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🔊 Decibel Meter — The Cleanest Noise Meter

No complicated setups or expensive subscriptions. Just open the app and start measuring immediately.

It tells you your daily noise levels accurately and intuitively.

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✨ Key Features

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▶ Real-time Decibel (dB) Measurement

Measures ambient noise at 100ms intervals to provide precise dB readings

▶ Modern Minimal Gauge UI

Stylish dark theme + neon green accents

Semi-circular gauge that changes color according to noise level

▶ Real-time Noise Graph

Visualizes noise changes over the last 30 seconds as a line graph

▶ Statistics Dashboard

Min / Average / Max dB · Measurement Time at a Glance

▶ Automatic 6-Level Noise Level Classification

Very Quiet · Quiet · Normal · Loud · Very Loud · Dangerous

Comparison of daily noise levels by level (Library 40dB, Conversation 60dB, Subway 80dB...)

▶ Hearing Hazard Warning

Protects hearing with vibration + visual warning upon exposure above 85dB

▶ Save Measurement History

Save date, time, average/max dB, and memos to access anytime Check Again

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💡 Recommended for:

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🏠 Apartment residents concerned about noise between floors

📚 Students who want to check the noise environment in cafes or libraries

👶 Parents who want to check if the noise level in their baby's room is appropriate

🏗️ Office workers monitoring workplace noise environments

🎵 Creators measuring ambient noise during music or video production

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📌 Please Note

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This app is a reference measurement tool for general users.

Due to the characteristics of smartphone microphones, there may be an error margin of approximately ±5dB in the measurement values,

and it is not suitable for precise acoustic measurements or as legal evidence.

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🔒 Privacy Policy

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Microphone permissions are used solely for real-time dB measurements.

No voice data is recorded, stored, or transmitted.

All measurement records are stored only on the user's device.