Would a Garmin edge work with just HR for live Xert stats outdoors?

Hi I’m loving Xert on my iOS device for indoor power based workouts, and the analysis of HR based rides outdoors with data from my Bolt.

I was wondering if the Garmin IQ app would work with just HR (and cadence sensor?) give live data eg MPA , Carbs, Fat burn etc outdoors?
I will get a power meter in the future but not for a while!

Thanks in advance.