I’ve noticed some HR inconsistencies with the MG. I was hammering an assault bike workout trying to push into zone 4 and 5, yet could only muster zone 2-3? No way. Following, I was on a simple walk with my kids and my HR was 130-150!! Lol I felt my pulse and it was like 72. I gave the sensor a good wipe, and it was reading accurately. I am going to really focus on keeping the sensor clean everyday.
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Been on whoop 4 since the above post 10 days. All reading are back to 5% difference versus garmin or apple watch. Whoop 5 was off by 30-45% during workout or longer walks. The whoop 4 can take 90 mins lifting session without wiping the sensor once. The whoop 5 was reading 90bpm when I was doing 140is on both the garmin and apple watch. Whoop 4 is just better. I dont think I will be renewing my subscription at the end of this year. Unfortunately everything that was bringing value to the yearly subscription (getting free hardware upgrades, accurate readings, the possibility of getting future better bands, with better sensors) has gone out the window. I absolutely hate the new ui, i hate that I cant see my steps and calories burned on the main overview since the changed the software. Now I am forced to deal with recovery, strain and sleep that were options I could have added or changed in the previous ui. their support is horrendous, all I got as “support” was if the band was placed correctly… Even though they had 7 months of data with whoop4 that dropped on all metric by 30% the moment I started wearing the 5.0…
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Been using Whoop 5.0 for month now and I’ve also have noticed that HR compared both with polar h10 / apple watch (have been using all of them while training to compare) is surprisingly off…
Apple watch was really good and close to polar h10, but the whoop 5.0 was basically fluctuating incorrectly all the time.
That is so disappointing considering the fact it costs 250 euros per year… And also hard to understand that such a big company as a whoop is flopping in such a simple area as HR in sports. Haven’t they done testing for this device before selling it to the customers?
I’m hoping for some action from Whoop’s side to fix this issue. When things like this happen, you start questioning how much you can trust the data.
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UPDATE:
I’ve started wearing my WHOOP much higher on my wrist, and from time to time, I carefully wipe the sensor. It looks like the accuracy has really improved — it’s now much closer to the Polar H10’s heart rate readings, sometimes even identical. I’m still in the process of comparing the WHOOP 5.0 to the Polar H10, as the accuracy varies depending on the type of sport you’re doing.
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I’m also have difficulty with my whoop 5.0 picking up activities and accurately displaying my heart rate where I never had that issue with the 4.0. I wear it on the same spot but have no consistent readings when I’m walking for golf on my heart rate and it doesn’t pick up the golfing activity like my 4.0 automatically did
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Thanks for the update! Where exactly are you wearing the band now? What exercises are more accurate to the polar h10? I typically weight lift, run, hike, and walk.
My 5.0 results are way off from the 4.0. I’ve contacted whoop multiple times and they just say I’m wearing it wrong or I should get a bicep band. Very, very frustrating. I even got a replacement device and having the same problems. I had a light golf lesson for an hour and it said I burned 500 calories…which is nuts since I played a 4.5hr round of golf a couple days earlier and only burned 350 calories. I did a HIIT class and walked a couple miles the day after my lesson and didn’t even burn 300 calories. Numbers are all over the place and my sleep results are also very up and down. It also doesn’t pick up activities as well as 4.0. I tend to have to add them manually vs auto-detect.
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