HeartCalc
Florian Schimanke · Health & Fitness
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Chart standing · US
What changed · US
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About
Transform Your Training with Precision Heart Rate Zones! Unlock your fitness potential with the most comprehensive heart rate calculator on the App Store. Whether you're a weekend warrior or elite athlete, discover your optimal training intensity for maximum results. 8 PROVEN FORMULAS - Sally Edwards & Winfried Spanaus - Classic Fox & Haskell formula - Modern Tanaka & Gellish methods - Latest Nes research (2013) - Gender-specific Gulati & Miller formulas COMPLETE TRAINING ZONES Get personalized heart rate zones instantly: - Warm-up Zone (50-60%) - Recovery & preparation - Fat Burn Zone (60-70%) - Optimal fat burning - Aerobic Zone (70-80%) - Endurance building - Anaerobic Zone (80-90%) - Performance improvement - VO₂ Max Zone (90-100%) - Peak athletic performance KEY FEATURES - Clean, modern interface following Apple design guidelines - Instant calculations with detailed explanations - Automatic data saving - your age and weight remembered - Multiple language support - No ads, no subscriptions, no data collection PERFECT FOR - Runners preparing for marathons - Cyclists optimizing training rides - Gym enthusiasts maximizing workouts - Personal trainers guiding clients - Anyone serious about fitness results Stop guessing your training intensity. Start training smarter with science-backed heart rate zones that deliver real results!
What's new · 1.1
Liquid Glass for iOS 26 is here!!! - Code optimizations - Bug fixes
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