HorizonMeter

HorizonMeter is a tool designed for precise tilt angle and slope measurements using your device's built-in accelerometer.

Key Features:
• Accurate Measurements - Measures angles from -90° to 90° with real-time updates
• Slope Percentage - Displays gradient as percentage (ideal for checking ramps, stairs, and driveways)
• Dual Display Modes - Switch between digital readout and traditional analog dial view
• Measurement History - Save and review your past measurements
• Calibration Support - Calibrate for improved accuracy on your specific device
• Hold Function - Freeze current readings for easy recording

Privacy-Focused:
• No personal data collection
• No location tracking
• No camera or microphone access
• All data stays on your device
• Minimal permissions (internet only for privacy policy display)

Technical Specifications:
• Measurement range: -90° to 90°
• Slope display: Percentage format
• Sensor: Accelerometer only
• Accuracy: Device-dependent (typically ±0.5°)