Decibel Meter：Noise Detector
iOS app by Offline Music. Utilities · Offline Music
- Store rating
- 5 / 5
- Store rating count
- 2
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.9.1
- Listing last refreshed
- 2026-09-17
View the original store listing
Store description excerpt
Neighbor noise keeping you up? A low hum shaking the walls? Need clear proof for your HOA, landlord, or Airbnb host? Decibel Meter is a professional sound level meter, real-time spectrum analyzer, and video noise recorder for iPhone — so you can document what you hear and share it. Works fully offline. No cloud uploads. === BUILT FOR REAL DISPUTES • Video evidence with live dB, time, and GPS burned into the footage • Live monitoring with Max, Min, Average, and Leq • High-sensitivity modes to reveal low-frequency hums that basic dBA apps miss • Voice-activated overnight recording with optional AI triggers (Premium) • Private local library — export via AirDrop, Mail, or the Files app === VIDEO EVIDENCE YOU CAN SHARE Turn “it’s loud” into footage you can send. • Live decibel watermark on every frame • Timestamp + GPS overlay for where and when it happened • On-screen waveform while you record • Up to 5× pinch-to-zoom for distant construction or parties Useful for HOA complaints, landlord–tenant issues, short-term rental checks, and local noise reports. === LIVE SOUND LEVEL METER & SPECTRUM • Real-time dB with Max / Min / Avg / Leq • Spectrum analyzer: 1024 FFT, or detailed 2048 FFT (Premium) • A, C, and Z weighting • High Sensitivity mode for deep bass, HVAC, and structural rumble • Fullscreen LED view + Live Activities / Dynamic Island === AUTO RECORD WHEN IT GETS LOUD • Custom dB trigger and tail delay • Keep measuring in the background while you use other apps (when enabled) • Premium AI filters: focus on dogs, engines, music, and similar events • Segmented overnight saving to reduce data loss if the battery dies (Premium) === YOUR LOCAL EVIDENCE LIBRARY • Voice clips, video evidence, and metadata in one place • Play, rename, delete, or batch-share • Sort by date, peak dB, or name • Device calibration offset for more consistent reference readings === PREMIUM — 3-DAY FREE TRIAL Try the full toolkit free for 3 days: • Advanced 2048 FFT spectrogram for elusive low-frequency noise • Extended video evidence limits vs free tier • AI-triggered recording • Overnight / sleep report export (PDF & CSV where available) • Ad-free experience === PRIVACY — ON-DEVICE ONLY All measurement, AI classification, recording, and video overlays run on your iPhone. Decibel Meter works offline and does not upload your audio, video, or ambient data to our servers. === DISCLAIMER Decibel Meter is not a certified Class 1 or Class 2 sound level meter. Readings are high-precision reference estimates for personal comparison, logging, and documentation — not for legally required industrial metrology or occupational safety certification. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://decibelmeterpro.com/privacy.html
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