# Decibel Meter: dB Sound Level — Frequency Noise Level Analyzer > iPhone sound level meter with frequency analysis and exposure tracking. (iPhone/iPad app by ULADZISLAU ZINCHANKA.) - Source: https://appshunter.io/ios/app/decibel-meter-db-sound-level/id6756241739 (this page in markdown: same URL + `.md`) - Developer: [ULADZISLAU ZINCHANKA](https://appshunter.io/developer/1808742027) - Category: Utilities, Music - Price: Free with in-app purchases - Rating: 5.00/5 from 2 App Store ratings - Age rating: 4+ - Requires: iOS 15.1 · 47 MB - Languages: American English - Released: 2025-12-23 - Data updated: 2026-07-30 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/decibel-meter-db-sound-level/id6756241739/reviews.md ## What is Decibel Meter? Transform your iPhone into a professional-grade sound level meter with "Decibel Meter: dB Sound Level". Whether you're monitoring workplace noise exposure, protecting your hearing, ensuring baby safety, or conducting acoustic analysis, this app delivers accurate, real-time decibel measurements with industry-standard compliance. PROFESSIONAL-GRADE MEASUREMENT Measure sound levels with precision using multiple frequency weightings (dBA, dBC, dBZ) and time response settings. Our app complies with NIOSH and OSHA standards, making it perfect for occupational health and safety professionals, audiologists, and anyone who needs reliable noise monitoring. KEY FEATURES • Multiple Measurement Modes - dBA: A-weighted, matches human hearing sensitivity - dBC: C-weighted, includes low frequencies - dBZ: Z-weighted, flat/unweighted response - NIOSH Mode: 85 dB limit with 3 dB exchange rate - OSHA Mode: 90 dB limit with 5 dB exchange rate - Baby Safety Mode: 60 dB limit, safe for infants • Real-Time Monitoring - Live decibel readings with circular gauge display - Min, Max, and Average statistics - Color-coded visual feedback - Reference labels for common sound levels • Advanced Frequency Analysis - Frequency spectrum analyzer with bar and line charts - Octave band analysis (1/1, 1/2, 1/3 octave bands) - Visual representation of sound across frequency ranges - Expandable full-screen chart view • Time Response Settings - Fast (125ms): Quick response to changes - Slow (1000ms): Smooth, averaged response - Impulse (35ms): Captures brief sounds - 3s (3000ms): Very smooth, long-term average • Exposure Tracking (Dosimeter) - Track noise exposure over time - Calculate dose percentage - Projected 8-hour exposure - Time to limit warnings - NIOSH and OSHA compliance • Audio Recording & Analysis - Record audio with synchronized decibel data - Organize recordings with timestamps - Playback recordings with visual analysis - Export detailed PDF reports (Premium) • Customizable Alarms - Set custom decibel thresholds - Visual and haptic alerts - Real-time threshold monitoring • Professional PDF Reports - Generate comprehensive reports for recordings - Include graphs, statistics, and exposure data - Share via email, messages, or save to Files - Perfect for workplace documentation • Modern Dark Interface - Beautiful, easy-to-read dark theme - Intuitive navigation - Smooth animations and transitions PERFECT FOR - Workplace safety professionals monitoring noise exposure - Parents ensuring safe sound levels for babies - Musicians and audio engineers analyzing sound - Health-conscious individuals protecting their hearing - Industrial workers tracking occupational noise - Anyone who wants to understand their acoustic environment PREMIUM FEATURES Upgrade to unlock advanced capabilities: - Line chart visualization - Advanced frequency analysis - Unlimited audio recordings - Professional PDF report generation - NIOSH, OSHA, and Baby Safety modes - Custom alarm thresholds Download "Decibel Meter: dB Sound Level" today and take control of your acoustic environment. Protect your hearing, ensure safety compliance, and make informed decisions about noise exposure. Premium subscription is available as an in-app purchase for additional features. Terms of Use: https://mpc-app-c2e7a.web.app/decibel-terms.html Privacy Policy: https://mpc-app-c2e7a.web.app/decibel-privacy.html ## Key features - Professional-grade decibel measurement - Multiple frequency weightings (dBA, dBC, dBZ) - NIOSH and OSHA compliance modes - Real-time monitoring with statistics - Frequency spectrum analysis - Noise exposure tracking (dosimeter) - Audio recording with synchronized data ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Premium Weekly | $8.99 | per 7 days | | Premium Yearly | $39.99 | per year | ## Frequently asked questions about Decibel Meter ### What is Decibel Meter: dB Sound Level used for? Decibel Meter: dB Sound Level transforms your iPhone into a professional sound level meter. It's ideal for monitoring workplace noise, ensuring baby safety, conducting acoustic analysis, and protecting hearing by providing accurate, real-time decibel measurements. ### Does Decibel Meter: dB Sound Level have ads? No, this application does not contain advertisements. It offers a free version with core features and a premium upgrade for advanced capabilities. ### What measurement modes does Decibel Meter: dB Sound Level offer? The app supports multiple measurement modes including dBA (human hearing sensitivity), dBC (includes low frequencies), dBZ (flat response), NIOSH Mode, OSHA Mode, and a dedicated Baby Safety Mode. ### Can I record audio with Decibel Meter: dB Sound Level? Yes, you can record audio with synchronized decibel data. This feature allows you to organize recordings with timestamps, playback with visual analysis, and export detailed PDF reports (available in premium). ### What are the premium features of Decibel Meter: dB Sound Level? The premium version unlocks advanced capabilities such as line chart visualization, advanced frequency analysis, unlimited audio recordings, and professional PDF report generation. ### What devices is Decibel Meter: dB Sound Level compatible with? Decibel Meter: dB Sound Level is compatible with iPhone and iPod devices. It is suitable for users aged 4 and older. ### How often is Decibel Meter: dB Sound Level updated? The app was last updated on June 8, 2026, indicating regular maintenance and potential feature additions. The latest version is 1.4.0. ### What are the subscription options for Decibel Meter: dB Sound Level? Decibel Meter: dB Sound Level offers a Premium Weekly plan at $8.99/P7D with a 3-day free trial, and a Premium Yearly plan at $39.99/P1Y. ## Version history (last 5 releases) ### 1.5.0 — 2026-07-25 This version of "Decibel Meter: dB Sound Level" includes bug fixes and UI updates ### 1.4.0 — 2026-06-08 This version of "Decibel Meter: dB Level" includes bug fixes and UI updates ### 1.3.0 — 2026-03-30 This version of "Decibel Meter: dB Level" includes bug fixes and UI updates ### 1.2.0 — 2026-02-19 This version of "Decibel Meter: dB Level" includes bug fixes and UI updates ### 1.1.0 — 2026-01-16 This version of Decibel Meter: dB Sound Level includes bug fixes and UI updates ## More apps by ULADZISLAU ZINCHANKA - [Book Quote Scanner](https://appshunter.io/ios/app/book-quote-scanner/id6744657207) - [Beat Maker Pads: Musik machen](https://appshunter.io/ios/app/beat-maker-pads-musik-machen/id6747011858) - [Metronome Pro - Tempo BPM](https://appshunter.io/ios/app/metronome-pro-tempo-bpm/id6755417459) - [Reverse Audio - Record Singing](https://appshunter.io/ios/app/reverse-audio-record-singing/id6755526586) - [Soundboard - Audio Buttons](https://appshunter.io/ios/app/soundboard-audio-buttons/id6755937474) All apps by ULADZISLAU ZINCHANKA: https://appshunter.io/developer/1808742027 --- *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 2026-07-30.*