Sometimes an issue where the prices of some items in the Shop are displayed as N/A when entering Shop on iOS devices can happen.

In this case, the issue can be solved by using the following method.

1. Reboot your device and run the game again to check the price displayed in the Shop.

2. If rebooting the device did not solve the issue, log out from the Apple App Store and log back in to check the price displayed in the Shop.