Marcwills HRVA
Android app by Kukuh P. Putra. Health & Fitness · Kukuh P. Putra
- Store rating
- Unknown
- Store rating count
- Unknown
- Download price
- 39.99 USD
- In-app purchases
- Not listed in captured metadata
- Version
- 3.1.7
- Listing last refreshed
- 2026-09-14
View the original store listing
Store description excerpt
MARCWILLS HRVA is a professional heart rate variability (HRV) analyzer designed for sport science researchers, exercise physiologists, and academic professionals. Powered by the Polar H10 chest belt — the gold standard wearable ECG sensor — MARCWILLS HRVA delivers research-grade physiological monitoring in real time, directly on your Android device. ━━━━━━━━━━━━━━━━━━━━━━━ FEATURES ━━━━━━━━━━━━━━━━━━━━━━━ ❤ REAL-TIME HEART RATE MONITORING Track heart rate in beats per minute with Karvonen intensity (%HRR) based on individual resting HR and age-predicted HRmax. 📈 HRV ANALYSIS RMSSD, SDNN, pNN50, and Mean RR — calculated live from beat-to-beat RR intervals streamed directly from the Polar H10. ⬡ POINCARÉ PLOT Visualize autonomic nervous system dynamics with a live Poincaré scatter plot, SD1/SD2 ellipse overlay, and built-in interpretation guide for SD1 (parasympathetic), SD2 (overall variability), and SD1/SD2 ratio (sympathovagal balance). 〰 ECG WAVEFORM — 130 Hz Live ECG display at 130 Hz with automatic R-peak detection, RR interval annotation, and QRS duration measurement. 📊 ACCELEROMETRY 3-axis motion monitoring (ACC X/Y/Z, magnitude) for movement artifact detection during recording sessions. 👤 MULTI-SUBJECT REGISTRY Register and manage multiple research subjects with individual profiles: name/code, age, biological sex, and resting HR. 🗂 SESSION MANAGEMENT Record, store, and manage unlimited sessions per subject. Review session history with date, duration, and export options. 📤 DATA EXPORT Export session data via Android Share Sheet: - HR, RR intervals, and ACC data as CSV - RR intervals as plain-text format (.txt) — compatible with standard HRV analysis software ━━━━━━━━━━━━━━━━━━━━━━━━ REQUIREMENTS ━━━━━━━━━━━━━━━━━━━━━━━━ This app requires a Polar H10 chest belt sensor (sold separately). The Polar H10 streams raw ECG at 130 Hz and beat-accurate RR intervals via Bluetooth Low Energy (BLE). ━━━━━━━━━━━━━━━━━━━━━━━━ PRIVACY ━━━━━━━━━━━━━━━━━━━━━━━━ All data is stored locally on your device. No data is transmitted to external servers or third parties. ━━━━━━━━━━━━━━━━━━━━━━━━ DISCLAIMER ━━━━━━━━━━━━━━━━━━━━━━━━ MARCWILLS HRVA is intended for research and educational purposes only. It is not a medical device and should not be used for clinical diagnosis or medical treatment. ━━━━━━━━━━━━━━━━━━━━━━━━ ABOUT ━━━━━━━━━━━━━━━━━━━━━━━━ MARCWILLS HRVA is the first app of the MARCWILLS physiological monitoring platform, developed for sport science research with future expansion into multi-sensor monitoring environments. Developer: Kukuh Pambuka Putra | MARCWILLS
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