I have a vivosport which HR reading during various exercises is extremely low. Is there a way (either in Connect or through a 3rd party tool) where I can take the movement information from the Vivosport and combine it with HR information from another heart rate monitor (in this case Viiiiva) that also produces a .fit file? Ideally I'd be able to pair the Viiiiva would pair over ANT+ directly to the vivosport, but Garmin has not enabled that.
Not in Garmin Connect, but since it's just consolidation and massaging of digital data, I don't see why you won't be able to do what you want using a third-party tool, even if the third-party tool may not yet exist today and you'll have to develop (or find/pay someone to develop) it.
If you want to able to use an external ANT+ heart rate monitor to supply HR data on the fly for recording into a FIT file for a timed activity, Garmin sells plenty of wearable device models (see https://www.thisisant.com/directory/viiiiva/ and filter the list of compatible devices by “Garmin”) that will allow it, so “ideally” you would have selected and purchased one of those instead of the vivosport, but you have not done so.
Not in Garmin Connect, but since it's just consolidation and massaging of digital data, I don't see why you won't be able to do what you want using a third-party tool, even if the third-party tool may not yet exist today and you'll have to develop (or find/pay someone to develop) it.
If you want to able to use an external ANT+ heart rate monitor to supply HR data on the fly for recording into a FIT file for a timed activity, Garmin sells plenty of wearable device models (see https://www.thisisant.com/directory/viiiiva/ and filter the list of compatible devices by “Garmin”) that will allow it, so “ideally” you would have selected and purchased one of those instead of the vivosport, but you have not done so.
Do you have a suggested third party tool I should investigate?
And to be frank with you - ideally I shouldn't have to use a separate hrm at all - the accuracy of the vivosport sucks in comparison to my old vivosmart hr+. I did consider other models but the HR capabilities of the vivosmart hr+ were sufficient. Silly me for thinking a the capabilities of Garmin's new and improved heart rate sensor would be better than their older technology instead of a massive step backwards!
Sorry, I have little personal interest in combining data from multiple sources to form one true record of a timed activity after the fact, and so have never investigated the market for such tools. However, given that the FIT file specification documentation is readily available, there is absolutely no reason for me (who used to make a living developing software that combines data from multiple sources to provide business intelligence to enterprises) to think a third-party tool cannot be written by a party other than Garmin and Viiiiva to read the files their devices produce and then spit out what you want.
I have a Garmin Forerunner 235 (which has a built-in Elevate optical HR sensor) and a Forerunner 630 (which doesn't have a built-in HR sensor, but was bundled with an HRM4-Run chest strap heart rate monitor, to which both the FR235 and the FR630 can connect over ANT+) in my household, so there is no need to look further afield.
