No, you cannot cancel your NFL+ or NFL+ Premium subscription through the NFL Fantasy App.
If you signed up for your subscription with us and wish to cancel your subscription, log in to your NFL.com account and visit the 'Manage Subscriptions' page. Then click ‘Manage Subscription’ next to your NFL+ subscription and click ‘Cancel.’
If you signed up for your subscription through an online app store and wish to cancel your subscription, you can cancel in accordance with the terms of such online app store.
* NFL+ is available in the United States only. For users outside of the United States, please visit DAZN
* NFL+ is not available in US territories.