Zombies.io

This application allows users to choose their favorite characters and weapons, and use random skills in battle to reflect different growth strategies and genres. The game offers a great operating feel, with hot scenes and cool graphics. The ultimate goal is to survive in a biochemical land, where there may be other players to compete against.

The app also offers an automatic subscription service, with two options available: the "Monthly Card" and the "Premium Monthly Card". The "Monthly Card" offers continuous monthly subscription for $4.99, while the "Premium Monthly Card" offers the same for $9.99.

Once the user confirms the purchase and pays, the amount will be credited to their iTunes account. The subscription will automatically renew within 24 hours before the expiration, and the subscription period will be extended by one subscription period after a successful deduction.

If the user wishes to cancel the renewal, they can manually close the automatic renewal function in the iTunes/Apple ID settings management 24 hours before the current subscription period ends. The service agreement and privacy agreement can be found at the provided links.

In summary, this app offers an exciting gameplay experience with customizable characters and weapons, and the option to use random skills in battle. It also offers an automatic subscription service with two options and clear instructions on how to manage the subscription. The game takes place in a biochemical land where players must survive and compete against others.