Yes, Home Design 3D: Draw & Plan offers a free version with limited features, allowing users to explore basic functionalities before deciding to purchase the full version or subscription.

The app can be used offline for designing, but some features, such as downloading additional content or sharing projects, may require an internet connection.

You can contact support or send feedback through the app's help section, which typically includes options for reaching out via email or accessing online support resources.

You can manage or cancel your subscription through the app store from which you purchased it, such as the Apple App Store or Google Play Store, where you can find options in your account settings.