Heartzen: Heart Rate Monitor

Heartzen helps you check your pulse, HRV, stress and energy — using just your phone's camera. No straps, no setup. Just a quiet, gentle ritual for your heart.

Heartzen turns each measurement into a calm, easy-to-read snapshot of how your body is doing today.

What you can do
- Take a pulse check whenever you like
- See your Heart Score, Stress and Energy in soft, easy-to-read cards
- Track HRV with SDNN, RMSSD, PNN50 and AVRR
- Watch your resting heart rate trend over time
- Build a daily check-in streak that actually feels good

Wellness scenarios — guided mini-checks
Friendly self-checks built around everyday moments:
- The 10-Squat Check — move for a minute and see how you respond
- The Stair Step — one flight, one snapshot
- The Mindful Minute — slow breathing to soften your pulse
- Morning Snapshot — your cleanest reading of the day
- Hydration Reset — pulse after a glass of water
- The Cool-Down — watch your body settle after activity
- Coffee Curiosity — see how caffeine shifts your dial

Insights library — backed by real science
20+ bite-sized guides on heart rate, HRV, stress, sleep, movement and more. Every guide ends with its own interactive checklist so you can try what you read the same day.

Your profile, your pace
- Set your age, weight and height for personal context
- Pick a gentle daily reminder time that fits your routine
- Watch your streak grow with each measurement

Note: This app is for educational purposes only and does not replace professional medical advice or provide real-time diagnostics. Consult a healthcare professional for any health concerns or symptoms.

Full access is available for $9.99 per week with the option to cancel anytime; 

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