For Google Play / Android:

No, Family Sharing is not supported, as Google Play Family does not support the sharing of in-app purchases.

We're sorry for the inconvenience caused. More information can be found here:

Use Google Play Family Library - Google Play Help

For iPhone, iPad, Mac / Apple App Store:

Yes. The in-app purchase for the full game unlock is supported in Apple family sharing setups.

To learn more about family sharing, please see Apple's documentation:

https://support.apple.com/108774 

If you have further questions about this, please contact us.