SMARTWHO

SMARTWHO

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Heart Rate Monitor - Pulse BPM Heart Rate Monitor - Pulse BPM

Your Heart, Instantly Measured

Turn your phone into a heart rate monitor — place your finger on the camera and get your BPM with a confidence score in about 15 seconds. No smartwatch needed. Real-time waveform, personalized BPM zones, breathing exercises, BMI calculator — all in one free app.

Get it on Google Play

App Screenshots

Heart Rate Measurement
BPM Result with Confidence Score
Measurement Analysis
History & Trends
PDF Report Export
Breathing Exercise
BMI Calculator
Health Reference

Key Features

❤️

Upgraded PPG Engine

Place your finger on the camera — the measurement engine has been upgraded for higher accuracy. Dual-verification (Peak + FFT) with Butterworth band-pass filter (0.67–4.0 Hz, 40–240 BPM) and IQR outlier removal.

🎯

Heart Rate Zones

Personalized zone classification (Resting, Fat Burn, Cardio, Peak) using Karvonen formula with age and sex-aware calculations.

📊

Analysis Reports

Comprehensive post-measurement analysis with confidence scoring, normal range assessment, and personalized health insights.

📈

History & Statistics

Track your BPM trends with smooth charts, zone distribution, resting HR estimation, and PDF export for records.

📖

Health Reference Guide

Resting and max heart rate tables by age and sex. Clinical references from AHA, Mayo Clinic, Fox, and Gulati formulas.

⚖️

BMI Calculator

WHO standard BMI classification with age and sex-specific insights. Supports both metric and imperial units.

🌬️

Breathing Exercises

Guided breathing patterns: 4-7-8 relaxation, Box breathing for focus, and Simple relaxation. Visual guide with cycle tracking.

💱

Enhanced Real-time Waveform

Refined real-time PPG waveform visualization during measurement. Watch your pulse signal processed at 30fps with clearer feedback and improved visibility across all screens.

🎨

Light & Dark Themes

Choose between Light, Dark, or System-default theme. Refined UI/UX across every screen for clarity and ease of use.

How to Measure

1. Open the app and tap Start Measurement

2. Place your fingertip gently over the rear camera and flash

3. Keep your finger still — the screen will turn red when detected

4. Wait for the measurement to complete (about 15-30 seconds)

5. View your BPM, heart rate zone, and detailed analysis

Tip: For best results, sit still in a comfortable position and avoid moving during measurement.

Download Now

Available on Google Play for free.

Get it on Google Play

Permissions

This app requires the following permissions:

CAMERAINTERNET

All permissions can be managed through Settings > Apps > Heart Rate Monitor - Pulse BPM > Permissions.

Disclaimer

This app is not a medical device. Heart rate measurements are for reference and wellness tracking purposes only. Do not use this app to diagnose or treat any medical condition. Consult a healthcare professional for medical advice.