It should be noted that when the game was released, the purchase price of the full game was $29.99; this coincided with the sale price of the game on Steam. As of Jan 4, 2018, the price reverted back to the full $59.99.
On a related note, because Aspyr uses IAP to purchase/unlock the full game, AppStore Family Sharing is NOT
The complete game unlock for Civilization VI is sold as an in-app purchase. Apple does not support Family Sharing for in-app purchases at this time.
To play on multiple devices, Civilization VI would need to be purchased separately on a different iTunes account.
Check out Aspyr's FAQ: https://support.aspyr.com/hc/en-us/arti ... Mobile-FAQ
One last note, the game does support keyboard shortcuts as well as mods! Just do a little searching for the info.