サウンドチェッカー vs SoundLog

What's the noise level around you? Sound Checker measures ambient noise levels in real-time using your phone's microphone. - Check apartment noise from neighbors - Measure snoring or teeth grinding volume - Monitor noise at construction sites or events - Check sound levels in your baby's room - Measure quietness of cafes and offices Features: - Real-time dB measurement with large meter display - 30-second waveform graph - Measurement history (min/avg/max dB auto-saved) - WHO noise level guidelines & Japan environmental standards Your microphone is used only for measurement. No audio data is stored or transmitted. Completely free with all features available. Note: This app provides approximate noise level readings using your smartphone's microphone. For legal evidence or precise measurements, please use a professional sound level meter.

SoundLog helps you document noisy neighbors, upstairs footsteps, apartment noise, and other recurring noise problems on your iPhone. Record the time, dB level, audio, notes, source direction, and severity. Then organize your records into a PDF report you can review before contacting a landlord, property manager, or HOA. SoundLog is not just a decibel meter. It is a noise complaint documentation workflow: record, organize, summarize, and share only when you choose. ■ Record noise as it happens - One-tap dB measurement and audio recording - Tags for footsteps, voices, music, pets, construction, doors, and other noise - Notes, severity, source direction, and optional photos ■ Organize recurring noise - Calendar view by date - Daily, weekly, and monthly statistics - Time-of-day patterns and noise-type summaries ■ Create a PDF report - Date range, incident count, average and maximum dB - Incident list with notes and audio references - Email draft for a landlord, property manager, or HOA ■ Keep control of your data - Records and recordings are stored on your device by default - PDF and audio files are shared only when you choose ■ Free Plan - Up to 10 records and playbacks per month - Diary and statistics view - Weekly summary notifications ■ Pro Plan - Unlimited monthly records - Unlimited PDF report creation and sending - Auto Monitoring - A yearly plan is also available - Prices are shown on the App Store purchase screen. Cancel anytime One-time report tickets are also available. ■ Note SoundLog uses the iPhone microphone for simplified measurements. dB readings may differ from professional sound level meters. SoundLog helps you create organized reference records and does not guarantee legal effect. ■ Supported Languages Japanese, English, Simplified Chinese, Korean ■ EULA, Terms, and Privacy Policy Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ SoundLog Terms: https://soundlog.kt-labs-ai.com/terms Privacy Policy: https://soundlog.kt-labs-ai.com/privacy