The Calm app can be downloaded for free on your Apple (iPhone, iPad) and Android (smartphones and tablets) devices from your device's app store by searching for "Calm."
Please note that the Calm app is only supported on Apple devices running iOS 16+ and on Android devices running 8.1 and higher.
You can also download the app directly through one of the links below:
Android: https://play.google.com/store/apps/details?id=com.calm.android
iPhone: https://itunes.apple.com/us/app/calm-meditate-relax-guided/id571800810?mt=8
iPad: https://itunes.apple.com/us/app/calm.com/id571800810?ls=1&mt=8