help you to: 1. relax 2. remove stress 3. meditate 4. fall asleep 5. get more energy 6. learn faster 7. enhance your creativity 8. train your brain 9. overcome addictions People with epilepsy should not use this app.