SoundMeter: Decibel dB

iOS app by MOBILE ALCHEMY LTD. Utilities · MOBILE ALCHEMY LTD

Store rating
0 / 5
Store rating count
0
Download price
Free to download
In-app purchases
Unknown
Version
1.0
Listing last refreshed
2026-09-10

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Store description excerpt

Measure sound levels with professional-grade accuracy. SoundMeter turns your iPhone into a powerful decibel meter with real-time dB readings, spectrum analysis, and session recording. REAL-TIME SOUND MEASUREMENT - Instant decibel (dB) readings with A, C, and Z frequency weighting - Fast and slow time weighting for different measurement needs - Live min, max, average, and peak level tracking - Color-coded safety categories based on NIOSH exposure guidelines VISUAL SOUND ANALYSIS - Beautiful arc gauge with smooth animated needle - Scrolling timeline graph showing sound levels over time - Color gradient from safe green through warning orange to danger red - Sound level reference chart comparing to everyday sounds SESSION RECORDING & HISTORY - Record measurement sessions with one tap - Review past recordings with full statistics - Timeline graph replay of recorded sessions - Organized history with date, duration, and average level PRO FEATURES (One-Time Purchase) - Spectrum Analyzer: 32-band FFT frequency visualization - Unlimited session history (free tier: 3 recordings) - CSV data export for professional reports - Calibration profiles for different environments - Threshold alerts with haptic feedback SOUND REFERENCE GUIDE - Compare your readings to common sounds (whisper to jet engine) - NIOSH safe exposure time recommendations - Understand noise risk levels for hearing protection PERFECT FOR - Workplace noise assessment and OSHA compliance - Environmental noise monitoring - Music and event sound level checking - Hearing health awareness - Classroom and office noise management - Construction site safety monitoring Built with professional audio engineering principles including IEC 61672 frequency weighting standards. While not a replacement for calibrated professional equipment, SoundMeter provides reliable relative measurements for everyday noise awareness and safety.

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