You can email Zoosk customer support at support@zoosk.com. You should state in the email that you are canceling your subscription and that you are entitled to a refund.

How do I cancel my Zoosk account through iTunes?

How do I cancel my subscription through an Apple device ?Tap on Settings.Scroll down until you find iTunes and App Store and tap it.Tap on your email address or Apple ID.Tap on View Apple ID.Scroll down and Tap on Subscription.Find and tap on your Zoosk Subscription and tap Cancel Subscription.Tap confirm.

How do I cancel my Zoosk subscription on my computer?

Open your web browser, go to www.zoosk.com, and log in to your Zoosk account. Click on the cogwheel icon in the top left corner of the page, near your name. Select the menu Subscription on the right side, this will take you to your subscription page. Select Cancel Subscription on the bottom part of the page.