Yes, Flex Run 3D offers a free version with optional in-app purchases, allowing users to experience the game without a subscription commitment.

Flex Run 3D can be played offline, but some features, such as leaderboards and multiplayer modes, may require an internet connection for full functionality.

You can contact support or send feedback for Flex Run 3D through the in-app support feature or by visiting the official website, where you can find contact information and a feedback form.

You can manage or cancel your Flex Run 3D subscription through your device's app store settings, where you can find options for subscriptions and billing.