HowLoud – Decibel Meter

Quick Noise Measurement &

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

Measure sound levels instantly. Save sessions, compare noise patterns, and export professional PDF reports—all on your device, no account needed. HowLoud is a straightforward decibel meter for measuring ambient sound levels around you—at home, work, outdoors, events, or anywhere you want to understand how loud your environment is. Why use HowLoud? • Quick noise checks in seconds • Live A-weighted sound measurement • Compare noise across different locations and times • Document sound patterns with notes and timestamps • Export clear, detailed PDF reports with charts and statistics • Keep all measurements private on your device Key Features: • Live sound level meter with real-time readings • A-weighted decibel measurements • Statistics: minimum, maximum, average, and Leq values • Session history saved locally on your device • Add notes to measurements for context • Optional location tagging for reports • Professional A4 PDF export with visual charts and measurement stats • Easy noise reference scale (Safe, Moderate, Risk zones) • No ads, no subscriptions, no tracking • One-time Premium unlock for PDF reports and 90-day history Use Cases: Check noise levels during home renovations or appliance operation Document recurring neighbor or traffic noise Compare sound environments at different locations Track noise patterns over time Share measurement reports with others Privacy First: • No sign-up required • No cloud storage or accounts • Your measurements stay on your device • No tracking or data collection Important Note: HowLoud is designed for personal awareness and documentation. It is not a certified Class 1 or Class 2 sound level meter and should not be used where legally certified measurements are required. Phone microphones vary by device and may affect consistency. Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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Tuned the sound engine under the hood — same accurate readings, now lighter on your battery.

Version 1.4

The developer, Nadzeya Yashchuk, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    Nadzeya Yashchuk
    Size
    1.7 MB
    Category
    Utilities
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English and 9 more
    • English, French, German, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish, Turkish
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    © HowLoud-Decibel Meter
  • Developer Website
  • Privacy Policy

    • More by Nadzeya Yashchuk

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