Yes, Brainova offers a free version with limited features, as well as a free trial for its premium subscription, allowing users to explore additional content and benefits.

While some features of Brainova may work offline, an internet connection is required for certain functionalities, such as downloading new content and accessing online leaderboards.

You can contact support or send feedback via the app's settings menu, where you'll find options for customer support and feedback submission.

You can manage or cancel your subscription directly through the app store settings on your device, where you can find your active subscriptions.