GPS data for cardio fitness

[Jacquip]

When the info says your score will be more accurate if you use GPS for running, I have the GPS running through a different app (running for weight loss - as it paces out my interval training) which then syncs to Fitbit app. Does this count or should I be running the Fitbit GPS instead? 

[Rich_Laue]

This might depend on what other app your using. Most post to Fitbit as if you manually added it, I very much doubt it will