We, the game developer, do not charge tax. The prices for the in-app purchases can vary between different countries and/or platforms. It’s worth pointing out that the prices are not “personalized” in any way, so within a given platform and country, the prices are the same for everybody.

iOS:

Apple processes payments made toward the game through iTunes for iOS devices. If there are any issues with the billing or have any questions about the billing process, you can contact Apple here: https://support.apple.com/contact

Android:

Google processes payments through Google Play for Android devices. If there are any issues with the billing or have any questions about the billing process, you can contact Google here - https://support.google.com/googleplay