Bosch Flow App not saving heart rate data

lanceclifford

New Member
Feb 11, 2024
3
1
Utah, USA
Flow app is reading my heart rate off my apple watch, and it shows up on my Kiox display. However when I complete a ride, I don't see any heart rate data saved in either the Flow app ride, nor is heart rate data uploaded to Strava (but everything else is, including cadence, etc). Am I missing a setting?
 

beutelfuchs

Active member
Aug 11, 2019
191
110
Barcelona
For what I saw the flow app stores power data in a non conformant way in it's .fit files. I tried to read them with few different tools like garmin, xert and others and a big part of the power output just seems missing.
Even reported it to bosch but w/o any reaction other than thank you for your email.
But I have not tried strava, maybe they implemented a workaround.
 

cykelk

Well-known member
Subscriber
May 15, 2023
128
162
Cascadia
Bumping this up in case anyone has fresh hot tips. For those of us who use rider power and heart rate to track training efforts, this is quite an annoying gap.
 

ValActionT 750

New Member
Jul 31, 2024
25
11
Escondido
Well that's incredibly dumb. Guess I'll ditch the flow app and just use Strava.
The kiox 300 only displays HR it doesn't record it. I just use Strava on my apple watch
Sigh.. if you’re using an Apple Watch, I‘ll assume you are also using an iPhone. The HR will be found in the Health and /or Fitness apps along with other metrics. You don’t need your iPhone with you. . I know the Apple Watch can track & record activity, via the Fitness app. I personally when using Fitness app concurrently with Flow, HR will only appear on my Apple Watch not simultaneously on Bosch display. I could be doing something wrong….
 

cykelk

Well-known member
Subscriber
May 15, 2023
128
162
Cascadia
Sigh.. if you’re using an Apple Watch, I‘ll assume you are also using an iPhone. The HR will be found in the Health and /or Fitness apps along with other metrics. You don’t need your iPhone with you. . I know the Apple Watch can track & record activity, via the Fitness app. I personally when using Fitness app concurrently with Flow, HR will only appear on my Apple Watch not simultaneously on Bosch display. I could be doing something wrong….
Yeah I am using an iPhone and can see the HR plot in Health / Fitness apps, but that's no more than a novelty for my use case. The fact I know it's there makes it all the more frustrating that the data doesn't travel seamlessly with FIT to other platforms (I use intervals.icu).
 

pinoymamba

Member
Nov 26, 2023
52
34
USA
You’ll need a Bluetooth approved HR from Bosch lists if you want to track it. I haven’t done it yet because I don’t feel like purchasing a new HR monitor. I use Garmin HR/1030 and p2M cranks for the road.

The real issue here is not being able to sync Bosch to a Garmin 😔
 

cykelk

Well-known member
Subscriber
May 15, 2023
128
162
Cascadia
For others navigating this I've resorted to recording with both the Flow app and the Garmin computer, then using the gotoes combiner to merge power / cadence data from Flow with GPS and HR from Garmin. The process is clunky but the tool is great.
 

JayJay2000

New Member
Jan 4, 2025
6
1
Uk
Just figured that it isn't possible for the Flow app to add my HR monitor data when it uploads to Strava. Looks like it's a common issue. What woukd happen in Strava if I used the Strava app at the same time as flow app? Do I get 2 uploads of the same ride within Strava? Or does it combine the data?
 

pinoymamba

Member
Nov 26, 2023
52
34
USA
Just figured that it isn't possible for the Flow app to add my HR monitor data when it uploads to Strava. Looks like it's a common issue. What woukd happen in Strava if I used the Strava app at the same time as flow app? Do I get 2 uploads of the same ride within Strava? Or does it combine the data?
You’d get a double upload.
 

pinoymamba

Member
Nov 26, 2023
52
34
USA
This is quite frustrating considering the data is really useful from the flow app but HR is key to effort levels
Agreed. I have a $600 Garmin I can’t use when I’m on my e-MTB and I don’t feel like buying a Bosch approved HR monitor because I already have a Garmin one.
 

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