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Chest Strap HR Monitor

Name: Chest Strap HR Monitor
Availability: InStock
Rating: 1 (1 reviews)

Ditch the smartwatch for ECG-level precision. Get real-time audio alerts and bold, color-coded visuals for your Zone 2 and HIIT sessions. No subscriptions, no accounts, and no data tracking—just pure performance.

Key Figures

Downloads

100+

User Rating

1.0/5

Total Ratings

Publisher

Wojciech Zieba

Precision-Driven Heart Rate Training

Turn your iPhone into a high-fidelity fitness dashboard. Optimized for Zone 2 endurance, HIIT, and privacy-conscious athletes who demand pro-grade accuracy without the smartwatch distraction.

Laboratory-Level Accuracy

Bypass wrist-based estimates. Connect your Polar, Garmin, or Wahoo strap directly for 99.6% accurate real-time data designed for serious performance.

Audio-Guided Zone 2

Stay in your longevity and fat-burning window with intelligent audio alerts. Focus on your workout without constantly glancing at your device.

The following screenshots and description are sourced directly from the app's official store listing and are the property of the app developer.

App Store

Screenshots

Chest Strap HR Monitor - Smartphone displaying real time heart rate and Zone 2 endurance training data from a chest strap. — Smartphone displaying real time heart rate and Zone 2 endurance training data from a chest strap.

Chest Strap HR Monitor - Strap Zone app screen for connecting Bluetooth heart rate chest straps including Polar Garmin and Wahoo — Strap Zone app screen for connecting Bluetooth heart rate chest straps including Polar Garmin and Wahoo

Chest Strap HR Monitor - Heart rate monitor app display showing real-time BPM and Zone 2 endurance target on a smartphone gauge — Heart rate monitor app display showing real-time BPM and Zone 2 endurance target on a smartphone gauge

Chest Strap HR Monitor - Strap Zone app interface showing the custom workout builder with intervals and heart rate segments — Strap Zone app interface showing the custom workout builder with intervals and heart rate segments

Chest Strap HR Monitor - Workout summary screen in Strap Zone app displaying heart rate zones map and pace splits — Workout summary screen in Strap Zone app displaying heart rate zones map and pace splits

Description

Train in your heart rate zones using your Bluetooth chest strap — no smartwatch required. Strap Zone connects directly to your heart rate monitor and shows real-time zone data on your iPhone. Perfect for zone 2 training, fat burning workouts, HIIT, or any heart rate-based training. WHY CHEST STRAP + PHONE? Chest straps are 99.6% accurate — far more reliable than wrist-based monitors. But most zone training apps require an Apple Watch. Strap Zone doesn't. Just your phone and your strap. FEATURES Real-Time HR Zones (Z1–Z5) See your current zone with bold, color-coded display: Z1 Recovery | Z2 Endurance | Z3 Tempo | Z4 Threshold | Z5 VO2 Max Zone 2 Training Made Simple Stay in your target zone for aerobic base building, fat burning, and longevity training. Audio alerts keep you in the zone without looking at your screen. Structured Workouts Build custom interval workouts with target zones, repeat blocks, and timed segments. Perfect for HIIT, threshold training, or guided zone 2 sessions. Time-in-Zone Tracking See exactly how long you spent in each zone during and after your workout. Workout History Review past sessions with detailed zone breakdowns and heart rate data. Large, Clear Display Big BPM numbers easy to read during any workout — on the treadmill, bike, or gym floor. WORKS WITH ANY BLE CHEST STRAP - Polar H10, H9, OH1 - Garmin HRM-Pro, HRM-Dual, HRM-Run - Wahoo TICKR, TICKR X, TICKR FIT - COOSPO, Magene, Scosche, and any Bluetooth 4.0+ HR strap SIMPLE BY DESIGN No GPS. No accounts. No cloud. No subscription. Just heart rate zones — done right. Your heart rate data never leaves your device. No data collection. No tracking. Works on iPhone, iPad (with Split Screen support), and Mac with Apple Silicon. Terms of Service: https://strap-zone.vercel.app/terms.html