Yes, Fate/Grand Order (English) may collect personal data as outlined in its privacy policy, which typically includes information necessary for account management and gameplay.

Fate/Grand Order (English) requires an internet connection to play, so it does not support offline use.

Since there is no subscription service, players can simply stop making in-app purchases; for any recurring purchases, cancellations should be done through the app store settings.

Fate/Grand Order (English) does not have a traditional subscription model but offers optional in-app purchases that vary in price.