Calm dB — Noise & Sound Meter
Calm dB — Noise & Sound Meter Summary
Calm dB — Noise & Sound Meter is a mobile Android app in Tools by Indie Apps Lab. Released in Dec 2025 (3 months ago). It has about 1.4K+ installs Based on AppGoblin estimates, it reaches roughly 645 monthly active users . Store metadata: updated Apr 7, 2026.
Recent activity: 493 installs this week (1.4K over 4 weeks) View trends →
Store info: Last updated on Google Play on Apr 7, 2026 .
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App Description
Sound meter & noise meter app to measure noise level, decibels and sound level.
Sound meter app Calm dB is a clean, accurate and easy-to-use sound level meter for real-time noise measurement.
Whether you want to check room loudness, monitor environmental noise, or test sound levels around you, Calm dB provides fast, reliable readings with a minimal, calming interface designed for everyday use.
KEY FEATURES
• Accurate real-time dB measurement
• Smooth live noise chart for instant visual feedback
• Min / Avg / Max values for every session
• Session history stored safely on your device
• Export to CSV or JSON for further analysis
• Calibration tools to improve measurement accuracy
• Keep the screen on during long measurements
• Modern, distraction-free minimal design
• Works fully offline
• No data tracking. No accounts. No unnecessary permissions.
PRIVACY-FIRST
Calm dB does not record audio or collect personal data. All measurements stay on your device. The app uses Firebase Crashlytics to collect anonymous crash data to improve stability.
PERFECT FOR
• Checking noise levels at home and work
• Monitoring environmental sound outdoors
• Sleep environment testing
• Device and equipment noise testing
• Everyday curiosity and sound exploration
Enjoy a calm, precise and beautifully designed sound measurement experience.