Pixel Pulse: Sound & dB Meter

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In-app purchases

About this app

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.

Ratings and reviews

While I appreciate the privacy factor, the sound levels aren't even close.

hope all other android apps looked this good

Amazing app. Would be great on WearOS.

What’s new

Version 1.22.4 brings essential improvements and fixes!
- New Setup Wizard: A guided step-by-step experience to easily configure your alerts and daily routines.
- Sync Button: Quickly sync your phone and watch directly from the notification panel.
- Sensor Fix: Resolved an issue where the app incorrectly detected that the device was taken off.
- Faster Backups: Improved backup security and faster loading times.
- Wear OS: Instant settings loading and immediate Watch Tile updates.