The app may collect some personal data in accordance with its privacy policy, but it typically does not require extensive personal information to play.

Yes, Brain Test 4: Tricky Friends can be played offline, allowing users to enjoy the game without an internet connection.

You can cancel your subscription through the app store where you purchased it, by navigating to your account settings and managing your subscriptions.

The subscription cost for Brain Test 4: Tricky Friends may vary based on the chosen plan, but it generally offers options for monthly or yearly subscriptions.