The Opti Software Subscription With Muse includes access to two iOS Mobile Apps, Opti Train and Opti Brain, and the Muse brain sensing headband kit. The two mobile apps can be found and installed in the Apple App store on your device by searching for Opti Train and Opti Brain. To access the apps you will simply login on your device with your Opti Brain username and password that you will set up while you check out and pay for your Opti Software Subscription. To use the mobile apps you must have a Muse brain sensing headband that will be shipped to you. Also included in the shipment package is a carrying case for your Muse headband, and Opti Sweatband that can be worn on top of you Muse headband to secure it if you plan on using it while in motion, and a bottle of Opti Free sensor solution that can be lightly spread on the Muse headband sensor to get a better connection with you brain activity.