Trusted by users worldwide

Make Sense of Every Blood Pressure Reading

High blood pressure doesn't warn you but your daily readings can. Cardilog spots early patterns and keeps your doctor in the loop, because proactive care saves lives.

9:41

Hello, Olivia 👋

Blood Pressure Trend

8-week trend

Cardilog Intelligence

How have my readings been this week?

I noticed your evening readings have been higher than your mornings this week. Things like sodium, hydration, and stress can influence BP. This might be worth mentioning at your next GP visit.

Can you summarise this for my doctor?

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Make sense of

your heart health.

Understand every reading.

Turn daily numbers into the bigger picture — free on iOS and Android.

Cardilog Intelligence

Morning 👋 Your blood pressure is a bit high today, how are you feeling?

I am feeling a bit tired, i had a long day

Your step count is low, you should go for a walk, it will help your mood and lower your blood pressure

Ok i will try, how many steps should i do?

Aim for at least 5k steps, and we can slowly increase it next coming days

ok thank you, can you link my bp to my activity levels?

Of course — I'll start linking your readings to your activity and show you how they move together 📈

Message your coach…

Daily check-ins

Spot trends

See your patterns

Cross-reference

Your health data

Doctor-ready

Reports in a tap

Coaching, built in.

Cardilog reads your health patterns, makes sense of your numbers, and chats with you like a coach, spotting your triggers and nudging the small habits that keep your numbers calm.

Heart health, made clear

Evidence-based guides to blood pressure and the everyday habits that move your numbers.

GLP-1 Medications and Blood Pressure: Which Ones Lower It Most

GLP-1 medications lower systolic blood pressure by roughly 2 to 5 mmHg, and tirzepatide lowers it most. Here is every GLP-1 compared on blood pressure, why the published numbers are not measured the same way, and what to watch for at home.

Best Blood Pressure Apps in 2026: Top Free & Paid Options Reviewed

Compare the best blood pressure apps in 2026. See which free and paid apps work, how to connect your cuff, and how to choose safely.

Normal Blood Pressure by Age & Gender Chart (18 to 80+)

What is normal blood pressure by age? See the full chart by decade and gender, how US, UK, Canadian and Australian guidelines compare, and tips for home tracking.

RingConn Blood Pressure: The First Smart Ring to Track BP (Gen 3, 2026)

RingConn is bringing blood pressure insights to a smart ring. From the IFA 2025 demo to the Gen 3, unveiled at CES 2026 and launched in May 2026, here is everything we know about how it works and what it means for everyday monitoring.

Oura Ring Blood Pressure: What Ring 5 and BP Signals Show

No Oura Ring gives you a blood pressure reading in mmHg, and that includes the Ring 5. Oura's Blood Pressure Signals feature, announced in late May 2026, looks at your nighttime pulse data over 30-day periods and flags changes worth checking with a cuff. Here is what it shows, who can use it, and how Oura compares with RingConn and Apple Watch.

Blood Pressure After Exercise: Normal Post-Workout Ranges & Recovery

Blood pressure rises during exercise and drops afterward. Learn what readings to expect post-workout, how long recovery takes, and when an exercise blood pressure response signals a problem.

Apple Watch Blood Pressure: Complete Guide to Monitoring, Apps & Hypertension Alerts

Can Apple Watch measure blood pressure? Everything you need to know about Apple Watch blood pressure monitoring, hypertension detection, compatible apps, and the best wireless BP monitors for 2026.

Creatine and Blood Pressure: Does Creatine Raise Blood Pressure?

Does creatine raise blood pressure? Research shows most people experience no significant BP changes. Learn about creatine safety, water retention effects, who should be cautious, and safe usage guidelines for people with hypertension.

White Coat Hypertension: Best Medicine, Causes and How to Beat It

Most people with white coat hypertension don't need medicine. Doctors check home or 24-hour readings first, and if medicine is needed, they usually start a first-line drug such as an ACE inhibitor, an ARB or amlodipine.

