Yes, AirPlay - Cast Screen offers a free version with limited features, and users can opt for a free trial of premium features before committing to a subscription.

AirPlay - Cast Screen typically requires an internet connection for initial setup and streaming content from online sources, but local streaming between devices on the same network can be done without internet access.

You can contact support or send feedback for AirPlay - Cast Screen through the app's support section, which typically includes options for email support or a contact form for inquiries.

You can manage or cancel your subscription through the app's settings menu or by accessing your account settings on the platform where you purchased the subscription, such as the App Store or Google Play.