HGH Rush - Burst Intervals

Contains adsIn-app purchases
10+
Downloads
Content rating
Everyone
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About this app

UNLOCK YOUR BODY'S NATURAL POTENTIAL

HGH Rush is the precision interval timer designed around peer-reviewed research showing that specific burst training protocols can increase natural Human Growth Hormone levels up to 10x above baseline.

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THE SCIENCE-BACKED PROTOCOL

Research published in the Journal of Sports Sciences and European Journal of Applied Physiology demonstrates that 30-second maximum-effort bursts followed by 4-minute recovery periods create the optimal conditions for natural HGH stimulation.

This isn't another generic HIIT timer. HGH Rush implements the exact timing protocol used in clinical studies—because when it comes to hormonal response, precision matters.

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WHY HGH MATTERS

Human Growth Hormone supports:
• Lean muscle development and preservation
• Enhanced fat metabolism
• Faster recovery from exercise
• Improved energy and vitality
• Better sleep quality

As we age, natural HGH production declines. Burst interval training is one of the most effective natural methods to stimulate your body's own HGH production—no supplements, no injections, just smart training.

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FEATURES

◆ PRECISION TIMING
Fixed 30-second exercise and 4-minute rest intervals based on research. No guesswork, no complicated settings—just scientifically-optimized timing.

◆ FLEXIBLE WORKOUTS
Choose 1-10 cycles per session. Add optional warm-up and cool-down phases with customizable durations (1-10 minutes). Complete a quick session or build a comprehensive workout—you're in control.

◆ COMPLETE WORKOUT HISTORY — FREE
Every workout tracked automatically. View weekly, monthly, and yearly stats with interactive charts. Set weekly goals, track your current and best streaks, and export your full history to PDF—all included free for every user.

◆ WEAR OS COMPANION APP — NEW
Train from your wrist with the dedicated Wear OS app:
• Companion Mode: Mirror and control phone workouts from your watch
• Standalone Mode: Complete workouts on watch alone—syncs automatically when reconnected
Add a quick-start tile or streak complication to your watch face. Haptic and audio feedback keep you on track.

◆ HEALTH CONNECT INTEGRATION
Automatically sync workouts to Health Connect. Exercise sessions, total calories, and active calories shared seamlessly with Google Fit, Samsung Health, and 100+ compatible apps.

◆ PERSONALIZED CALORIE TRACKING
Enter your weight, age, and sex for accurate calorie estimates using the scientifically-validated MET formula. Your data stays private on your device.

◆ WORKS IN BACKGROUND
Timer continues running when your screen is off or you switch apps. Get audio cues, voice countdown, and vibration alerts so you never miss a transition.

◆ SMART NOTIFICATIONS
Real-time notification shows current phase, time remaining, and cycle progress. Control playback from your notification shade.

◆ AUDIO & HAPTIC FEEDBACK
• Voice countdown: "3... 2... 1... GO!"
• Phase transition alerts and warning beeps
• Customizable vibration patterns
• Works with headphones and Bluetooth speakers

◆ ANY EXERCISE, ANYWHERE
Sprint, cycle, swim, do burpees, jump rope, or use gym equipment. You choose the movement.

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GO AD-FREE

Upgrade once, benefit forever:
★ Remove all banner ads
★ Clean, distraction-free interface
★ Support independent development

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BUILT FOR RESULTS

Whether you're an athlete optimizing performance, someone looking to maximize fat loss, or simply want the anti-aging benefits of elevated HGH—this timer gives you the exact protocol backed by science.

Download HGH Rush and start your first burst interval session today.

PLEASE NOTE: Consult your physician before beginning any high-intensity exercise program. This app provides exercise timing guidance and is not intended to diagnose, treat, or prevent any medical condition. References available in-app.
Updated on
Feb 15, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Health and fitness and Device or other IDs
This app may collect these data types
Financial info, Health and fitness, and Device or other IDs
Data is encrypted in transit
Data can’t be deleted

What’s new

NEW: Wear OS Companion App!

Train from your wrist:
• Control phone workouts or train standalone
• Quick-start tile and streak complication
• Haptic and audio feedback
• Workouts sync to phone automatically

Requires Wear OS 3.0+