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• Fixed the minimum showing higher than the average right after a measurement starts • Reduced the app size
Decibel meter & noise meter in real time. Log neighbor noise, sound level, PDF.
Decibel Meter — Neighbor Noise Log & Real-Time Sound Level Meter Tired of noise from neighbors or upstairs? Decibel Meter uses your smartphone's built-in microphone to measure and log noise in real time, displaying decibel (dB) readings instantly — no extra equipment needed. ────────────────────────────── Key Features ────────────────────────────── ■ Real-Time Noise Measurement Instantly measure surrounding sound levels in decibels (dB) using your device's microphone. Check noise levels anytime, anywhere without specialized equipment. ■ Visual Gauge UI An intuitive gauge display lets you see your current sound level at a glance. The gauge changes color as noise increases, making it easy to recognize potentially harmful levels. ■ Sound Level Guidance Noise levels are categorized as Quiet / Moderate / Loud / Very Loud, helping you understand your environment. Reference levels (library, conversation, factory, etc.) are provided for easy comparison. ■ Dark Theme Support Enjoy a comfortable dark theme, perfect for use in low-light environments. ────────────────────────────── Use Cases ────────────────────────────── • Home noise check — Monitor noise levels between floors or from neighbors • Work environment — Assess noise at offices, factories, or construction sites • Daily life — Measure sound levels in cafes, restaurants, or on public transport • Hearing protection — Identify environments where hearing protection may be needed • Quiet spaces — Check noise levels for study rooms, nurseries, or sleep environments ────────────────────────────── Premium Features (Upgrade) ────────────────────────────── Need more? Upgrade to Premium to unlock: • Noise recording — Record and save audio during measurements • History log — Review past measurements by time and date • Chart visualization — Analyze noise trends with detailed graphs • CSV export — Export measurement data as a CSV file for sharing or reporting ────────────────────────────── Important Notice ────────────────────────────── This app is intended for reference purposes only. It uses your smartphone's built-in microphone, and measurement accuracy may vary depending on device model, microphone quality, and case usage. For legally binding noise assessments or industrial safety compliance, please use certified professional equipment. ────────────────────────────── Start measuring your environment today. Download Decibel Meter and start keeping a record of the noise around you. ────────────────────────────── Common Noise Level Reference ────────────────────────────── • 30dB — Quiet library, whisper • 50dB — Quiet office, normal conversation • 70dB — Restaurant, vacuum cleaner, city traffic • 85dB — Threshold for hearing damage with prolonged exposure • 100dB — Construction site, motorcycle • 120dB — Concert, jet takeoff ────────────────────────────── More Use Cases ────────────────────────────── • Music practice — Compare your practice room noise with common reference levels • Baby's sleep environment — Monitor noise levels in your baby's room • Pets — Check noise levels where your pets spend time • Study environment — Measure background noise affecting your focus • Neighbor disputes — Keep a timestamped record of noise levels for reference ────────────────────────────── FAQ ────────────────────────────── Q. Is it as accurate as a professional sound level meter? A. No. Smartphone microphones have inherent limitations and may have some margin of error. For legally binding measurements, please use certified professional equipment. This app is designed for everyday reference use. Q. How do I use the noise recording feature? A. Upgrade to Premium to record and save audio during measurements, and review your measurement history by date and time.