Level Sound Meter

Measure environmental sound levels with professional accuracy using SoundDecibel Pro — the fast, elegant, and calibrated acoustic noise meter designed for Android.

Featuring a high-contrast dark OLED acoustic matrix interface, SoundDecibel Pro turns your device into an advanced sound pressure level (SPL) instrument. Monitor live decibel levels, inspect real-time sound frequency waveforms, and track Min, Avg, and Max acoustic measurements with zero latency.

⚡ CORE ACOUSTIC MEASUREMENT FEATURES:

📊 Precision Analog & Digital Gauge
Watch instantaneous noise fluctuations on a high-response 120Hz circular dial and ultra-clear digital decibel readout ranging from 0 to 120+ dB.

📈 Real-Time Acoustic Waveform Visualizer
Inspect audio dynamics as they happen with an integrated live frequency line graph that tracks volume history and sudden sound spikes.

📐 Comprehensive Session Analytics
Track environmental acoustics with dedicated metrics:
• Minimum Recorded Noise Level (Min dB)
• Rolling Session Average (Avg dB)
• Peak Acoustic Spike (Max dB)

🏷️ Environmental Reference Benchmarks
Compare your surroundings against standardized noise health guidelines:
• Whispering / Rustling Leaves (30 dB)
• Quiet Library / Home (40 dB)
• Normal Conversation / Office (60 dB)
• Busy City Traffic (75 dB)
• Loud Machinery / Alarms (85+ dB - Hearing Protection Recommended)

🌙 Dark OLED Battery-Saver Aesthetic
High-contrast neon amber and electric cyan indicators set against true-black backgrounds designed to prevent glare and conserve battery on AMOLED screens.

🔒 100% Offline & Total Privacy
Built with privacy first. All audio calculations are processed entirely on your hardware in temporary memory. No audio is ever recorded, saved, or uploaded.

📱 Built for Android 16 & Modern Displays
Optimized for ultra-fluid touch response, instant cold-starts, and reliable performance across modern Android hardware.

Monitor and protect your hearing health with confidence. Download SoundDecibel Pro today!