Does Apple Cider Vinegar Lower Blood Pressure? What the Evidence Says

Apple cider vinegar may lower blood pressure a little. In a 2022 review of trials, each 30 ml a day (about 2 tablespoons) lowered systolic pressure, the top number, by about 3 mmHg, and a 2026 review of earlier reviews found a similar drop. That is a smaller effect than the DASH diet has in people with high blood pressure. If you take a water pill, digoxin or diabetes medicine, talk to your doctor before you start, because very large amounts of vinegar have been linked to low potassium, and vinegar can lower blood sugar after meals.

Blood Pressure and Headaches: When to Worry and What to Do

Can high blood pressure cause headaches? Learn how to tell the difference between a regular headache and a hypertension headache, what BP levels trigger head pain, and when to get emergency help.

Grapefruit and Blood Pressure Medication: What You Need to Know

Grapefruit interacts with certain blood pressure medications by blocking liver enzymes. Learn which medications are affected, which are safe, how much grapefruit causes problems, and what other citrus fruits to avoid.

Supplements to Lower Blood Pressure: What the Evidence Actually Shows

Dozens of supplements claim to lower blood pressure, but only a handful have real clinical evidence behind them. This guide covers what works, what the research shows, dosages studied, and what to avoid.

Beef Liver Supplements: Benefits, Risks, and the Heart Health Connection

Beef liver supplements are trending as nature's multivitamin. Learn what they contain, the evidence for heart health and blood pressure benefits, and how to choose quality products.

Features

Everything you need for heart health

Comprehensive tools to monitor, analyze, and share your cardiovascular health data with precision and ease.

Blood Pressure Logging

Log systolic, diastolic, and pulse with precise timestamps. Track morning and evening measurements.

Cardilog

Cardilog

Cardilog

How It Works

Start tracking in minutes

Getting started with Cardilog is simple. Follow these steps to take control of your heart health.

Download & Setup

Get Cardilog from the App Store. Quick setup takes under a minute.

Log Your Readings

Record blood pressure and heart rate manually or sync from Apple Health.

Track & Analyze

View trends with beautiful charts. Understand your patterns.

Share with Doctors

Generate PDF reports and share instantly with your healthcare provider.

Insights Preview

Understanding Your Data

How are my readings this week?

Here's your weekly snapshot 📊

Your average BP this week is 118/78, a 5% improvement from last week. Here's your weekly summary to share with your doctor.

Weekly Average

118/78↓ 5%

Testimonials

Crafted with Care. Loved Everywhere.

Don't take our word for it. See why Cardilog is trusted by people who want to feel better and live healthier.

"Cardilog helped me notice patterns I never saw before. I brought my weekly reports to my GP and we had the most productive conversation about my blood pressure in years."

Sarah M.

Living with Hypertension

"As a cardiologist, I recommend Cardilog to all my patients. The PDF reports are detailed and professionally formatted."

DJC

Dr. James Chen

Cardiologist

"The Apple Watch integration is seamless. I love that my heart rate data syncs automatically. Beautiful app!"

Michael R.

Fitness Enthusiast

"I manage health tracking for my elderly parents remotely. Cardilog's cloud sync makes it simple to stay informed."

Emily T.

Family Caregiver

"After my heart surgery, my doctors wanted detailed logs. Cardilog's tagging system is incredibly thorough."

Robert K.

Post-Surgery Patient

"Beautiful design, intuitive interface, and powerful features. The reminders keep me consistent with tracking."

Lisa P.

App Enthusiast

"Cardilog helped me notice patterns I never saw before. I brought my weekly reports to my GP and we had the most productive conversation about my blood pressure in years."

Sarah M.

Living with Hypertension

"As a cardiologist, I recommend Cardilog to all my patients. The PDF reports are detailed and professionally formatted."

DJC

Dr. James Chen

Cardiologist

"The Apple Watch integration is seamless. I love that my heart rate data syncs automatically. Beautiful app!"

Michael R.

Fitness Enthusiast

"I manage health tracking for my elderly parents remotely. Cardilog's cloud sync makes it simple to stay informed."

Emily T.

Family Caregiver

"After my heart surgery, my doctors wanted detailed logs. Cardilog's tagging system is incredibly thorough."

Robert K.

Post-Surgery Patient

"Beautiful design, intuitive interface, and powerful features. The reminders keep me consistent with tracking."

