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  • Actually the apple watches HR monitoring is reported to be more accurate than most others on the market and is comparable to EKG level monitoring.

    http://www.digitaltrends.com/wearables/apple-watch-heart-rate-monitor-accuracy/

    Maybe you have tattoos?

  • The Apple Watch is the worst piece of tech for any semi decent level athlete out there. If you're a couch potato that it looking to get back into shape it might suffice for you. But If you run any faster than 5min/km (which isn't even very fast) it's about as accurate as a fortune teller at guessing your HR. I was running sub 4 mins/km the other day and it reported my HR at 45BPM, wildly inaccurate as it should have been about 4x that figure. It seems to do better on a bicycle when your arms aren't moving, but for the moment I've just bought a Wahoo Tickr to pair with the watch to get accurate readings as the optical sensor technology still has a long way to go in my opinion..... If you really want to train properly buy a Garmin, but luckily for the Apple watch it's pretty damn cool in a number of other areas otherwise I would have returned it straight away!

  • Apple watch disables heart rate monitoring once it detects movement. This was implemented during one of its updates some time back to save battery probably. To get it to accurately detect HR during exercise, you need to run the workout app on the watch. 

    I am still waiting for Strava to update it's app for the new Watch OS 2 to allow for a standalone experience and full integration with the HR monitor on the watch.

  • With iOS 2 hr monitoring is supported by Apple.
    Runtastic can use the data.

  • Yes its now supported on apple watch with the strava apple watch app.

  • The watch is actually very accurate. Battery life is its major issue. I've used it for short tempo runs & 50k races.

  • @Tony Dunnigan
    Agree but for cycling I managed to record a 135k ride recently with some breaks when I stop it and don't leave on auto-pause. For longer rides I carry the charger although I do have a HR strap and different watch for when I want to see my HR.

  • Strava app not able to sync with Apple Watch since the last update. But, before the update, it did take the HR from watch, only if you start and stop the ride with your watch. However, I found it was very inaccurate. If I rest, the HR is about 60s, seems correct, but for a ride, the HR shows my avg HR is 165, and I highest was at 185. It also shows that I was at 185 for more than 10 minutes. That doesn't seem right at all.

    Edit-just uninstalled and reinstalled both apps on both devices.  They can sync now, but I will not rely on the HR reading.

  • Heart rate works, last I understood however; only if you start the activity from the Strava Apple Watch App.
    Start the app on your phone, pick your route, check your sensors then start the activity from the watch.
    I used it for a couple weeks but it has been inaccurate. Some times not getting a reading until 5-10 minutes into a ride. It also doesn't seem to read often enough missing some sprints all together. I'm running WatchKit 2.0 Beta, and some of these issues may get worked when it's released but it's likely a hardware problem.
    For now I'd recommend going with a Low Power Bluetooth chest strap like the Wahoo Tickr. Not the Tickr "X" if you're a cyclist as the running cadence meter causes issues with bicycle cadence sensors.
    The other issue as Alan pointed out, I only get about 3-4 hours of battery life out of my Apple Watch when it is actively running the Strava App on it. I carry a battery pack on me to charge up my phone when at stops on longer rides, but the Apple Watch doesn't charge very quickly and I don't want to have to deal with it.
    The good news is that with WatchKit 2.0 beta, Strava sends my data into healthKit and the Apple Watch fitness app, so I get credit for the ride towards my move and exercise goals. It takes a few minutes to register, but it did register.

  • The battery drain issue on the Apple Watch is a showstopper for now. Strava should work on a smarter implementation that does not require the Strava app to be running on the watch, simply read the heartrate during the workout/ride that's already being logged.

    The Nike+ Run app does this, so should be possible for Strava too ;-)

  • The Strava app on the watch isn't so much the issue. The processor cycles are nothing compared to the power drain used heartrate sensors that kick into overdrive during a workout. The battery drain using Apple own workout app is about the same power drain. Apple only claims a 5 hour battery life if being used for entirely for exercise. So if you do much endurance exercise, the Watch isn't going to last regardless of what Strava does.

  • Hi Reuben. This is not accurate. The native workout app hardly uses any battery on the Apple Watch compare to the Strava app. I have tested this several times doing same rides with Strava vs native app.

