Pixel Pulse: Sound & dB Meter

Measure sound, track ambient noise, and protect your hearing with precision. Pixel Pulse is a reliable Sound Level Meter (SPL), noise dosimeter, and smart audio analyzer for your phone, tablet, foldable, and Wear OS watch. Measure and record with precision • Visualize live decibel levels instantly with a beautifully responsive, fluid gauge. • Calibrate your microphone manually for highly accurate readings, completely free. • Record, save, and replay unlimited audio sessions. Scrub through interactive waveforms to pinpoint the exact moment a loud noise occurred. • Safely manage your data with a built-in Recycle Bin and encrypted local backups. Smart health and WHO guidelines • Track your noise exposure against official World Health Organization (WHO) and ITU-T H.870 safe listening standards. • Monitor your weekly Noise Budget to prevent acoustic fatigue and protect your hearing over time. • Explore deep analytics, including daily, weekly, and long-term historical exposure trends. • Get personalized insights based on your custom sleep and work routines. True background monitoring • Never miss a sound spike. Pixel Pulse can seamlessly monitor your environment in the background with minimal battery impact. • Receive proactive, routine-based smart alerts if you are exposed to harmful noise levels for too long, preventing notification fatigue. • Sync flawlessly across devices: if your watch disconnects, your phone automatically takes over monitoring to prevent any data gaps. On your supported Wear OS watch • Check your decibel levels and noise budget right from your wrist with a standalone, battery-efficient app. • Add the dB Level or Noise Budget Complication to your favorite watch face for live, glanceable data. • Use the interactive Current dB Tile, Noise Budget Tile, or 24h Chart Tile for quick access from your carousel. • Pin responsive Widgets (Wear OS 7+) directly to your smartwatch. • Adjust professional settings and microphone calibration without ever opening your phone. Personalized, private, and ad-free • The interface adapts perfectly to your wallpaper with dynamic Material You design. • Your privacy is paramount. Audio is never recorded or uploaded—only the decibel levels are processed locally and securely. • Pixel Pulse contains zero ads for all users. Upgrade to Pixel Pulse+ • Unlock the ultimate professional toolkit with a single, lifetime purchase. • Start high-precision Live Sessions to actively monitor specific events (like concerts or shifts) in the background, and review them later with deep sound exposure analytics. • Access advanced frequency weightings (dBA, dBC, and dBZ) and adjustable meter speeds. • Export rich images and CSV data for professional acoustic reporting. • Feel the sound intensity through dynamic Ambient Haptics. • Customize your experience with exclusive color palettes, expressive fluid meter graphics for Phone and Wear OS, and quick-action toolbar shortcuts. • And much more... * Some advanced customization and analytical features require a Pixel Pulse+ one-time purchase. Compatible device sensors required for certain features. ** Pixel Pulse is not a certified medical device and should be used strictly as a supplementary tool for hearing wellness. Health analysis and noise budgets are calculated based on public WHO (World Health Organization) and ITU guidelines.