Experience Precision G-Force Measurement

Transform your Apple Watch into a professional-grade accelerometer. Perfect for racing, aviation, sports, and engineering applications.

Download on App Store
Real-Time G-Force Meter for Apple Watch
Watch G Interface 2 - Real-time G-force display
Watch G Interface 3 - Recording sessions
Watch G Interface 1 - Graph visualization

Key Features

📊 Real-Time G-Force Display

  • Live G-force readings updated 50 times per second (50Hz)
  • Color-coded display: green for positive acceleration, red for negative
  • Maximum G-force tracking with easy reset

📹 Recording Sessions

  • Record G-force data for up to 5 minutes per session
  • Automatic session management with timestamped files
  • View all your recordings in an organized list
  • See duration and peak G-force for each recording

📈 Interactive Graph Visualization

  • Tap any recording to view a detailed graph
  • Green lines for positive G-forces, red for negative
  • Professional coordinate system with grid lines
  • Auto-scaled to show maximum G-force achieved

📤 Easy Sharing

  • Share recording data as JSON text
  • Compatible with WhatsApp, SMS, AirDrop, Email, and more
  • Export files with timestamp naming (WatchG format)
  • Perfect for analysis, sharing with teams, or data logging

🎨 Designed for Apple Watch

  • Optimized interface that fits perfectly on your watch face
  • Crown scrolling to navigate between views
  • Intuitive tap interactions
  • Minimal battery impact with efficient sensor usage

Perfect For

Educational & Hobby

Track g Force for research and fun.

Sports Performance

Measure impacts and acceleration in various sports

Engineering & Testing

Data collection for vehicle and equipment testing

Adventure Sports

Monitor forces during extreme activities