# Decibel Meter - Noise Meter dB — Sound Level Spectrum Analyzer > Mobile sound level meter for real-time audio measurement and analysis. (iPhone/iPad app by SEEYAS LIMITED.) - Source: https://appshunter.io/ios/app/decibel-meter-noise-meter-db/id6767143529 (this page in markdown: same URL + `.md`) - Developer: [SEEYAS LIMITED](https://appshunter.io/developer/1895208045) - Category: Utilities - Price: Free with in-app purchases - Rating: 4.20/5 from 6 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 15.0 · 78 MB - Languages: British English, Arabic, Croatian, Czech, Danish, Dutch, Finnish, French (France), German (Germany), Greek and 22 more - Released: 2026-06-05 - Data updated: 2026-09-23 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/decibel-meter-noise-meter-db/id6767143529/reviews.md ## What is Decibel Meter? Turn your iPhone into a professional sound level meter, noise meter, and decibel meter for accurate, real-time audio measurement. Decibel Meter measures ambient noise with pre-calibrated dB readings, so you always know exactly how loud your surroundings are — at home, at work, at concerts, or on the go. Protect your hearing, monitor noisy environments, and finally understand the sound around you. Whether you are checking workplace noise, improving room acoustics, monitoring environmental noise pollution, or tuning audio systems, this app provides fast, reliable sound level measurements in dBA, dBC, and dBZ. WHAT MAKES IT GREAT - Trusted accuracy: pre-calibrated for iPhone and iPad, with built-in microphone calibration tools for improved precision - Real-time measurement: decibel (dB) readings update continuously, with A, C, and Z frequency weighting (dBA, dBC, dBZ) - Response modes: FAST, SLOW, and IMPULSE with real-time average (Leq) and peak detection - Spectrum Analyzer: real-time FFT, spectrogram, and octave-band visualization for audio analysis and acoustic tuning - Noise Dosimeter: daily noise exposure estimates based on NIOSH & OSHA standards - Long-term tracking: save measurement history with timestamps and review historical logs - Export & share: export detailed PDF reports and share results instantly - Accurate frequency detection for sound analysis, audio diagnostics, and equipment tuning - Beautiful, intuitive UI with digital and analog displays TECHNICAL SPECS - Measurement range: 30–130 dBA - Response time: SLOW (500 ms), FAST (200 ms), IMPULSE (50 ms) - MIC gain offset: -50 dB to +50 dB - Real-time current, average (Leq), and max values with digital & analog displays USE CASES Noise measurement, environmental noise monitoring, home cinema calibration, room acoustics, workplace safety, and audio testing. PRIVACY All audio processing is performed locally on your device. No recordings or sound data are uploaded or shared. NOTES - An average quiet room reads about 30 dBA; the 30–130 dBA range is the standard usable range. - For professional use, custom calibration with a reference device is recommended. - This app is for reference and educational purposes only. It is not a replacement for certified professional acoustic measurement equipment. Accuracy may vary depending on device hardware and microphone quality. SUBSCRIPTION TERMS Decibel Meter is free to download with core features included. A premium subscription unlocks advanced spectrum analysis, unlimited exports, and professional reporting tools. Payment will be charged to your Apple ID account upon confirmation. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. You can manage or cancel subscriptions in your Apple ID settings at any time. No refunds for unused subscription periods. LEGAL Terms of Use: https://seeyastech.com/terms Privacy Policy: https://seeyastech.com/privacy Support: info@seeyastech.com ## Key features - Real-time decibel measurement - A, C, and Z frequency weighting - FAST, SLOW, and IMPULSE response modes - Spectrum Analyzer with FFT and spectrogram - Noise Dosimeter for daily exposure estimates - Long-term tracking and history logs - Exportable PDF reports ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Annual Premium | $49.99 | per year | | Weekly Premium | $9.99 | per 7 days | | Weekly Premium Discount | $2.99 | per 7 days | | Monthly Premium | $9.99 | per month | ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/decibel-meter-noise-meter-db/id6767143529/reviews.md ### 2/5 — Forced trial of premium service *2026-09-16* Forces a temporary trial then paid subscription for premium services; does not allow an opt-out. ## Frequently asked questions about Decibel Meter ### What is Decibel Meter used for? Decibel Meter turns your iPhone into a sound level meter to measure ambient noise, monitor workplace safety, improve room acoustics, and tune audio systems. It provides real-time dB readings and detailed audio analysis. ### How