Qardio makes it easy to manage your heart health. Record and store your vitals, and have the power to make more informed health choices. Track blood pressure, irregular heartbeat, body composition (body fat %, muscle %, bone %, water %), BMI, weight and heart rate.

The Qardio app works exclusively with our award-winning devices: The QardioArm smart blood pressure monitor and the QardioBase 2 smart body composition scale. Get your Qardio device at or Amazon.

The Qardio App is full of features that make health monitoring easy and effective.

Qardio devices are clinically validated, generating accurate blood pressure, weight management and heart health data with medical precision.

Easy to set up and pair with any Qardio device. Take a measurement with the touch of a button.
There is no need for pen and paper, as all your measurements are conveniently stored on your phone or smart device and accessible whenever you need it.

You can track your progress with smart charts, stats and trends, set up goals and reminders and find out how your lifestyle impacts your health.

Share your numbers with your doctor between visits so they can give you more personalized care and identify changes earlier. Give peace of mind to family and friends by sharing data, and notifying them when a measurement has been taken.

Qardio and Apple Health work seamlessly together, enabling easier health tracking with all your health and wellness information in one place.

**Featured in Forbes, The New York Times, The Huffington Post, GQ, Vogue, NBC, The Financial Times, WIRED, Wall Street Journal, BBC, PC Magazine, Vanity Fair and many more.**

Qardio is for anyone who wants to take control of their heart health, improve fitness and achieve their health goals. It is also for people with a heart condition or chronic condition, which needs to be monitored or improved, and for those recommended by their doctor to track their blood pressure and manage their heart health.

Compatible with iOS version 10 and higher, Apple Watch and Siri.

Privacy is at the core of our business. Data is stored and protected with the most advanced systems and technologies. Qardio App has voice-over functionality for the visually impaired.

QardioArm has regulatory clearance in the United States, the European Economic Area, Australia and Canada.
QardioBase 2 has regulatory clearance in the United States, the European Economic Area and Canada.

Qardio’s products and application should be only used in conjunction with professional medical advice, diagnosis, or treatment, and not as a substitute, or a replacement for it.

What’s New

Version 1.90

This version of the Qardio App includes general bug fixes and stability improvements.

The Qardio App works with QardioArm to track your blood pressure and QardioBase to track your weight and body composition data in a way that makes health monitoring effortless and actionable.

When used with the Apple Watch, the Qardio App provides a natural way to initiate a blood pressure reading with arms resting on a table, and without the potential distraction of a phone or tablet screen - the standard way to get a stress-free and accurate reading.

*** Qardio App used in combination with QardioArm and QardioBase tracks all your heart health in one place. Sync your data automatically with Apple Health.***

*** Qardio App works with Apple Health and Apple Watch. We hope you enjoy this update! If you do, please leave a review on the App Store. ***

Ratings and Reviews

4.7 out of 5
17.2K Ratings

17.2K Ratings

Jamelyn ,


The Qardio Arm smart blood pressure monitor is a God send! It’s quick and easy to take my Mom’s blood pressure daily, or several times a day when needed. The fact that it keeps track of her pressures over time is so valuable - I show her Doctors and better, consistent information on the fluctuations in her blood pressure has helped them to finally adjust her meds so that her pressure is stable. I work, and in the middle of a busy schedule, the Quardio is a very important component in my Mom’s daily health regimen.

Note that the reading is generally a few points higher than a contemporaneous reading taken with an old fashioned cuff. The Qardio is “internally” consistent though, so I trust it, and I factor all that in when Mom’s pressure is at the extreme. I have never been good with the manual cuff and always take her pressure at least twice manually because I don’t trust that I’ve gotten an accurate. Because that is more time consuming and thus stressful to both my mother and I we greatly prefer Qardio.

Justin Kent ,

Broken and corrupting data

I’m not sure if it’s the iOS 13 update or what, but I’m ready to throw this thing in the trash. First of all, throughout the last 18 months of owning Qardiobase 2, it has been nominally reliable, with spats of problems. All of a sudden, the scale will be off by 10+ lbs, consistently the same amount, and then a reboot of the scale will fix it. This is annoying and undermines trust of the product and brand, but I’ve dealt with it by going into the app and deleting those data points. Today, it started giving me wild results, but when I went into the app to delete the data, that no longer works. So I tap delete, but the data point remains. I had to go into Health app to delete multiple data types, and still the scale is registering me as a different member of the household, with no way to correct it. I do not feel this product is stable enough to be used as a tool for health and fitness. I regret the purchase and I’m ready to move on.

Update: I have done a system reset of the scale and it appears to be working again. I’m still frustrated, but at least my problem has been resolved for the time being. I feel the app does many extraneous things that I don’t use, and would prefer the development team spend their time focusing on stability of the core features like weighing and storing the results. The UX of the app is pretty wonky, it does not feel at all like a native app.

Developer Response ,

Hi there! We’re sorry to hear about your experience with QardioBase. If you haven’t already done so, please reach out to our support team at so we can have someone learning more about the issues you ran into and offer a solution.


App Routinely Crashes

I’ve been a regular user of QardioArm A100 blood pressure monitor for about 1 year. The first 9 months or so months it seemed like the ideal monitor. I even bragged about it to my medical provider. I had the setting set up for 3 consecutive measurements with the photo display running during the measurement process. Shortly after switching to a new iPhoneX the app began routinely crashed midway during the process. Frequently during the first 1 of 3 measurements. I then changed my setting from 3 to 1 reading and also turned off the photo feature. It helped but did correct the problem. The app still frequently crashes and closes. I am working hard to manage my BP and now am having to rely on a single measurement, this is a concern, especially because the QuardioArm’s instructions clearly state that a user needs multiple measurements for a more accurate reading. Additionally, I have corresponded with their customer service through email, they were responsive, acknowledging my concerns but in the end offered no solution. As time passes I keep hoping I’ll see an app update in the iTunes Store but thus far I have seen nothing. In fact I find no history that they ever do any corrective updates. It’s disappointing that what had started out as an excellent price/value tool and resource is now no more than just another outdated technology purchase flopping around in my junk drawer like my old flip phone.

Developer Response ,


It sounds like there may have been an issue with the installation of the Qardio App on your iPhone X. Our Support team would recommend that you simply uninstall and reinstall the Qardio App to resolve the issue you are experiencing. Kindly give this tip a try and feel free to reach out to if you continue to experience an issue.

App Privacy

The developer, Qardio, Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer's privacy policy.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Identifiers

Data Linked to You

The following data may be collected and linked to your identity:

  • Contact Info
  • Identifiers
  • Usage Data

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More


Qardio, Inc.
198.5 MB

Requires iOS 10.0 and watchOS 6.0 or later. Compatible with iPhone, iPad, and iPod touch.


English, Arabic, Danish, Dutch, Finnish, French, German, Italian, Norwegian Bokmål, Portuguese, Russian, Simplified Chinese, Spanish, Swedish, Traditional Chinese

Age Rating


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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