Yes, Sleeper Fantasy Sports does collect personal data to provide its services, including information like your name, email address, and usage statistics. The app has a privacy policy detailing how this data is used and protected.

Sleeper Fantasy Sports requires an internet connection to access its features and services, so it does not support offline use.

To cancel your Sleeper Fantasy Sports subscription, you can go to your account settings within the app and follow the prompts to manage your subscription. Alternatively, you can cancel through the app store where you initially subscribed.

While Sleeper Fantasy Sports is free to use, some features may require a subscription that varies in cost depending on the specific services and features chosen. Check the app for the most up-to-date pricing information.