Game Booster 4x Faster Pro is designed to prioritize user privacy and typically does not collect personal data, but it's always best to review the app's privacy policy for specific details.

Yes, Game Booster 4x Faster Pro can be used offline, allowing users to optimize their games without needing an internet connection.

To cancel your subscription, you can go to the subscription settings on your device or through the app store where you purchased it, following the prompts to cancel your subscription.

The subscription cost for Game Booster 4x Faster Pro may vary based on the plan chosen, typically offering monthly or yearly options at competitive pricing.