Yes, The Seven Deadly Sins may collect personal data for account management, gameplay enhancements, and advertising purposes, as outlined in their privacy policy.

While some features may be accessible offline, a stable internet connection is generally required to enjoy all game functionalities and updates.

To cancel your subscription, you can go to the settings in your app store account and manage your subscriptions from there, following the provided instructions.

The cost of a subscription varies depending on the type of subscription selected, typically ranging from monthly to yearly options with different pricing tiers.