accurate is Decibel Meter? Decibel Meter is pre-calibrated for iPhone and iPad and includes microphone calibration tools for improved precision. For professional use, custom calibration with a reference device is recommended, as accuracy can vary based on device hardware. ### Does Decibel Meter have ads? No, Decibel Meter does not contain advertisements. The app is free to download with core features, and a premium subscription unlocks advanced functionalities. ### What are the subscription options for Decibel Meter? Decibel Meter offers several premium subscription plans, including weekly, monthly, and annual options, with free trial periods ranging from 3 to 7 days. These subscriptions unlock advanced spectrum analysis and professional reporting tools. ### Can I cancel my Decibel Meter subscription? Yes, you can manage or cancel your Decibel Meter subscription at any time through your Apple ID settings. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. ### What devices does Decibel Meter support? Decibel Meter is available for iPhone and iPod. It is designed for iOS devices and utilizes their built-in microphones for sound measurement. ### How often is Decibel Meter updated? The latest version of Decibel Meter is 1.5, which was last updated on September 11, 2026. Updates typically include new features, performance improvements, and bug fixes. ### Is Decibel Meter suitable for children? Decibel Meter has an age rating of 4+, making it suitable for younger users. The app's utility focuses on sound measurement and analysis, which can be educational. ## Version history (last 5 releases) ### 1.5 — 2026-09-11 Performance improvements and bug fixes for a smoother sound measurement experience. ### 1.4 — 2026-07-02 Bug fixes and performance improvements ### 1.3 — 2026-06-25 Performance improvements and bug fixes for a smoother sound measurement experience. ### 1.2 — 2026-06-16 Bug fixes and performance improvements. ### 1.1 — 2026-06-11 Bug fixes and performance improvements. ## Apps similar to Decibel Meter | App | Rating | Price | Category | | --- | --- | --- | --- | | [dB Decibel Meter - Noise Level](https://appshunter.io/ios/app/db-decibel-meter-noise-level/id6778630195) | 4.3 (67) | Free | Utilities | | [Decibels: Sound Level dB Meter](https://appshunter.io/ios/app/decibels-sound-level-db-meter/id1590741461) | 4.3 (22) | Free | Utilities | | [Sound Level: dB Decibel Meter](https://appshunter.io/ios/app/sound-level-db-decibel-meter/id6757183442) | 4.3 (20) | Free | Utilities | | [i Sound Level Meter](https://appshunter.io/ios/app/i-sound-level-meter/id912170360) | 4.4 (37) | Free | Utilities | | [Decibel Meter: dB Sound Meters](https://appshunter.io/ios/app/decibel-meter-db-sound-meters/id6748340811) | 4.5 (54) | Free | Utilities | | [Sound Meter (Decibel)](https://appshunter.io/ios/app/sound-meter-decibel/id1626613141) | 4.5 (3,079) | Free | Utilities | ## More apps by SEEYAS LIMITED - [Radio FM – Live Radio Stations](https://appshunter.io/ios/app/radio-fm-live-radio-stations/id6763191514) - [Bubble Level & Angle Finder](https://appshunter.io/ios/app/bubble-level-and-angle-finder/id6790354302) All apps by SEEYAS LIMITED: https://appshunter.io/developer/1895208045 ## Related topics [decibel meter audio](https://appshunter.io/ios/topics/decibel-meter-audio) · [noise level meter school](https://appshunter.io/ios/topics/noise-level-meter-school) · [noise meter teacher](https://appshunter.io/ios/topics/noise-meter-teacher) · [7meter](https://appshunter.io/ios/topics/7meter) · [hertz meter sound](https://appshunter.io/ios/topics/hertz-meter-sound) · [free noise app analyzer](https://appshunter.io/ios/topics/free-noise-app-analyzer) · [measure decibels noise](https://appshunter.io/ios/topics/measure-decibels-noise) · [sound meter digital](https://appshunter.io/ios/topics/sound-meter-digital) · [decibel meter baby](https://appshunter.io/ios/topics/decibel-meter-baby) · [decibel meter osha](https://appshunter.io/ios/topics/decibel-meter-osha) · [noise meter level](https://appshunter.io/ios/topics/noise-meter-level) · [athmer schallapp](https://appshunter.io/ios/topics/athmer-schallapp) · [octave noise](https://appshunter.io/ios/topics/octave-noise) · [noise tracker](https://appshunter.io/ios/topics/noise-tracker) · [analog rack noise gate](https://appshunter.io/ios/topics/analog-rack-noise-gate) · [casella solutions](https://appshunter.io/ios/topics/casella-solutions) · [sound meter environment](https://appshunter.io/ios/topics/sound-meter-environment) · [sound level noise](https://appshunter.io/ios/topics/sound-level-noise) · [niosh sound level meter](https://appshunter.io/ios/topics/niosh-sound-level-meter) · [noise meter sound](https://appshunter.io/ios/topics/noise-meter-sound) --- *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 2026-09-23.*