dB Meter - Real-Time Noise

Real-time Sound Level Meter

Only for iPhone

$0.99 · Designed for iPhone. Not verified for macOS.

iPhone

Real-time noise monitoring — protect your hearing and peace of mind. Turn your iPhone into a professional noise meter! Noise Check measures real-time sound levels in decibels (dB) — from the whisper of a library to the roar of a concert. Whether you're checking workplace safety, testing acoustic environments, or just curious about the noise around you, Noise Check has you covered. KEY FEATURES • Real-Time dB Meter — Smooth, responsive semi-circle gauge shows live sound levels with color-coded zones: green (quiet), yellow (moderate), orange (loud), red (very loud) • Peak Tracking — Automatically tracks and displays peak noise levels for easy reference • Smart Recording — Recordings are auto-saved when you pause, keeping only meaningful sessions (3 seconds minimum) • History Log — Review all past measurements with exact duration and peak dB values • Playback — Play back any saved recording directly in the app • Clean & Ad-Free — No ads, no clutter. Just the data you need. PERFECT FOR • Checking noise levels at work, home, or events • Evaluating room acoustics or sound insulation • Monitoring environmental noise pollution • Musicians, audio engineers, and curious minds Simple. Accurate. Always ready.

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New screenshots.

Version 1.1

The developer, 浩东 许, 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
    浩东 许
    Size
    19.5 MB
    Category
    Utilities
    Compatibility
    Requires iOS 13.0 or later.
    • iPhone
      Requires iOS 13.0 or later.
    • iPod touch
      Requires iOS 13.0 or later.
    • Mac
      Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English and 8 more
    • English, Arabic, French, German, Japanese, Korean, Simplified Chinese, Spanish, Traditional Chinese
    Age Rating
    4+
    Copyright
    © 2025 Rudy Xu
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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