HowLoud – Decibel Meter

Sound Level · dB · Noise Check

Only for iPhone

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

iPhone

Measure everyday noise with a clean, fast decibel meter built for real-life use. HowLoud helps you check sound levels around you in seconds: at home, at work, on the street, during renovations, with neighbors, appliances, traffic, music, or events. The app shows live A-weighted sound levels, saves sessions, and turns important measurements into clear PDF reports you can keep or share. Use it when you want to: check how loud an environment feels document repeated noise problems compare different places, rooms, or devices save a measurement with time, stats, and location export a professional-looking PDF report Features: Live sound level meter A-weighted measurements Min, max, average, and Leq stats Session history saved on device Measurement notes Location attached to saved reports A4 PDF export with chart, stats, and map One-time Premium unlock No account required Premium unlock includes: PDF report export Extended history for up to 90 days Privacy-first by design: No sign-up No cloud account No tracking-based experience Your measurements stay on your device Important: HowLoud is designed for personal measurement, documentation, and awareness. It is not a certified Class 1 or Class 2 sound level meter and should not be used where legally certified measurements are required.

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Improved language support Minor fixes

Version 1.2

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
    • 1.5 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 Russian
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    • © HowLoud-Decibel Meter
  • Developer Website
  • Privacy Policy

    • More by Nadzeya Yashchuk