Contact Zx: Heart Rate Zones Training

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Company Name:

About: Zx is your personal heart rate coach designed to guide you through your interval
training. Create your own interval workouts or download workouts created by the
community.


 
  2026-01-10

Zx Customer Service 💢

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NOTE: If the links below doesn't work for you, Please go directly to the Homepage of OverSphere LLC





Privacy & Terms:

https://www.oversphere.net/terms-of-use/



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3 Most reported problems 😔💔

4.3 out of 5

Rip off

2024-11-26

by BlondieTess

I was looking for something to exactly what this app should do, if it worked! But the studio (self-created) workouts don’t work! They don’t sync with your phone and when you open it on your watch it just spins.. waiting for you to start the workout (that does not appear) on your watch. Biggest waste of $15. I tried to contact support but my email was bounced back and the link from the App Store leads to a page that says coming soon. I’m going to try to request a refund because this is so pointless. A shame because I would have gladly paid the $15 for something that worked as expected.

Eh

2024-11-27

by Biltzzz

I got this app thinking it would give me realtime workout info on what zone I am in and for how many minutes. It’s just like all the other apps. you can only see what zone you are in at that exact moment. It’s not realtime info (the kind you can use to guide your workout

Custom and community workouts not showing on my watch

2024-11-28

by S.sivabalan

I’m not able to use the custom and community workouts after paying for this app because they don’t show up on my watch. 😕




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