Call of Antia: Match 3 RPG is free to download and play, but it may offer in-app purchases for additional content and features. There is no specific free trial period since the game is accessible without charge.

While Call of Antia: Match 3 RPG can be played offline for certain modes, an internet connection is required for features such as multiplayer battles and events that involve other players.

Players can contact support or send feedback through the in-game support feature, official website, or designated support email, where assistance and responses to inquiries are provided.

Players can manage or cancel their subscriptions through their device's app store settings, where they can view their subscriptions and make changes as needed.