Hearts of Iron IV companion

Ace Command Center

Connect your HOI4 game to the Ace Command Center mobile app using the secure Windows PC Bridge.

Download PC Bridge Setup guide

Live game data

View country, resources, military, research, wars, and more from your mobile device.

Local and remote

Use the local bridge at home or Firebase remote access over 4G, 5G, and other Wi-Fi networks.

Simple pairing

Sign in on Android, generate a one-time code, and enter it into the PC Bridge.