    However since my last post I have been thinking it's not necessarily the heart rate monitor, just the fact that the app on Apple Watch depends on GPS data from the iPhone and drains a lot of battery getting data over BT. Perhaps this will improve with the Apple Watch series 2 and Strava optimized to utilize the built in GPS?

    By the way - the above issue with battery drain does not seem to be the case with e.g. Nike+ Run.

    However my main point was that it seems possible to collect heart rate data without the app running on Apple Watch if Strava takes advantage of it :-)

  • Either the Apple Watch app or the Strava app use the GPS from the phone and neither report live GPS. I don't think that'd be the case, but I suppose it's possible.

    Maybe now that WatchOS 3 is out they could bring Heart rate data from the watch, but you'd need to run the Apple watch Workout program simultaneously to get any sort of accuracy. Doesn't really sound like an option to me.

    All the data gets sync'd over to the Fitness app from Strava now. I don't see a benefit to using the Watch app unless they can fix the Heart-rate inaccuracies. I'll stick with a chest strap for now and skip the watch apps altogether. Battery is great then;)

  • wow there are a lot of very opinionated people talking out of there butt holes.
    The Iwatch reads heartrate for strava as long as you launch it from the watch (as another person said).
    It is also very accurate if you aren't a complete moron and tighten the watch down, just like you would expect when wearing any other workout monitor.
    People wear their iwatch nice and loose, like a traditional watch. Then they get bad data. Then they come on here and provide bad data.
    Iwatch 2 is simply one of the best workout aids available.

  • Maybe before throwing names around you could do a modicum of research. I only have experience with the Apple Watch 1st gen, but according to iFixit and early reviewers the sensor hardware didn't change at all. And if you think you're the first genius to try tightening the wrist strap you're the moron.

    Here, I'll get you started. At least read the cycling section here; http://www.dcrainmaker.com/2016/02/apple-watch-review.html

    The Apple Watch is a great daily fitness tracker, but it's sub-par for heart rate training or endurance rides over a few hours while cycling.

  • Came here looking for answers regarding the iWatch2 and Strava Updates. Apparently people have lots of opinions regarding what works and does not. Can Strava come out and answer the questions?

    Reuben the link is a solid review but when you get an iWatch2, you will realize the heart rate is pretty accurate ( better than a FitBit Surge and equal to Chest Strap).

  • I'm not bashing the Apple Watch, I love mine. (side note, it's Apple Watch, not iWatch) It's a great daily fitness tracker. Nor am I trying to push my opinion. I'm a computer engineer and love data and tech. Please everyone, get the Apple Watch for daily activity.
    However, and even Apple Admits this, it's not for serious athletes. And like most wrist based heart rate trackers, it uses optical sensors, which are subject to light and vibration inaccuracies. A chest strap is not, or at least, much less so. Not to mention you can pair a chest strap directly to your Apple Watch if you want to heart rate train without your iPhone.
    And again, if you're not doing heart rate training like I am (as I still haven't bit the bullet for a power meter), it doesn't matter all that much to begin with.
    Finally, just to keep this thread on topic; Yes, you can use your Apple Watch for Heart Rate Monitoring in Strava as long as you are running at least iOS 9 and WatchOS 3, and you must start your Strava activity from the Strava Apple Watch App. Be aware that many users, not all, have noticed heavy battery drain and heart rate drop outs during activities, and the screen is a bit difficult to use while cycling.

  • We have two ongoing discussions that may be more relevant at this time:

    For feedback about the current Strava app for the Apple Watch

    For questions regarding the Apple Watch 2 and the standalone GPS functionality

     

    I recommend heading over to either of those two discussions if interested.

    Since we do support the Apple Watch heart rate, I propose deprecating this article so as to avoid confusion.

  • Reuben does this mean that once you launch the strava activity via your watch it will display your heart rate on the phones screen as you cycle/run?

    Thanks

  • Yes. It does display on the iPhone screen as well. Having it on the Apple Watch is nice for running, but difficult for cyclist as you have to be able to lift and turn your wrist to wake the screen. Doesn't sound difficult, but when you're pushing in the red trying to keep an areo position it can be awkward as hell. Having your iPhone mounted to your steam is much easier to read.

  • Marked outdated - as we currently do support the Apple Watch heart rate.

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