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Built a heart monitor that works without wearables, camera, or app — just a smartphone on your chest. Powered by real ML, used in 500K+ sessions.
? What’s Inside:
I'm Michal, the founder of HeartScan, a heart-monitoring tool that uses just a smartphone’s built-in accelerometer—no camera, no wearables, no special sensors required.
? Why I Built This
A few years ago, after a stressful business dispute and forced relocation from Minsk to Warsaw, I started experiencing worrying chest pains. Doctors couldn’t provide clear answers, and typical diagnostics were inconclusive.
Frustrated and worried, I used my background in radiophysics and MATLAB to analyze my heart vibrations with my phone’s accelerometer. Shockingly, I discovered extra heartbeats (PVCs) and visualized my heart's valve movements—revealing insights standard methods missed. That moment sparked HeartScan.
Fast-forward: We've now recorded over 500,000 sessions and labeled 7700 hours of real-world heart data, achieving 97%+ accuracy benchmarked against ECG devices.
? What We Offer
We’ve packaged this powerful technology into a simple, lightweight API so you can integrate real heart rate checks directly into your web app or site:
1000 free measurements/month for any site or app.
? How It Works
Your users simply place their phone on their chest, and in about 10 seconds our API returns their precise heart rate data.
API Response Example:
{
"bpm": 72,
"confidence": 0.93
}
? Live Demo (No Login Required)
Already Proven
Free API Key (1,000 scans/month)
Request your key → or DM
—
I'm happy to support integration, answer technical questions, or brainstorm use cases. DM me if you're working on health, wellness, or embedded signal ML — always happy to connect.
Michal Barodkin
Founder, HeartScan
? What’s Inside:
- ? Why I Built This
- ? What We Offer
- ? How It Works
- ? Ideal Use Cases
- Free API Key
I'm Michal, the founder of HeartScan, a heart-monitoring tool that uses just a smartphone’s built-in accelerometer—no camera, no wearables, no special sensors required.
? Why I Built This
A few years ago, after a stressful business dispute and forced relocation from Minsk to Warsaw, I started experiencing worrying chest pains. Doctors couldn’t provide clear answers, and typical diagnostics were inconclusive.
Frustrated and worried, I used my background in radiophysics and MATLAB to analyze my heart vibrations with my phone’s accelerometer. Shockingly, I discovered extra heartbeats (PVCs) and visualized my heart's valve movements—revealing insights standard methods missed. That moment sparked HeartScan.
Fast-forward: We've now recorded over 500,000 sessions and labeled 7700 hours of real-world heart data, achieving 97%+ accuracy benchmarked against ECG devices.
? What We Offer
We’ve packaged this powerful technology into a simple, lightweight API so you can integrate real heart rate checks directly into your web app or site:
- Zero hardware costs: Uses existing smartphone accelerometers.
- Simple setup: Just a few lines of code.
- High accuracy: ML-powered cardiac phase detection.
1000 free measurements/month for any site or app.
? How It Works
Your users simply place their phone on their chest, and in about 10 seconds our API returns their precise heart rate data.
API Response Example:
{
"bpm": 72,
"confidence": 0.93
}
? Live Demo (No Login Required)
- Try it yourself:
- Wellness & fitness platforms
- Stress & sleep monitoring apps
- mHealth applications
- Telco health bundles
Already Proven- Used daily by thousands of users globally
- Recommended by cardiologists in the UK & US
- Integrated in real-world pilots across underserved regions
Free API Key (1,000 scans/month)Request your key → or DM
—
I'm happy to support integration, answer technical questions, or brainstorm use cases. DM me if you're working on health, wellness, or embedded signal ML — always happy to connect.
Michal Barodkin
Founder, HeartScan