Is the Companion App compatible with the Nimbus+? Related Searches Companion App Nimbus+ GG firmware Controller Updates SteelSeries The companion app is for the Nimbus only, not Nimbus+. Users can check for Nimbus+ firmware updates in GG on their PC or Mac. If you have additional questions on how to check your devices firmware, please refer to this Arcticle. Related articles Do I need an app to use the Nimbus+ controller? How do I check if my device's firmware is up to date? My Nimbus+ is not responding Setup: Nimbus Wireless for iPhone & iPad How to check is your SteelSeries Product's Firmware is Updated