Heart Plot vs Hoogga

IMPORTANT: This app REQUIRES a Polar H10 heart rate sensor. Heart Plot is a specialized tool designed for the Polar H10 chest strap. It visualizes your heart's rhythm in real time using Lorenz (Poincaré) plotting. By measuring the precise RR intervals (the time between two heartbeats), Heart Plot maps your heart's behavior onto an X-Y plot. This shows patterns that a simple pulse reading never reveals. SEE YOUR HEART RHYTHM IN REAL TIME • Live Lorenz plot: watch the pattern grow with every beat. • Extra beats at a glance: Heart Plot estimates premature beats and sorts them into two groups, supraventricular (SVES) and ventricular (VES) extra systoles. Counts and percentages appear below the plot. • Trend chart: tap the SVES/VES values to see how often extra beats occurred per 15 minutes over the whole recording. • Capture episodes: useful for documenting an intermittent event to discuss with your doctor. • Fitness & HRV: follow your heart rate variability (RMSSD) during rest or training. • Built for endurance: from a quick check to a 24–48 hour continuous measurement. HEAR YOUR HEART Every beat of your own heart can be played as a short tick, in your real rhythm. The sound is delayed by about 2 seconds because of Bluetooth transmission and smoothing. It also works with the screen off or the app in the background, so you can follow your heartbeat by ear without looking at the display. • Optional separate beep for each detected SVES or VES. You can hear a premature beat as it happens, even when the screen can't stay on. • Beat sound and extra-beat beep can be switched on independently. For example, you can stay silent except for extra beats. KEY FEATURES • High-resolution data: every RR interval straight from the Polar H10. • Stay-Awake mode: keeps the screen on during long measurements. • Session recovery: an interrupted recording can be resumed after a connection loss or app restart. • Load & review: open a previously recorded CSV file to view its plot, HRV and extra-beat statistics. • Data export: share raw data (RR intervals, timestamps, beat classification) as a CSV file via the Apple Share Sheet for Excel, Python or R. • Free to use: no paywall. Optional tips support development. PRIVACY FIRST Your health data stays with you. Heart Plot has no accounts and no cloud servers. Measurements are stored only on your iPhone until you export or share them. MEDICAL DISCLAIMER Heart Plot is not a medical device. It is a data visualization tool for informational, educational and fitness purposes. It does not diagnose, treat, cure or prevent any condition, and it is not a substitute for an ECG or a Holter monitor. The SVES/VES detection is an estimate calculated only from the timing between heartbeats. It cannot see the shape of the ECG signal, so it can miss events, count false events and confuse the two types. Results are indicative only and must not be used for diagnosis or treatment decisions. Sound feedback is delayed and may miss or add beats; do not rely on it for monitoring in any situation where your health depends on it. Always consult a physician to interpret your data. If you feel unwell, have chest pain, dizziness or palpitations, seek medical care immediately. Do not delay or stop treatment based on this app. REQUIREMENTS • Polar H10 heart rate sensor (chest strap) • iPhone with Bluetooth

Hoogga is a real‑time HRV companion designed to help you understand your inner rhythm with clarity and calm. Hoogga offers three tools to help you observe, regulate, and understand your internal state: Real‑Time HRV See your HRV shift moment by moment - RMSSD, SDNN, LF/HF, and more - Live HRV graph - Clean, minimal visuals - Export HRV metrics and graphs Biofeedback Breathing A guided breathing space for calm and regulation (usable with or without Polar) - 10 breathing tempos - 3 session durations - Visual breathing guide - 3 audio modes With Polar connected, you’ll also see: - HR Waveform - RSA Amplitude Observe how your breath influences your physiology in real time. Resonant Frequency Assessment Find the breathing pace that calms your body best. Requires a Polar sensor to analyze real‑time HRV and RSA. - Choose from 10 tempos - Compare responses - Discover your personal resonance frequency Data Export Whenever Polar is connected, Hoogga records a complete RR intervals session. Each session is labeled with tool, date, and time for exports. Hoogga is designed for people who want precise HRV data, clean visuals, and a warm, grounding experience — without pressure or noise. In a world that demands you go faster, Hoogga invites you to slow down and listen to your inner rhythm. “Hoo” is the soft sound of an exhale. “Gga” is grounding — the moment you return to yourself. Use it during rest, after stress, before sleep, or anytime you want to reconnect with your body. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ **Regulatory & Hardware Disclaimer** This app connects only to consumer-grade fitness devices (Polar H9/H10) that are not classified as medical devices in any jurisdiction. The app does not require or interact with any regulated medical hardware. This app is intended for general wellness and fitness purposes only and is not subject to medical regulatory approval in any region. It does not provide medical advice, diagnosis, or treatment. If you have any health concerns, please consult a qualified healthcare professional.