Heres how to cancel Kindle Unlimited using your web web client:

Go toAmazon.com.

Mouse overAccount & Lists, and clickMembership & Subscriptions.

ClickCancel Kindle Unlimited Membership.

Memberships & Subscriptions on Amazon

Tap theaccount icon (person).

TapCancel Kindle Unlimited Membership.

Can You Cancel Kindle Unlimited Using a Kindle?

Kindle Unlimited Settings on Amazon

The “Cancel Kindle Unlimited” button on the Amazon site

The Cancel membership button

Your Account / Memberships & Subscriptions on a Kindle Fire

The “Kindle Unlimited Settings,” “Cancel Kindle Unlimited Membership,” and “Cancel Membership” buttons on a Kindle Fire