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 02:43 PM

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63 replies

May 20, 2025 06:50 AM in response to DanielSPeralta

DanielSPeralta wrote:

Some guidance on this would be greatly appreciated on how to do this.

Sign up for a free trial of any VPN provider such as PIA (private Internet access) download the app on your phone, choose France as your VPN source hit connect open the Qardio app and try to login if it does not work create a new account that is what worked for me last night.

May 20, 2025 01:57 PM in response to Geoffrey Radbill

Geoffrey Radbill wrote:

Did exactly as you suggest. Changed my hotspot vpn to the UK. Received the same responses as in the past which would suggest that Qardio's servers are down.

Did you make sure that the Qardio app was closed then logged onto the VPN? The first time I did at the app was not closed. I closed it re-launched it. It would not let me login with my account I had created previously, but I was able to create a new one with no problem. I am now able to login.

May 24, 2025 09:16 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 7, 2025 11:11 AM in response to skip101

Okay, that one puzzles me totally. lol


Does the iPhone 8 version even log into their servers? Maybe the old versions were standalone? I don't even know how you could tell if it's trying to log in to their servers. I suppose you could turn off wifi and cellular and just connect via bluetooth to the device and see if it works?


If so the iPhone 8 ver doesn't need the servers at Quardio.

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 7, 2025 05:37 PM in response to skip101

I guess I'm wondering if earlier versions of the app didn't maintain a history of the readings and therefore had no need to reach out to the servers. Perhaps history was added later. I'm sorry some of you can no longer see your history. It's very helpful to see over months and years of monitoring blood pressure, how you've progressed. I'm charging my old iPhone 6 now to test out the app so I can see what you're seeing.

Jul 14, 2025 04:10 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.


Jul 27, 2025 04:52 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.

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

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