Q: Clash of commanders iron tides app open then closes

Hello Medmondson712,

I understand you are having issues with the Clash of Commanders app on your iPhone.   The resource below will provide some basic troubleshooting steps for apps purchased on the iTunes Store.   

If an app you installed unexpectedly quits, stops responding, or won’t open

If this is a recent purchase, you can report the problem to the iTunes Store Support Team

Report a problem with an item purchased from the iTunes Store, App Store, Mac App Store, or iBooks Store
https://support.apple.com/en-us/HT204084

Take care,