Lisa P.

App Enthusiast

"Beautiful design, intuitive interface, and powerful features. The reminders keep me consistent with tracking."

Lisa P.

App Enthusiast

"After my heart surgery, my doctors wanted detailed logs. Cardilog's tagging system is incredibly thorough."

Robert K.

Post-Surgery Patient

"I manage health tracking for my elderly parents remotely. Cardilog's cloud sync makes it simple to stay informed."

Emily T.

Family Caregiver

"The Apple Watch integration is seamless. I love that my heart rate data syncs automatically. Beautiful app!"

Michael R.

Fitness Enthusiast

"As a cardiologist, I recommend Cardilog to all my patients. The PDF reports are detailed and professionally formatted."

DJC

Dr. James Chen

Cardiologist

"Cardilog helped me notice patterns I never saw before. I brought my weekly reports to my GP and we had the most productive conversation about my blood pressure in years."

Sarah M.

Living with Hypertension

"Beautiful design, intuitive interface, and powerful features. The reminders keep me consistent with tracking."

Lisa P.

App Enthusiast

"After my heart surgery, my doctors wanted detailed logs. Cardilog's tagging system is incredibly thorough."

Robert K.

Post-Surgery Patient

"I manage health tracking for my elderly parents remotely. Cardilog's cloud sync makes it simple to stay informed."

Emily T.

Family Caregiver

"The Apple Watch integration is seamless. I love that my heart rate data syncs automatically. Beautiful app!"

Michael R.

Fitness Enthusiast

"As a cardiologist, I recommend Cardilog to all my patients. The PDF reports are detailed and professionally formatted."

DJC

Dr. James Chen

Cardiologist

"Cardilog helped me notice patterns I never saw before. I brought my weekly reports to my GP and we had the most productive conversation about my blood pressure in years."

Sarah M.

Living with Hypertension

Frequently Asked Questions

Is Cardilog free to use?

Yes, Cardilog offers a free version for manual logging of blood pressure and heart rate readings. You can track your health metrics, view trends, and generate basic reports at no cost. Premium features may be available for advanced analytics and additional insights.

Is my health data private?

We use end-to-end encryption and enterprise-grade security to ensure your sensitive health information remains secure and private. Your data is yours, and we never share it with third parties without your explicit consent.

Does it sync with Apple Health?

Yes, Cardilog offers full Apple HealthKit synchronization. You can automatically import heart rate data from your Apple Watch and other compatible devices, and export your blood pressure readings to Apple Health. This seamless integration ensures all your health data is in one place.

What devices are supported?

Cardilog is available for iPhone and iPad and Android devices. The app also includes a watchOS app for Apple Watch, allowing you to log readings directly from your wrist. All your data syncs seamlessly across your Apple devices using iCloud.

Can I share my data with my doctor?

Yes, Cardilog makes it easy to share your health data with healthcare providers. You can generate professional PDF reports that include your blood pressure and heart rate trends, statistics, and notes. These reports are formatted specifically for medical professionals and can be shared via email, messages, or saved to your files.

How accurate are the readings?

Cardilog is designed to help you track and log your health measurements. The accuracy of readings depends on the device you use to measure your blood pressure. Cardilog provides tools to help you record measurements consistently and identify patterns in your health data over time.

Do I need an internet connection to use Cardilog?

No, Cardilog works offline. You can log readings, view your history, and generate reports without an internet connection. Your data syncs to iCloud when you're connected, ensuring your information is backed up and accessible across all your devices.

Can I track multiple people's health data?

Cardilog is designed for individual use. Each installation tracks one person's health data. If you need to track multiple family members, you would need to install the app separately on different devices or use separate accounts.

Still comparing your options? Read our guide to choosing a blood pressure app.

New from Cardilog

Iaso monitors your blood pressure with a face scan

A 30-second scan with your phone's front camera gives you four readings: blood pressure, heart rate, heart-rate variability and breathing rate. Iaso is coming soon.

Join the Iaso waitlist

Proactive Care, Made Simple

One reading at a time. Cardilog helps you understand your numbers, spot what works, and show your doctor real progress.

Free to download. No credit card required.