# ZoneSteady: Heart Rate Zones

> Heart Rate & Hybrid Workouts

Canonical page: [https://chrome-stats.com/d/id6759931228](https://chrome-stats.com/d/id6759931228)

## Overview

- **ID:** `id6759931228`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** SLV Labs LLC
- **Category:** Health & Fitness
- **Rating:** 5.00 / 5 (2 ratings)
- **Version:** 1.1.2
- **Last updated:** 2026-09-14
- **First published:** 2026-03-16
- **Size:** 62 MB
- **Data as of:** 2026-09-19
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/zonesteady-heart-rate-zones/id6759931228)
- **Website:** [https://zonesteady.com](https://zonesteady.com/)
- **Privacy policy:** [https://zonesteady.com/privacy-policy](https://zonesteady.com/privacy-policy)

## Description

Customize your race simulations, follow clearer workout controls, and enjoy more reliable Apple Watch connections for your next hybrid training session.

ZoneSteady turns your Apple Watch into a powerful heart rate zone training tool — completely free, no subscription required.

* Apple Watch is required.

Start a workout on your Apple Watch and instantly see your real-time heart rate mirrored on your iPhone with a color-coded zone display. Whether you're warming up in Zone 1 or pushing your limits in Zone 5, ZoneSteady makes it effortless to train at the right intensity.

REAL-TIME HEART RATE ZONES
• Live heart rate streaming from Apple Watch to iPhone
• 5 color-coded training zones calculated using the Karvonen formula
• Full-screen zone display with bold, glanceable design
• Signal detection alerts you when heart rate data is lost

CUSTOMIZABLE ZONES
• Personalize your zone boundaries with Manual Override
• Adjust individual zone BPM thresholds to match your training plan
• Cascading logic ensures zones never overlap or leave gaps
• Percentages update in real-time as you fine-tune each zone
• Custom zones sync automatically to your Apple Watch
• Reset to scientifically-calculated defaults anytime

17 WORKOUT TYPES
• Running, cycling, swimming, hiking, strength training, HIIT, yoga, rowing, and more
• Start from your Watch or your iPhone — your choice

WORKOUT HISTORY
• Every session saved automatically with duration, calories, distance, and zone breakdown
• Visual zone timeline shows how your effort shifted throughout each workout
• Share workout summary cards with friends and training partners

BUILT FOR APPLE WATCH
• Native watchOS companion app with real-time zone display
• Works with Apple HealthKit for accurate, sensor-level heart rate data
• Landscape and portrait support on iPhone

100% FREE
• No subscription. No paywall. No trials.
• Professional-grade training tools available to everyone.

REQUIREMENTS
• Apple Watch Series 3 or later with watchOS 10+
• iPhone with iOS 17+
• Apple Health app with heart rate permissions enabled

## Rankings

- #664,563 — Overall

## Similar extensions and apps

- [RunnersHeart](https://chrome-stats.com/d/id6758222219)
- [HR Zone Monitor](https://chrome-stats.com/d/id6759027810)
- [Simple Zones](https://chrome-stats.com/d/id1533922808) — 4.00 / 5
- [ZoneVibe: Heart Rate Zones](https://chrome-stats.com/d/id6755251923)
- [ZoneView: Heart Rate Zones](https://chrome-stats.com/d/id6786846242)
- [Zones for Training](https://chrome-stats.com/d/id1139688415) — 4.80 / 5
- [HeartOxy](https://chrome-stats.com/d/id6757838240)
- [Cardio Zones.](https://chrome-stats.com/d/id1103232564) — 4.30 / 5
- [ZoneLock](https://chrome-stats.com/d/id6775130044)
- [Workout Live - Heart Rate Zone](https://chrome-stats.com/d/id1599604990) — 4.00 / 5
- [Zone2 Pulse](https://chrome-stats.com/d/id6759531935)
- [Heart Zones Workout](https://chrome-stats.com/d/id1578321963) — 4.50 / 5

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6759931228)