How to fix Qardio Heart Health app connection issues on iPhone?

My Internet connection is working but the Quardio sevice cannot be reached.



[Re-Titled by Moderator]

iPhone 16 Pro Max, iOS 18

Posted on Mar 18, 2025 2:43 PM

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Posted on Jul 14, 2025 4:10 AM

Never heard back from MedM Health. Was able to pair apple watch 9 with qardio bp cuff and IT WORKED. However, as Qardio website is inoperative, I was unable to save readings to Apple Health. For edification, I already had the Qardio App on my iPhone 13 and Apple Watch. Here are the steps followed:


  • Took batteries out of Qardio Cuff and reinstalled them; opened the cuff and confirmed that pairing light came on.
  • Opened Qardio App on Watch.
  • Placed cuff on arm. Followed steps and a green "Start" button appeared on watch.
  • Clicked "Start" and Qardio Cuff inflated and took/showed the reading. Note that I took several readings and all appeared accurate.


As I recall, I was then asked if I wanted to save the reading with Qardio or Apple Health. I went through the steps and eventually received an error message as the Qardio website is inactive. Was able to take additional readings by clicking the back arrow, which took me back to the "Start" button. Thrilled that the Qardio Cuff is no longer a paper weight. Very disappointed with Qardio for so abruptly dropping their customers without workaround instructions.


Good luck - I hope that this is helpful.


76 replies
Question marked as Top-ranking reply

Jul 14, 2025 4:10 AM in response to Geoffrey Radbill

Never heard back from MedM Health. Was able to pair apple watch 9 with qardio bp cuff and IT WORKED. However, as Qardio website is inoperative, I was unable to save readings to Apple Health. For edification, I already had the Qardio App on my iPhone 13 and Apple Watch. Here are the steps followed:


  • Took batteries out of Qardio Cuff and reinstalled them; opened the cuff and confirmed that pairing light came on.
  • Opened Qardio App on Watch.
  • Placed cuff on arm. Followed steps and a green "Start" button appeared on watch.
  • Clicked "Start" and Qardio Cuff inflated and took/showed the reading. Note that I took several readings and all appeared accurate.


As I recall, I was then asked if I wanted to save the reading with Qardio or Apple Health. I went through the steps and eventually received an error message as the Qardio website is inactive. Was able to take additional readings by clicking the back arrow, which took me back to the "Start" button. Thrilled that the Qardio Cuff is no longer a paper weight. Very disappointed with Qardio for so abruptly dropping their customers without workaround instructions.


Good luck - I hope that this is helpful.


Sep 26, 2025 10:54 PM in response to Motick01

I had the same problem, so I figured out how to connect to the QardioArm and then build a free app so that I could continue to use it. All the app does is inflate the cuff (once), take the measurement and then (optionally) drop it into Apple Health.


I’ve made the app source code available open source and also got it through the Apple App Review so that it’s available to anyone in UK or USA.


Feedback always welcome, but I don’t want anyone to suffer with a useless bit of tech.


https://apps.apple.com/gb/app/librearm/id6752661389

Sep 26, 2025 10:56 PM in response to Mac Jim ID

I had the same problem, so I figured out how to connect to the QardioArm and then build a free app so that I could continue to use it. All the app does is inflate the cuff (once), take the measurement and then (optionally) drop it into Apple Health.


I’ve made the app source code available open source and also got it through the Apple App Review so that it’s available to anyone in UK or USA.


Feedback always welcome, but I don’t want anyone to suffer with a useless bit of tech.


https://apps.apple.com/gb/app/librearm/id6752661389

Sep 26, 2025 10:53 PM in response to RenoAcesGuy

I had the same problem, so I figured out how to connect to the QardioArm and then build a free app so that I could continue to use it. All the app does is inflate the cuff (once), take the measurement and then (optionally) drop it into Apple Health.


I’ve made the app source code available open source and also got it through the Apple App Review so that it’s available to anyone in UK or USA.


Feedback always welcome, but I don’t want anyone to suffer with a useless bit of tech.


https://apps.apple.com/gb/app/librearm/id6752661389

May 24, 2025 9:16 AM in response to Icklewickle

Icklewickle wrote:

I have qardio arm and it keeps saying check internet connection? How can I rectify internet and Bluetooth working but still says same message …, can anyone help me

It is saying that because the Qardio servers are down. There is nothing wrong with your device connecting to the internet. The problem is with the Qardio company for the reasons already discussed here.

Jun 14, 2025 12:21 PM in response to tscats

tscats wrote:

Tried the VPN approach to no avail, but thanks for the suggestion. App worked fine until I purchased a new iPhone. Is there a possibility someone for money or the fun of it could hack the app and bypass the login step? I hate to loose access to the Blood Pressure device.

Nope. The website has been hit and miss for all users and mostly it is a miss. As stated this is due to the status of the Qardio company that is in jeopardy and getting support from them is now not even likely. That is not a good sign. If they are not maintaining customer support it is not likely they are maintaining server access required for the app to work.

Jul 27, 2025 4:52 PM in response to RenoAcesGuy

It works! If you have an Apple Watch.


I removed the app from my iPhone Bluetooth connections. Deleted the app from my iPhone. Redownloaded the app. Nothing has changed as discussed by many. It’s dead.


But the app also downloaded to my Apple Watch. I opened the app on my watch, followed the easy process to connect the watch to the Qardio BP unit. It works! Got the readings and will have to manually add these to the Apple Health app.


I was five minutes from throwing it in the recycle box for the 10th time.

Sep 28, 2025 8:20 AM in response to tscats

Yup, thanks for pointing this out. Seems like I'd created a condition where if the cuff finishes prematurely (e.g., without both systolic and diastolic readings) if can push them to Apple Health. I've fixed this bug and pushed an update the App Store (v1.1.1). It's currently in "App Review", but within a day or two, there should be an update available for you. Apologies.

Jul 6, 2025 3:05 AM in response to Devonbob

A couple of months ago I tried to contact support using that email address (support@qardio.com) and got no reply at all. Now I get the bounced back reply just as you did Devonbob. After your note I tried another of their addresses (doctors@qardiomd.com). It's not sending any responses - yet. I suspect it'll soon start bouncing emails back just as the support email address did earlier. I think they're continuing to decommision servers or at least DNS names.

How to fix Qardio Heart Health app connection issues on iPhone?

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