The KIM KARDASHIAN WEST OFFICIAL APP is free to download.
HOW DO I SUBSCRIBE TO THE iOS APP?
To subscribe (and have access to premium content), you will be charged a $2.99/month subscription fee through your iTunes account. This is a recurring transaction and will automatically renew unless you cancel your account at least 24 hours before the end of the current subscription month.
You can manage your subscription, cancel anytime, or turn off auto-renewal by accessing your iTunes account.