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.