Features & Capabilities

Stop guessing and start training with purpose. ZoneSteady shows your exact effort zone in real time, straight from your Apple Watch.

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

User Growth & Download Statistics

App
By:
SLV Labs LLC
Rating:
5.00
(1)
Version:
1.0.7 Last updated: 2026-03-20
Version code:
883558951
Creation date:
2026-03-16
Compatible devices:
Size:
49.91MB
URLs:
Website ,Privacy policy
Full description:
See detailed description
Source:
Apple Apps Store
Data ingested on:
2026-06-04
Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Apple app. Please use these information below to contact the Apple app developer.
Developed by:
SLV Labs LLC
Apple Apps Store
https://apps.apple.com/us/app/zonesteady/id6759931228
Website:
https://zonesteady.com

User Reviews

ZoneSteady has been an excellent tool for helping me stay focused and consistent with heart rate zone training. The app is easy to use, accurate, and makes tracking workouts simple and motivating. I especially like how clearly it displays heart rate zones during training, helping me stay on target and improve performance without overtraining. Whether you’re a beginner or an experienced athlete, I highly recommend ZoneSteady to anyone serious about endurance, fitness, or structured training.
by Rj*****, 2026-05-09
View all user reviews ›

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