Zone Gains

**One-time purchase. No subscriptions. No ads. No in-app purchases. Ever.**
Zone Gains is a premium heart rate zone training app designed for athletes and fitness enthusiasts who want to train smarter, not harder. Buy once and own it forever.

**WHY ZONE GAINS?**
Unlike free apps cluttered with ads or subscription-based alternatives that cost £50+/year, Zone Gains offers a complete heart rate training solution for a single, affordable price. Your data stays on your device – we don't collect or sell your information.

**SUPPORTED DEVICES**
Zone Gains works with a wide range of Bluetooth Fitness Trackers, devices that supports the standard Bluetooth Heart Rate Service will work.

** IMPORTANT - APPLE WATCHES NOT SUPPORTED**
Apple Watches are not currently supported. Coming Soon.

**HOW TO CONNECT**
Getting started is simple:
1. Turn on your Bluetooth Fitness Tracker
2. Open Zone Gains and tap "Find Devices"
3. Select your device from the list – that's it!

**TROUBLE CONNECTING**
Some devices can only connect to one app, disconnect from other apps and try again.

**REAL-TIME HEART RATE ZONES**
Instantly see which training zone you're in. Zone Gains uses scientifically-proven heart rate zone methodology to help you train at the right intensity – whether that's burning fat in Zone 2, building aerobic endurance in Zone 3, or pushing your anaerobic limits in Zone 4-5.

**LIVE WORKOUT TRACKING**
A beautiful, glanceable display shows your current heart rate, zone, and key stats updating in real-time. The color-coded zone graph lets you visualise your entire workout intensity at a glance.

**PERSONALISED TO YOU**
Your zones are calculated using your personal metrics – age, weight, resting heart rate, and max heart rate. Choose between the Karvonen formula (heart rate reserve) or percentage of max HR method for zone calculation.

**ZONE WORKOUT MODE**
Guarantee you spend exactly the prescribed time IN your target zone:
• Timer only counts when you're in the target zone
• Perfect for Zone 2 aerobic base building and threshold training
• Preset workouts for Zones 2-5 with warmup/cooldown phases
• Track zone entries, longest streak, and compliance percentage

**BUILT-IN INTERVAL TRAINING**
Take your fitness to the next level with structured interval workouts:
• Preset programs: Tabata, HIIT, Tempo runs, Endurance builders
• Custom workout builder: Create your own intervals with target zones
• Audio and haptic cues guide you through each phase
• Track compliance to see if you hit your target zones

**COMPLETE WORKOUT HISTORY**
Every workout is saved with detailed analytics – heart rate graphs, zone time breakdowns, calories burned, and performance trends. See your progress over weeks and months.

**DASHBOARD INSIGHTS**
Your weekly training summary shows workouts completed, total training time, calories burned, zone distribution, and workout streaks. Stay motivated with clear progress tracking.

**APPLE HEALTH SYNC**
Export workouts to Apple Health and import your resting heart rate for more accurate zone calculations.

**MEDICAL DISCLAIMER:**
IMPORTANT: Zone Gains is not a medical device or app.
• The App is designed for fitness and wellness purposes only
• Heart rate data and calculations are estimates and may not be accurate
• Do not use this App to diagnose, treat, or prevent any medical condition
• Always consult a qualified healthcare professional before starting any exercise program
• If you experience chest pain, dizziness, or other symptoms during exercise, stop immediately and seek medical attention
• The calorie calculations are estimates based on general formulas and may vary from actual energy expenditure