# Decibel Meter：Noise Detector — dB Sound Level Meter, Spectrum > Professional-grade noise toolkit for real-time decibel measurement and sound documentation. (iPhone/iPad app by Offline Music.) - Source: https://appshunter.io/ios/app/decibel-meternoise-detector/id6779128095 (this page in markdown: same URL + `.md`) - Developer: [Offline Music](https://appshunter.io/developer/1823656102) - Category: Utilities - Price: Free with in-app purchases - Rating: 5.00/5 from 2 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 18.6 · 12 MB - Languages: American English, Arabic, Bulgarian, Catalan, Croatian, Czech, Danish, Dutch, Finnish, French (France) and 24 more - Released: 2026-06-13 - Data updated: 2026-08-28 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/decibel-meternoise-detector/id6779128095/reviews.md ## What is Decibel Meter：Noise Detector? 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 ## Key features - Real-time dB meter with max, min, average - Voice-activated noise recording - Video recording with decibel watermark - Timestamp and GPS overlay - On-device audio/video processing - Live Activity on Lock Screen ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | DecibelPro Ads Free | $2.99 | one-time | ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/decibel-meternoise-detector/id6779128095/reviews.md ### 5/5 — Excellent decibel meter *2026-07-21* This is truly a highly accurate and sensitive noise monitoring tool; with it, I don't even need to buy a dedicated noise monitor. ## Frequently asked questions about Decibel Meter：Noise Detector ### What is DecibelPro used for? DecibelPro is used to measure real-time decibel levels, monitor sound, and record noise evidence. It's helpful for documenting apartment noise, neighbor complaints, or office sound levels. ### Does DecibelPro have ads? Yes, DecibelPro contains advertisements. As it is a free app with in-app purchases, ads are included to support its development and features. ### Is DecibelPro a certified sound level meter? No, DecibelPro is not a certified sound level meter. The readings are reference estimates for personal comparison and documentation, not for legal metrology or occupational safety certification. ### How does DecibelPro handle privacy? DecibelPro prioritizes privacy by processing all measurement, recording, and video data directly on your device. It does not upload your audio or video to any servers. ### What devices does DecibelPro support? DecibelPro is currently supported on iPhones. It is designed for iOS devices and can utilize features like Live Activity on the Lock Screen and Dynamic Island. ### How often is DecibelPro updated? The latest version of DecibelPro is 1.2.0, which was last updated on June 23, 2026. Updates typically include bug fixes and feature enhancements. ### What are the in-app purchase options for DecibelPro? While the app is free to download, it offers in-app purchases for premium features. Users can subscribe to 'WeSync Premium' which is governed by Apple's standard license agreement. ### Can DecibelPro record sound automatically? Yes, DecibelPro features voice-activated noise recording. You can set a start threshold for sound to automatically begin recording and adjust start/stop levels. ## Version history (last 5 releases) ### 1.8.1 — 2026-08-24 - Optimize monitoring accuracy - Optimize video monitoring ### 1.8.0 — 2026-08-16 - Optimize monitoring accuracy - Optimize video monitoring ### 1.7.1 — 2026-07-21 - Optimize monitoring accuracy - Optimize video monitoring ### 1.7.0 — 2026-07-13 - Optimize monitoring accuracy - Optimize nighttime monitoring reports ### 1.6.0 — 2026-07-10 • ADVANCED 2048 FFT SPECTROGRAM Double the acoustic precision. Our upgraded logarithmic spectrum analyzer now exposes deep, elusive low-frequency structural hums, AC vibrations, and subwoofers that standard dBA meters miss. • 10-MINUTE SEGMENTED SAFEGUARD Overnight tracking is now bulletproof. Continuous recording automatically fragments and locks audio files safely to your local storage every 10 minutes — ensuring zero data loss even if your battery dies unexpectedly. • AI-POWERED AUDIO CLASSIFICATION Clear out the background static. You can now configure your voice-activated recorder to trigger exclusively for targeted noises, such as dog barks, sirens, or music. • CALIBRATION SYNC & PRIVACY Fixed a critical system-level bug where video recording displayed higher decibel readings due to iOS auto-gain. Video and audio measurements are now perfectly aligned under true reference standards. As always, 100% on-device processing with zero cloud uploads. Love Decibel Meter? Please leave us a review on the App Store! Your support keeps independent, privacy-first development alive. ## More apps by Offline Music - [Offline Player: Music & MP3](https://appshunter.io/ios/app/offline-player-music-and-mp3/id6747974527) - [WeSync: Family Shared Calendar](https://appshunter.io/ios/app/wesync-family-shared-calendar/id6775353963) - [TopoLog: Live Team GPS Tracker](https://appshunter.io/ios/app/topolog-live-team-gps-tracker/id6780429432) All apps by Offline Music: https://appshunter.io/developer/1823656102 ## Related topics [meter music](https://appshunter.io/ios/topics/meter-music) · [db meter lite](https://appshunter.io/ios/topics/db-meter-lite) · [decibel meter noise detector](https://appshunter.io/ios/topics/decibel-meter-noise-detector) · [db meter sound](https://appshunter.io/ios/topics/db-meter-sound) · [db meter free sound](https://appshunter.io/ios/topics/db-meter-free-sound) · [high pitch sound detector](https://appshunter.io/ios/topics/high-pitch-sound-detector) · [db meter free](https://appshunter.io/ios/topics/db-meter-free) · [sound decibel meter free](https://appshunter.io/ios/topics/sound-decibel-meter-free) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-28.*