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Scosche Rhythm 24

Former Member
Former Member
Hello, anyone out there had the opportunity to use the new Scosche Rhythm 24? It's so new probably not. Anyway I received mine yesterday 6/2/18 and although today Sunday is a scheduled rest day for me I decided I'd give a try while using my treadmill. I wasn't able to get it to connect to my FR 645 or Fenix 5s with Ant+ but Bluetooth works flawlessly but that does me no good because I use another device (Apple Watch 3) with Bluetooth. My Rhythm+ works fine with all 3 devices and connecting/pairing the Rhythm 24 to a device is not that difficult but I could be missing something. Anyway just wondering if anyone else has had any experience with this new device. Thanks
  • Former Member
    0 Former Member over 6 years ago
    I am a fresh Rhythm 24 owner and android (Samsung Galaxy S8) user. I have upgraded firmware of R 24 with my friend’s iphone and I have following questions:
    1/ Is it currently possible to use R24 only online with my garmin watch (Fenix Chronos) or with some app at my Galaxy or is there any chance to use R24 independently and upload data somewhere later? If there is a upload possibility, how can I do it?
    2/ I tried to use R24 in HRV mode connected to my garmin watch (stress test) or Galaxy (HRV Elite app). However, I had no results, because both watch and phone did not recognise R24 as HRV. What can I do to get HRV data from my R24?
    3/ What is the difference between modes at R24? Is there any difference if I use, e.g. running mode, triatlon mode or HR only in running?
    Thank you
    Jiri
  • For #1, the Scosche app does upload fit days files I think but otherwise pretty limited. Probably you found this already.

    For #2, apparently there is a de facto standard for sending hrv data from a hrm, and Garmin does not read it at least on my FR645M. I spent a while working this out and ended up turning off that feature on the watch and instead use hrv4training. I've been generally positive about my first Garmin watch, but this aspect has been a total fail as it has pushed me and my money outside of their ecosystem.

    I do really recommend hrv4training - the developer is a scientist and packs a lot of info into insights once you've logged month+ of data and he rates the r24 highly, but it likes/ needs Strava / training peaks / whatever for workout info.

    For #3 clearly the hrv mode sends the additional time between beats info and probably does less/no smoothing of beat data. For running it would smooth the beat data and might turn on the cadence sensor, though I've think I seen that when left on hrv mode when I start an activity. My watch switches the r24 to running mode automatically when I start the running activity, so remember that for your testing and I manually switch it back to hrv mode after winning. I haven't investigated the other modes.
  • Former Member
    0 Former Member over 6 years ago
    For #1, the Scosche app does upload fit days files I think but otherwise pretty limited. Probably you found this already.

    For #2, apparently there is a de facto standard for sending hrv data from a hrm, and Garmin does not read it at least on my FR645M. I spent a while working this out and ended up turning off that feature on the watch and instead use hrv4training. I've been generally positive about my first Garmin watch, but this aspect has been a total fail as it has pushed me and my money outside of their ecosystem.

    I do really recommend hrv4training - the developer is a scientist and packs a lot of info into insights once you've logged month+ of data and he rates the r24 highly, but it likes/ needs Strava / training peaks / whatever for workout info.

    For #3 clearly the hrv mode sends the additional time between beats info and probably does less/no smoothing of beat data. For running it would smooth the beat data and might turn on the cadence sensor, though I've think I seen that when left on hrv mode when I start an activity. My watch switches the r24 to running mode automatically when I start the running activity, so remember that for your testing and I manually switch it back to hrv mode after winning. I haven't investigated the other modes.


    Thank you, robm!
    1/Do you have iPhone or Android? I can not see any possibility to sync or upload in Android app. Am I missing something?
    2/I played a little bit with HRV apps and I found out that R24 is really mot compatible as Hrv monitor with Garmin and HRV elite, but fortunately is working together with a lot of other apps ????... So I have to choose one...
    Jiri
  • Former Member
    0 Former Member over 6 years ago
    ..... A lot of other apps.... (there should not be any question marks ????)
  • Ah yes, sorry forgot to mention - I am on iOS (iPhone), I know that the Android app lags in functionality.
  • Hello,

    I had problems with rhythm24 and garmin 920XT. Error on training effect (allways at 0), calories computation(10 times lower) and recovery time( allways at 0).
    All those problems were solved by updating from 2.0 to 3.03 firmware version.
    Christophe from France.
  • I'm replying to all of these old threads because I think I found a workaround to overlay HR data from Rhythm24 onto a Garmin .fit file. There may be other ways to do it, but the one I'm using is with an app called "Fit File Repair Tool", at the link below. It's really pretty simple. Note that it is $50 for a license, but I've used it for a lot of different data editing things, so it's been worth the investment for me.

    You first import the primary activity file, then import the Rhythm24 file using the "Merge Mode". After a couple quick box checks, export as a .fit file and import into Garmin Connect (or whatever other data manager you choose). 

    www.fitfilerepairtool.info/