Yes, Upside: Cash Back - Gas & Food offers a free version that allows users to earn cash back without any subscription fees, although premium features may be available for a fee.

Yes, Upside: Cash Back - Gas & Food requires an internet connection to access deals, track transactions, and process cash back rewards effectively.

You can contact support or send feedback through the app's support feature, usually found in the settings or help section, or by visiting the official website for additional contact options.

You can manage or cancel your subscription directly through your account settings within the app or by following the instructions provided in the app’s help section.