Altimeter Overlay - Your personal altitude companion that displays real-time elevation information as a floating overlay on your device screen.

🌄 REAL-TIME ALTITUDE DISPLAY
• Get instant altitude readings using GPS and barometric sensors
• Displays current elevation in feet or meters
• Updates every second for accurate, real-time information
• Works anywhere with GPS signal

🎯 FLOATING OVERLAY
• Draggable overlay that can be positioned anywhere on screen
• Works over all other apps and games
• Semi-transparent background won't block your view
• Easy to move and reposition with simple drag gestures

⚙️ CUSTOMIZABLE APPEARANCE
• Adjustable text size (12sp to 32sp)
• Multiple text color options (White, Yellow, Cyan, Green, Red, Blue, Black)
• Customizable background colors with transparency control
• Toggle altitude label visibility
• Choose between feet and meters

📊 ALTITUDE HISTORY & CHARTS
• View your altitude journey with interactive charts
• Export altitude data to CSV files
• Clear, easy-to-read altitude history
• Perfect for tracking hikes, flights, or outdoor activities

🔧 ADVANCED FEATURES
• Multiple altitude calculation methods (GPS, Barometric, Fused)
• Customizable altitude resolution and rounding
• Background service keeps overlay running
• Works in landscape and portrait orientations
• Optimized for battery life

🎮 PERFECT FOR OUTDOOR ACTIVITIES
• Hiking and mountain climbing
• Aviation and drone flying
• Skiing and snowboarding
• Cycling and running
• Any activity where altitude matters

🔒 PRIVACY FOCUSED
• All data stored locally on your device
• No personal information collected
• No data transmitted to external servers
• Full control over your data

📱 COMPATIBLE WITH ALL ANDROID DEVICES
• Works on Android 7.0 (API 24) and above
• Optimized for modern Android versions
• Supports both phones and tablets
• Adaptive to different screen sizes

🚀 EASY TO USE
• Simple, intuitive interface
• One-tap start/stop overlay
• Long-press overlay for quick settings access
• Minimal learning curve

⚡ PERFORMANCE OPTIMIZED
• Lightweight app with minimal battery impact
• Efficient GPS and sensor usage
• Smooth overlay rendering
• Fast response times

🛡️ SAFETY FEATURES
• Informational use only - not for critical navigation
• Clear disclaimers about accuracy
• User-controlled permissions
• Easy to disable when needed

📋 PERMISSIONS EXPLAINED
• Location Access: Required for GPS altitude calculation
• Display Over Other Apps: Required for overlay functionality
• Foreground Service: Keeps overlay running in background
• No unnecessary permissions requested

🎯 USE CASES
• Outdoor Enthusiasts: Track elevation during hikes and climbs
• Aviation: Monitor altitude during flights
• Sports: Track elevation changes during activities
• Navigation: Get altitude context for location
• Education: Learn about elevation and geography
• Recreation: Fun altitude tracking for any outdoor activity

💡 PRO TIPS
• Position overlay in corner for minimal interference
• Use larger text size for better visibility outdoors
• Enable altitude history for tracking your adventures
• Export data to analyze your elevation patterns

⭐ WHY CHOOSE ALTIMETER OVERLAY?
• Simple: Easy to use with minimal setup
• Accurate: Uses multiple sensor sources for reliable data
• Customizable: Personalize appearance to your preferences
• Privacy: Your data stays on your device
• Reliable: Stable overlay that works consistently
• Versatile: Perfect for any altitude-related activity