While all our games are free to download, they do contain in-app purchases. You can play entirely for free, but making purchases can help you speed up your progress and increase your in-game resources.

You can limit or disable in-game purchases in your device's settings. Check the following articles to learn more about how you can protect yourself from unwanted in-game purchases:
Set up your Apple ID media and purchase settings on Mac
Change Media & Purchases preferences for your Apple ID on Mac